//需要捕获的signal
static int s_fatal_signals[] = {
    SIGABRT,
    SIGBUS,
    SIGFPE,
    SIGILL,
    SIGSEGV,
    SIGTRAP,
    SIGTERM,
    SIGKILL
};

static int s_fatal_signal_num = sizeof(s_fatal_signals)/sizeof(s_fatal_signals[0]);

void UncaughtExceptionHandler(NSException *exception) {
    NSArray *arr = [exception callStackSymbols];//得到当前调用栈信息
    NSString *reason = [exception reason];//非常重要，就是崩溃的原因
    NSString *name = [exception name];//异常类型
}

void SignalHandler(int code) {
    NSLog(@"signal handler = %d",code);
}

void InitCrashReport() {
    // 1 linux错误信号捕获
    for (int i = 0; i < s_fatal_signal_num; ++i) {
        signal(s_fatal_signals[i], SignalHandler);
    }
    // 2 objective-c未捕获异常的捕获
    NSSetUncaughtExceptionHandler(&UncaughtExceptionHandler);
}

int main(int argc, char * argv[]) {
    @autoreleasepool {
        InitCrashReport();
        return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
    }
}

#import <CrashReporter/CrashReporter.h>
#import <CrashReporter/PLCrashReportTextFormatter.h>

PLCrashReporter *crashReporter = [PLCrashReporter sharedReporter];
NSError *error;
// Check if we previously crashed
if ([crashReporter hasPendingCrashReport]) {
	[self handleCrashReport];
}
// Enable the Crash Reporter
if (![crashReporter enableCrashReporterAndReturnError: &error]) {
	NSLog(@"Warning: Could not enable crash reporter: %@", error);
}

- (void)handleCrashReport {
    PLCrashReporter *crashReporter = [PLCrashReporter sharedReporter];
    NSData *crashData;
    NSError *error;
    
    // Try loading the crash report
    crashData = [crashReporter loadPendingCrashReportDataAndReturnError:&error];
    if (crashData == nil) {
        NSLog(@"Could not load crash report: %@", error);
        [crashReporter purgePendingCrashReport];
        return;
    }
    
    // We could send the report from here, but we'll just print out some debugging info instead
    PLCrashReport *report = [[PLCrashReport alloc] initWithData:crashData error:&error];
    if (report == nil) {
        NSLog(@"Could not parse crash report");
        [crashReporter purgePendingCrashReport];
        return;
    }
    
    //TODO:send the report
    NSLog(@"Crashed on %@", report.systemInfo.timestamp);
    NSLog(@"Crashed with signal %@ (code %@, address=0x%" PRIx64 ")", report.signalInfo.name, report.signalInfo.code, report.signalInfo.address);
    NSString *humanReadText = [PLCrashReportTextFormatter stringValueForCrashReport:report withTextFormat:PLCrashReportTextFormatiOS];
    NSLog(@"Crashed Format Text %@", humanReadText);
    
    [crashReporter purgePendingCrashReport];
    return;
}