『腾讯后台开发』实习生技能要求

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        『腾讯后台开发』实习生技能要求
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                          <span class="profile_meta_value">推崇基础学习与原理理解，不谈大而空的架构与技术术语，分享接地气的服务器开发实战技巧与项目经验，实实在在分享可用于实际编码的编程知识。</span>
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                <em id="publish_time" class="rich_media_meta rich_media_meta_text">2018-05-24</em>





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                <blockquote style="box-sizing: border-box;margin-top: 1em;margin-bottom: 1em;padding: 15px 15px 15px 1rem;color: rgb(129, 145, 152);border-left- 6px;border-left-color: rgb(220, 230, 240);font-size: 0.9em;line-height: inherit;background: rgb(242, 247, 251);overflow: auto;word-wrap: normal;word-break: normal;white-space: normal;"><p style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;"><span style="color: inherit;font-size: inherit;">如题，应届生除了要良好地掌握算法和数据结构以外，以下一些技能点列表希望对大家有帮助，有兴趣的朋友可以参考这个针对性地补缺补差。文章列出的技能点有的要求熟悉，有的了解即可，注意技能点前面的修饰词。如果没有明确给出“熟悉”“了解”等字眼，要求均为熟悉。</span><br></p></blockquote><h3 style="box-sizing: border-box;margin-top: 1.5em;margin-right: 5px;margin-bottom: 2em;padding: 8px 15px;font-weight: bold;font-size: 1.3em;color: rgb(255, 255, 255);line-height: inherit;letter-spacing: 2px;background-image: linear-gradient(to right bottom, rgb(0, 188, 212), rgb(63, 81, 181));background-color: rgb(63, 81, 181);border-left: 10px solid rgb(51, 51, 51);border-radius: 5px;text-shadow: rgb(102, 102, 102) 1px 1px 1px;box-shadow: rgb(102, 102, 102) 1px 1px 2px;white-space: normal;"><span style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;">一、操作系统方面</span></h3><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">多线程相关与线程之间同步技术</p></li></ul><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟练使用（但不局限于）以下linux API</p><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">linux下的线程创建、等待、获取线程id</p><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_create</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_t *thread, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> pthread_attr_t *attr, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *(*start_routine</span>) (<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *</span>), <span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *arg)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_join</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_t thread, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> **retval</span>)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_t <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_self</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span></span>)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">常见线程之间的同步技术（何时该用那种技术）</p><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">互斥体</p><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_init</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *mutex, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutexattr_t</span> *mutexattr)</span></span>; &nbsp;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_destroy</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *mutex)</span></span>; &nbsp;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_lock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *mutex)</span></span>; &nbsp;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">4</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_trylock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *mutex)</span></span>; &nbsp;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">5</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_unlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *mutex)</span></span>; <br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">信号量</p><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_init</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_t</span> *sem, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> pshared, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">unsigned</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> value)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_destroy</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_t</span> *sem)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_wait</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_t</span> *sem)</span></span>; <br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">4</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_post</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_t</span> *sem)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">5</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_getvalue</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">sem_t</span> *sem, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> *valp)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">条件变量</p><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_init</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> cond, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_condattr_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> attr)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_destroy</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *cond)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_signal</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *cond)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">4</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_broadcast</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *cond)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">5</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_wait</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> cond, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> mutex)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">6</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_timedwait</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_cond_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> cond, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_mutex_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> mutex, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct timespec *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> abstime)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">读写/自旋锁</p><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_init</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> rwlock, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlockattr_t</span> *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">restrict</span> attr)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_destroy</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_rdlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 4</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_tryrdlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 5</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_wrlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 6</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_trywrlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 7</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_unlock</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 8</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(128, 128, 128);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">//这两个函数在Linux和Mac的man文档里都没有，新版的pthread.h里面也没有，旧版的能找到</span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 9</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_timedrdlock_np</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct timespec *deltatime)</span></span>; &nbsp;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">10</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_timedwrlock_np</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_rwlock_t</span> *rwlock, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct timespec *deltatime)</span></span>; <br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">11</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_spin_init</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">__pthread_spinlock_t</span> *__lock, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> __pshared)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">12</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_spin_destroy</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">__pthread_spinlock_t</span> *__lock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">13</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_spin_trylock</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">__pthread_spinlock_t</span> *__lock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">14</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_spin_unlock</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">__pthread_spinlock_t</span> *__lock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">15</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">pthread_spin_lock</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">__pthread_spinlock_t</span> *__lock)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉守护进程的创建、原理</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解计划作业<strong>crontab</strong></p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉进程、线程状态查看命令（<strong>top</strong>、<strong>strace</strong>、<strong>pstack</strong>）</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉内存状态查看命令<strong>memstat</strong>、<strong>free</strong></p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉IO状态查看命令<strong>iostat</strong>、<strong>df</strong>、<strong>du</strong></p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解linux文件的权限、用户、时间（ctime、mtime、atime）、inode等文件基本属性，熟练使用<strong>chmod</strong>、<strong>chown</strong>、<strong>chgrp</strong>等基本命令。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉文件传输命令<strong>scp</strong>、<strong>rz</strong>、<strong>sz</strong>命令、</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉文件定位命令<strong>find</strong>、<strong>whereis</strong>命令。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉软链接，熟悉<strong>ln</strong>命令。<br></p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉lsof命令。</p></li></ul><h3 style="box-sizing: border-box;margin-top: 1.5em;margin-right: 5px;margin-bottom: 2em;padding: 8px 15px;font-weight: bold;font-size: 1.3em;color: rgb(255, 255, 255);line-height: inherit;letter-spacing: 2px;background-image: linear-gradient(to right bottom, rgb(0, 188, 212), rgb(63, 81, 181));background-color: rgb(63, 81, 181);border-left: 10px solid rgb(51, 51, 51);border-radius: 5px;text-shadow: rgb(102, 102, 102) 1px 1px 1px;box-shadow: rgb(102, 102, 102) 1px 1px 2px;white-space: normal;"><span style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;">二、网络</span></h3><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉tcp状态机（三次握手、四次挥手）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉<strong>tcpdump</strong>命令。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉网络状态和防火墙状态查看命令：netstat、ifconfig、iptables</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉socket API，包括但不限于（<strong>connect</strong>、<strong>accept</strong>、<strong>bind</strong>、<strong>listen</strong>、<strong>send</strong>/<strong>sendto</strong>、<strong>recv</strong>/<strong>recvfrom</strong>、<strong>select</strong>、<strong>gethostbyname</strong>）</p></li></ul><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">connect</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct sockaddr *addr, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">socklen_t</span> addrlen)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">accept</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, struct sockaddr *addr, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">socklen_t</span> *addrlen)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">bind</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> socket, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct sockaddr *address, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">socklen_t</span> address_len)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 4</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">listen</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> backlog)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 5</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">ssize_t</span> send(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *buf, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">size_t</span> len, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> flags);<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 6</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">ssize_t</span> sendto(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *buf, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">size_t</span> len, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> flags, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> struct sockaddr *dest_addr, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">socklen_t</span> addrlen);<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 7</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">ssize_t</span> recv(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *buf, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">size_t</span> len, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> flags);<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 8</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">ssize_t</span> recvfrom(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> sockfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> *buf, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">size_t</span> len, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> flags, struct sockaddr *src_addr, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">socklen_t</span> *addrlen);<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"> 9</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">select</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> nfds, fd_set *readfds, fd_set *writefds,<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">10</span> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;fd_set *exceptfds, struct timeval *timeout)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">11</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">FD_CLR</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> fd, fd_set *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">set</span>)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">12</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> &nbsp;<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">FD_ISSET</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> fd, fd_set *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">set</span>)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">13</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">FD_SET</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> fd, fd_set *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">set</span>)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">14</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">void</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">FD_ZERO</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(fd_set *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">set</span>)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">15</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">struct hostent *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">gethostbyname</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">const</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">char</span> *name)</span></span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉epoll，熟悉水平触发与边缘触发。</p></li></ul><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">epoll_create</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> size</span>)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">epoll_ctl</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> epfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> op, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> fd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">struct</span> epoll_event *<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">event</span></span>)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(165, 218, 45);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">epoll_wait</span>(<span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(255, 152, 35);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> epfd, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">struct</span> epoll_event *events, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> maxevents, <span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(248, 35, 117);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">int</span> timeout</span>)</span>;<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉阻塞socket和非阻塞socket在connect、send、recv等行为上的区别，<strong>如何将socket设置为非阻塞的</strong>。</p></li></ul><h3 style="box-sizing: border-box;margin-top: 1.5em;margin-right: 5px;margin-bottom: 2em;padding: 8px 15px;font-weight: bold;font-size: 1.3em;color: rgb(255, 255, 255);line-height: inherit;letter-spacing: 2px;background-image: linear-gradient(to right bottom, rgb(0, 188, 212), rgb(63, 81, 181));background-color: rgb(63, 81, 181);border-left: 10px solid rgb(51, 51, 51);border-radius: 5px;text-shadow: rgb(102, 102, 102) 1px 1px 1px;box-shadow: rgb(102, 102, 102) 1px 1px 2px;white-space: normal;"><span style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;">三、脚本工具</span></h3><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解shell基本语法、变量操作、函数、循环/条件判断等程序结构。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟练使用文本编辑工具vi/vim。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解使用文本处理命令grep、sed、cut。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解awk命令。</p></li></ul><h3 style="box-sizing: border-box;margin-top: 1.5em;margin-right: 5px;margin-bottom: 2em;padding: 8px 15px;font-weight: bold;font-size: 1.3em;color: rgb(255, 255, 255);line-height: inherit;letter-spacing: 2px;background-image: linear-gradient(to right bottom, rgb(0, 188, 212), rgb(63, 81, 181));background-color: rgb(63, 81, 181);border-left: 10px solid rgb(51, 51, 51);border-radius: 5px;text-shadow: rgb(102, 102, 102) 1px 1px 1px;box-shadow: rgb(102, 102, 102) 1px 1px 2px;white-space: normal;"><span style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;">四、数据库</span></h3><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉数据表结构设计（三范式、字段属性）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">了解查询优化（索引的概念与创建、sql优化）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉常见的mysql API函数：</p></li></ul><pre style="box-sizing: border-box;margin-top: 0px;margin-bottom: 0px;padding: 0px;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;background-color: rgb(255, 255, 255);"><code class="" style="box-sizing: border-box;margin-right: 2px;margin-left: 2px;padding: 0.5em;font-size: 14px;color: rgb(169, 183, 198);line-height: 18px;border-radius: 0px;background: rgb(40, 43, 46);font-family: Consolas, Inconsolata, Courier, monospace;display: block;overflow-x: auto;letter-spacing: 0px;word-wrap: normal !important;word-break: normal !important;overflow-y: auto !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">1</span><span class="" style="box-sizing: border-box;font-size: inherit;color: rgb(238, 220, 112);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">mysql_real_connect</span><br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">2</span>mysql_select_db<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">3</span>mysql_query<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">4</span>mysql_store_result<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">5</span>mysql_free_result<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">6</span>mysql_num_rows<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">7</span>mysql_close<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"><span class="" style="box-sizing: border-box;padding-right: 20px;font-size: inherit;color: rgb(174, 135, 250);line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;">8</span>mysql_errno<br style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;word-wrap: inherit !important;word-break: inherit !important;"></code></pre><h3 style="box-sizing: border-box;margin-top: 1.5em;margin-right: 5px;margin-bottom: 2em;padding: 8px 15px;font-weight: bold;font-size: 1.3em;color: rgb(255, 255, 255);line-height: inherit;letter-spacing: 2px;background-image: linear-gradient(to right bottom, rgb(0, 188, 212), rgb(63, 81, 181));background-color: rgb(63, 81, 181);border-left: 10px solid rgb(51, 51, 51);border-radius: 5px;text-shadow: rgb(102, 102, 102) 1px 1px 1px;box-shadow: rgb(102, 102, 102) 1px 1px 2px;white-space: normal;"><span style="box-sizing: border-box;font-size: inherit;color: inherit;line-height: inherit;">五、编程语言</span></h3><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">C/C++方面</p><ul class="list-paddingleft-2" style="list-style-type: square;"><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉内存分布（堆、栈、静态/全局/局部变量、虚指针…）</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉Makefile。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉gdb调试（断点、查看内存、执行跟踪、了解CPU主要寄存器作用…）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉性能分析工具(gprof)。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉C-Runtime常用函数（如字符串格式化函数printf、scanf，字符串比较连接函数、内存分配函数、文件与目录操作函数等）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉stl库。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉OO思想、常见设计模式（如单例模式、工厂设计模式、装饰者模式、Builder模式、生产者消费者模式、策略模式等）。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">熟悉RAII、pimpl惯用法。</p></li><li><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);">有一定的代码质量和重构能力。</p></li></ul><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);"><br></p><p style="box-sizing: border-box;margin-top: 1.5em;margin-bottom: 1.5em;font-size: 16px;color: rgb(62, 62, 62);line-height: inherit;white-space: normal;background-color: rgb(255, 255, 255);"><strong style="color: rgb(255, 41, 65);font-size: 16px;white-space: normal;background-color: rgb(255, 255, 255);">文章版权所有，转载请保留文章末尾版权信息和<strong style="font-size: 16px;white-space: normal;background-color: rgb(255, 255, 255);color: rgb(255, 41, 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