iOS crash 异常捕获

//

//  UncaughtExceptionHandler.m

//  UncaughtExceptions

//

//  Created by Matt Gallagher on 2010/05/25.

//  Copyright 2010 Matt Gallagher. All rights reserved.

//

//  Permission is given to use this source code file, free of charge, in any

//  project, commercial or otherwise, entirely at your risk, with the condition

//  that any redistribution (in part or whole) of source code must retain

//  this copyright and permission notice. Attribution in compiled projects is

//  appreciated but not required.

//

#import "YunUncaughtExceptionHandler.h"

#include <libkern/OSAtomic.h>

#include <execinfo.h>

NSString * const YunUncaughtExceptionHandlerSignalExceptionName = @"YunUncaughtExceptionHandlerSignalExceptionName";

NSString * const YunUncaughtExceptionHandlerSignalKey = @"YunUncaughtExceptionHandlerSignalKey";

NSString * const YunUncaughtExceptionHandlerAddressesKey = @"YunUncaughtExceptionHandlerAddressesKey";

volatile int32_t YunUncaughtExceptionCount = 0;

const int32_t YunUncaughtExceptionMaximum = 10;

const NSInteger YunUncaughtExceptionHandlerSkipAddressCount = 4;

const NSInteger YunUncaughtExceptionHandlerReportAddressCount = 5;

@implementation UncaughtExceptionHandler

+ (NSArray *)backtrace

{

void* callstack[128];

int frames = backtrace(callstack, 128);

char **strs = backtrace_symbols(callstack, frames);

 

int i;

NSMutableArray *backtrace = [NSMutableArray arrayWithCapacity:frames];

for (

i = YunUncaughtExceptionHandlerSkipAddressCount;

i < YunUncaughtExceptionHandlerSkipAddressCount +

YunUncaughtExceptionHandlerReportAddressCount;

i++)

{

[backtrace addObject:[NSString stringWithUTF8String:strs[i]]];

}

free(strs);

 

return backtrace;

}

- (void)alertView:(UIAlertView *)anAlertView clickedButtonAtIndex:(NSInteger)anIndex

{

    

if (anIndex == 0)

{

dismissed = YES;

}

}

- (void)validateAndSaveCriticalApplicationData

{

}

//错误日志开始发送到服务器

- (void)handleException:(NSException *)exception

{

[self validateAndSaveCriticalApplicationData];

// UIAlertView *alert =

// [[[UIAlertView alloc]

// initWithTitle:NSLocalizedString(@"Unhandled exception", nil)

// message:[NSString stringWithFormat:NSLocalizedString(

// @"You can try to continue but the application may be unstable. "

// @"Debug details follow: %@ %@", nil),

// [exception reason],

// [[exception userInfo] objectForKey:YunUncaughtExceptionHandlerAddressesKey]]

// delegate:self

// cancelButtonTitle:NSLocalizedString(@"Quit", nil)

// otherButtonTitles:NSLocalizedString(@"Continue", nil), nil]

// autorelease];

// [alert show];

    NSString *errorStr = [NSString stringWithFormat:NSLocalizedString(

                                                                      @"error info details follow:%@%@", nil),

                          [exception reason],

                          [[exception userInfo] objectForKey:YunUncaughtExceptionHandlerAddressesKey]]

    ;

    

    NSLog(@"errorStrerrorStr:%@",errorStr);

   // [[NSUserDefaults standardUserDefaults]setObject:errorStr forKey:my_ExceptionLog];

    if(errorStr)

    {

        [self sendErrorMsg];

    }

    //NSLog(@"error:%@",errorStr);

CFRunLoopRef runLoop = CFRunLoopGetCurrent();

CFArrayRef allModes = CFRunLoopCopyAllModes(runLoop);

while (!dismissed)

{

for (NSString *mode in (__bridge  NSArray *)allModes)

{

CFRunLoopRunInMode((__bridge CFStringRef)mode, 0.001, false);

}

}

CFRelease(allModes);

NSSetUncaughtExceptionHandler(NULL);

signal(SIGABRT, SIG_DFL);

signal(SIGILL, SIG_DFL);

signal(SIGSEGV, SIG_DFL);

signal(SIGFPE, SIG_DFL);

signal(SIGBUS, SIG_DFL);

signal(SIGPIPE, SIG_DFL);

if ([[exception name] isEqual:YunUncaughtExceptionHandlerSignalExceptionName])

{

kill(getpid(), [[[exception userInfo] objectForKey:YunUncaughtExceptionHandlerSignalKey] intValue]);

}

else

{

[exception raise];

}

}

-(void)sendErrorMsg

{

    NSLog(@"exceppppppp");

   // FetchQueue *fetchQueue = [[FetchQueue alloc]init];

//    [fetchQueue setGLDelegate:self.gldelegate];

    //[fetchQueue SendHTTpToGLServer:my_EXCEPT sendType:@"POST"];

}

@end

void HandleException(NSException *exception)

{

int32_t exceptionCount = OSAtomicIncrement32(&YunUncaughtExceptionCount);

if (exceptionCount > YunUncaughtExceptionMaximum)

{

return;

}

NSArray *callStack = [UncaughtExceptionHandler backtrace];

NSMutableDictionary *userInfo =

[NSMutableDictionary dictionaryWithDictionary:[exception userInfo]];

[userInfo

setObject:callStack

forKey:YunUncaughtExceptionHandlerAddressesKey];

[[[UncaughtExceptionHandler alloc] init]

performSelectorOnMainThread:@selector(handleException:)

withObject:

[NSException

exceptionWithName:[exception name]

reason:[exception reason]

userInfo:userInfo]

waitUntilDone:YES];

}

void SignalHandler(int signal)

{

int32_t exceptionCount = OSAtomicIncrement32(&YunUncaughtExceptionCount);

if (exceptionCount > YunUncaughtExceptionMaximum)

{

return;

}

NSMutableDictionary *userInfo =

[NSMutableDictionary

dictionaryWithObject:[NSNumber numberWithInt:signal]

forKey:YunUncaughtExceptionHandlerSignalKey];

NSArray *callStack = [UncaughtExceptionHandler backtrace];

[userInfo

setObject:callStack

forKey:YunUncaughtExceptionHandlerAddressesKey];

[[[UncaughtExceptionHandler alloc] init]

performSelectorOnMainThread:@selector(handleException:)

withObject:

[NSException

exceptionWithName:YunUncaughtExceptionHandlerSignalExceptionName

reason:

[NSString stringWithFormat:

NSLocalizedString(@"Signal %d was raised.", nil),

signal]

userInfo:

[NSDictionary

dictionaryWithObject:[NSNumber numberWithInt:signal]

forKey:YunUncaughtExceptionHandlerSignalKey]]

waitUntilDone:YES];

}

void YunInstallUncaughtExceptionHandler(void)

{

NSSetUncaughtExceptionHandler(&HandleException);

signal(SIGABRT, SignalHandler);

signal(SIGILL, SignalHandler);

signal(SIGSEGV, SignalHandler);

signal(SIGFPE, SignalHandler);

signal(SIGBUS, SignalHandler);

signal(SIGPIPE, SignalHandler);

}

.h文件

//

//  UncaughtExceptionHandler.h

//  UncaughtExceptions

//

//  Created by Matt Gallagher on 2010/05/25.

//  Copyright 2010 Matt Gallagher. All rights reserved.

//

//  Permission is given to use this source code file, free of charge, in any

//  project, commercial or otherwise, entirely at your risk, with the condition

//  that any redistribution (in part or whole) of source code must retain

//  this copyright and permission notice. Attribution in compiled projects is

//  appreciated but not required.

//

#import <UIKit/UIKit.h>

@interface UncaughtExceptionHandler : NSObject{

BOOL dismissed;

}

@end

void HandleException(NSException *exception);

void SignalHandler(int signal);

void YunInstallUncaughtExceptionHandler(void);