iOS SIGKILL 信号量崩溃抓取以及优化实践

Exception Type:  EXC_CRASH (SIGKILL)Exception Codes: 0x0000000000000000, 0x0000000000000000Exception Note:  EXC_CORPSE_NOTIFYTermination Reason: Namespace RUNNINGBOARD, Code 0xdead10cc

if (@available(iOS 14.0, *)) {    MXMetricManager *manager = [MXMetricManager sharedManager];    if (self && manager && [manager respondsToSelector:@selector(addSubscriber:)]) {        [manager addSubscriber:self];    }} 

 // 用户如果有崩溃数据，注册监听之后就会回调- (void)didReceiveDiagnosticPayloads:(NSArray<MXDiagnosticPayload *> * _Nonnull)payloads  API_AVAILABLE(ios(14.0)){    if (@available(iOS 14.0, *)) {        for (MXDiagnosticPayload *payload in payloads) {                NSDictionary *payloadDic = [payload dictionaryRepresentation];            });        }    }}

NSArray *callStackRootFrames = [dicFrame  ArrayValueForKey:@"callStackRootFrames"];if (callStackRootFrames.count <= 0) {    continue;}NSDictionary *dicZero = [callStackRootFrames ObjectAtIndex:0];int rootIndex = 0;while (dicZero && dicZero.count > 0) {  //获取Image 的 UUID    NSString *binaryUUID = [dicZero   stringValueForKey:@"binaryUUID"];  //获取Image 的 名称    NSString *binaryName = [dicZero   stringValueForKey:@"binaryName"];  //获取Image 的加载地址    long long baseAdd = [[dicZero NumberValueForKey:@"offsetIntoBinaryTextSegment"] longLongValue];     //获取崩溃函数的地址    long long address = [[dicZero  numberValueForKey:@"address"] longLongValue];  //看上一层调用堆栈的    NSArray *subFrames = [dicZero  arrayValueForKey:@"subFrames"];    [strStack appendFormat:@"%d %@ 0x%llx 0x%llx + %lld\n", rootIndex, binaryName, baseAdd, address, address - model.baseAddress];    rootIndex++;    if (subFrames && subFrames.count >= 0) {        dicZero = [subFrames  ObjectAtIndex:0];    } else {        dicZero = nil;    }}

 - (void)getContentArray:(void (^)(NSArray *resultArray))completeBlock {  dispatch_barrier_async(self.readWriteQueue, ^{      if (completeBlock) {          NSArray *resultArray = [NSArray arrayWithArray:self.array];          completeBlock(resultArray);      }  });}

Thread 0 Crashed:0 libsystem_kernel.dylib  ___ulock_wait  (in libsystem_kernel.dylib)  81 libdispatch.dylib  __dlock_wait  (in libdispatch.dylib)  562 libdispatch.dylib  __dispatch_once_wait  (in libdispatch.dylib)  1203 BaiduBoxApp  +[xxxConfig sharedInstance]  (in BaiduBoxApp)  204 BaiduBoxApp  +[xxxConfig updateABConfig]  (in BaiduBoxApp)  05 BaiduBoxApp  -[xxxManager startOnce]  (in BaiduBoxApp)  20

Thread 33 :0 libsystem_kernel.dylib  ___ulock_wait  (in libsystem_kernel.dylib)  81 libdispatch.dylib  __dlock_wait  (in libdispatch.dylib)  562 libdispatch.dylib  __dispatch_thread_event_wait_slow  (in libdispatch.dylib)  563 libdispatch.dylib  ___DISPATCH_WAIT_FOR_QUEUE__  (in libdispatch.dylib)  3644 libdispatch.dylib  __dispatch_sync_f_slow  (in libdispatch.dylib)  144.........9 BaiduBoxApp  ___48+[xxxConfig sharedInstance]_block_invoke  (in BaiduBoxApp) 010 libdispatch.dylib  __dispatch_client_callout  (in libdispatch.dylib)  2011 libdispatch.dylib  __dispatch_once_callout  (in libdispatch.dylib)  3212 BaiduBoxApp  +[xxxConfig sharedInstance]  (in BaiduBoxApp)  20