iOS崩溃报告获取二

//
//  JKExceptionHandler.h
//  JKExceptionHandler
//
//  Created by Jack on 16/9/7.
//  Copyright © 2016年 mini1. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface JKExceptionHandler : NSObject
{
    BOOL dismissed;
}
@end


void HandleException(NSException *exception);
void SignalHandler(int signal);


void InstallUncaughtExceptionHandler(void);

//
//  JKExceptionHandler.m
//  JKExceptionHandler
//
//  Created by Jack on 16/9/7.
//  Copyright © 2016年 mini1. All rights reserved.
//

#import "JKExceptionHandler.h"
#import <UIKit/UIKit.h>
#import <libkern/OSAtomic.h>
#import <execinfo.h>

#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"

NSString * const UncaughtExceptionHandlerSignalExceptionName = @"UncaughtExceptionHandlerSignalExceptionName";
NSString * const UncaughtExceptionHandlerSignalKey = @"UncaughtExceptionHandlerSignalKey";
NSString * const UncaughtExceptionHandlerAddressesKey = @"UncaughtExceptionHandlerAddressesKey";

volatile int32_t UncaughtExceptionCount = 0;
const int32_t UncaughtExceptionMaximum = 10;

const NSInteger UncaughtExceptionHandlerSkipAddressCount = 4;
const NSInteger UncaughtExceptionHandlerReportAddressCount = 5;


@implementation JKExceptionHandler


+ (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 = UncaughtExceptionHandlerSkipAddressCount;
         i < UncaughtExceptionHandlerSkipAddressCount +
         UncaughtExceptionHandlerReportAddressCount;
         i++)
    {
        [backtrace addObject:[NSString stringWithUTF8String:strs[i]]];
    }
    free(strs);
    
    return backtrace;
}

- (void)alertView:(UIAlertView *)anAlertView clickedButtonAtIndex:(NSInteger)anIndex
{
    if (anIndex == 0)
    {
        dismissed = YES;
    }else if (anIndex==1) {
        NSLog(@"continue");
    }
}

- (void)validateAndSaveCriticalApplicationData
{
    
}

- (void)handleException:(NSException *)exception
{
    [self validateAndSaveCriticalApplicationData];
    
    UIAlertView *alert =
    
    [[UIAlertView alloc]
      initWithTitle:NSLocalizedString(@"抱歉，程序出现了异常", nil)
     message:[NSString stringWithFormat:NSLocalizedString(
                                                          @"如果点击继续，程序有可能会出现其他的问题，建议您还是点击退出按钮并重新打开\n\n"
                                                          @"异常原因如下:\n%@\n%@", nil),
              [exception reason],
              [[exception userInfo] objectForKey:UncaughtExceptionHandlerAddressesKey]]
      delegate:self
      cancelButtonTitle:NSLocalizedString(@"退出", nil)
      otherButtonTitles:NSLocalizedString(@"继续", nil), nil];
    [alert show];
    
    CFRunLoopRef runLoop = CFRunLoopGetCurrent();
    CFArrayRef allModes = CFRunLoopCopyAllModes(runLoop);
    
    while (!dismissed)
    {
        for (NSString *mode in (__bridge NSArray *)allModes)
        {
            CFRunLoopRunInMode((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:UncaughtExceptionHandlerSignalExceptionName])
    {
        kill(getpid(), [[[exception userInfo] objectForKey:UncaughtExceptionHandlerSignalKey] intValue]);
    }
    else
    {
        [exception raise];
    }  
}



@end


void HandleException(NSException *exception)
{
    int32_t exceptionCount = OSAtomicIncrement32(&UncaughtExceptionCount);
    if (exceptionCount > UncaughtExceptionMaximum)
    {
        return;
    }
    
    NSArray *callStack = [JKExceptionHandler backtrace];
    NSMutableDictionary *userInfo =
    [NSMutableDictionary dictionaryWithDictionary:[exception userInfo]];
    [userInfo
     setObject:callStack
     forKey:UncaughtExceptionHandlerAddressesKey];
    
    [[[JKExceptionHandler 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(&UncaughtExceptionCount);
    if (exceptionCount > UncaughtExceptionMaximum)
    {
        return;
    }
    
    NSMutableDictionary *userInfo =
    [NSMutableDictionary
     dictionaryWithObject:[NSNumber numberWithInt:signal]
     forKey:UncaughtExceptionHandlerSignalKey];
    
    NSArray *callStack = [JKExceptionHandler backtrace];
    [userInfo
     setObject:callStack
     forKey:UncaughtExceptionHandlerAddressesKey];
    
    [[[JKExceptionHandler alloc] init]
     performSelectorOnMainThread:@selector(handleException:)
     withObject:
     [NSException
      exceptionWithName:UncaughtExceptionHandlerSignalExceptionName
      reason:
      [NSString stringWithFormat:
       NSLocalizedString(@"Signal %d was raised.", nil),
       signal]
      userInfo:
      [NSDictionary
       dictionaryWithObject:[NSNumber numberWithInt:signal]
       forKey:UncaughtExceptionHandlerSignalKey]]
     waitUntilDone:YES];
}

void InstallUncaughtExceptionHandler(void)
{
    NSSetUncaughtExceptionHandler(&HandleException);
    signal(SIGABRT, SignalHandler);
    signal(SIGILL, SignalHandler);
    signal(SIGSEGV, SignalHandler);
    signal(SIGFPE, SignalHandler);
    signal(SIGBUS, SignalHandler);
    signal(SIGPIPE, SignalHandler);
}

#pragma clang diagnostic pop