#include <iostream> #include <uuid/uuid.h> #include <ctime> #include <string> #include <sstream> #include <unistd.h> #include <fstream> #include <pthread.h> using namespace std; static char *uuidValue = (char *)malloc(40); static char *dtValue = (char *)malloc(20); char *getUuidValue1(); char *getTimeNow(); struct BookStruct { int BookId; string BookName; string BookTitle; }; char *getTimeNow() { time_t rawTime = time(NULL); struct tm tmInfo = *localtime(&rawTime); strftime(dtValue, 20, "%Y%m%d%H%M%S", &tmInfo); return dtValue; } char *getUuidValue1() { uuid_t newUUID; uuid_generate(newUUID); uuid_unparse(newUUID, uuidValue); return uuidValue; } void *printBookStruct(void *p); void mt12(); int main() { mt12(); return 0; } void mt12() { struct BookStruct arr[100]; for(int i=0;i<100;i++) { arr[i].BookId=i*i*i*i; arr[i].BookName=getUuidValue1(); arr[i].BookTitle=getUuidValue1(); } pthread_t tArr[100]; int res; for(int i=0;i<100;i++) { void *vp=&arr[i]; res=pthread_create(&tArr[i],NULL,&printBookStruct,vp); pthread_join(tArr[i],NULL); } cout<<"Finished in mt12() and now is "<<getTimeNow()<<endl; } void *printBookStruct(void *p) { struct BookStruct *sp=(struct BookStruct*)(p); if(sp!=nullptr) { cout<<"Id="<<sp->BookId<<",name="<<sp->BookName<<",title="<<sp->BookTitle<<endl; } return nullptr; }
Compile via g++
g++ -g -std=c++2a -I. h1.cpp -lpthread -o h1 -luuid
Run as ./h1