iOS16.0 线程警告提示

[wangjie172767]

(NSRunLoop *)runLoop;
{
dispatch_group_wait(_waitGroup, DISPATCH_TIME_FOREVER);
return _runLoop;
}
pod集成，
xcode：14.0，iphone14pro，iOS16.0 ，SocketRocket (0.6.0)
警告提示：
Thread running at QOS_CLASS_USER_INTERACTIVE waiting on a lower QoS thread running at QOS_CLASS_DEFAULT. Investigate ways to avoid priority inversions

[Daemonson]

The same as #648

[jihengcong]

Have you solved this problem

[Wxm510846302]

//
// Copyright 2012 Square Inc.
// Portions Copyright (c) 2016-present, Facebook, Inc.
//
// All rights reserved.
//
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
//

#import "SRRunLoopThread.h"
#import <pthread.h>
@interface SRRunLoopThread ()
//{
// dispatch_group_t _waitGroup;
//}

@Property (nonatomic, strong, readwrite) NSRunLoop *runLoop;
@Property (assign, nonatomic) pthread_mutex_t lock;
@Property (assign, nonatomic) pthread_cond_t cond;
@EnD

@implementation SRRunLoopThread

• (void)dealloc {
  // 不用需要销毁
  pthread_mutex_destroy(&_lock);
  pthread_cond_destroy(&_cond);
  }

• (void)__initMutex:(pthread_mutex_t *)mutex {
  // #define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}}
  // self.mutex = PTHREAD_MUTEX_INITIALIZER;

  // 静态初始化方法，所以这里不能用这种方式初始化，用下面👇🏻方法初始化
  // 1.初始化属性
  pthread_mutexattr_t attr;
  pthread_mutexattr_init(&attr);
  /*

  • Mutex type attributes
    */
    // #define PTHREAD_MUTEX_NORMAL 0
    // #define PTHREAD_MUTEX_ERRORCHECK 1
    // #define PTHREAD_MUTEX_RECURSIVE 2
    // #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL

  // pthread_mutexattr_settype(&attr, NULL); 传空，默认 PTHREAD_MUTEX_DEFAULT
  pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);

  // 2.初始化锁
  pthread_mutex_init(mutex, &attr);

  // 3.销毁属性
  pthread_mutexattr_destroy(&attr);

  // 初始化条件
  pthread_cond_init(&_cond, NULL);

  pthread_mutex_lock(mutex);
  }

• (instancetype)sharedThread
  {
  static SRRunLoopThread *thread;
  static dispatch_once_t onceToken;
  dispatch_once(&onceToken, ^{
  thread = [[SRRunLoopThread alloc] init];
  thread.name = @"com.facebook.SocketRocket.NetworkThread";
  [thread start];
  });
  return thread;
  }

• (instancetype)init
  {
  self = [super init];
  if (self) {
  // _waitGroup = dispatch_group_create();
  // dispatch_group_enter(_waitGroup);
  [self __initMutex:&_lock];
  }
  return self;
  }

• (void)main
  {

  @autoreleasepool {
  _runLoop = [NSRunLoop currentRunLoop];
  // dispatch_group_leave(_waitGroup);
  // 激活一个等待该条件的线程
  pthread_cond_signal(&_cond);
  NSLog(@"2222");
  // Add an empty run loop source to prevent runloop from spinning.
  CFRunLoopSourceContext sourceCtx = {
  .version = 0,
  .info = NULL,
  .retain = NULL,
  .release = NULL,
  .copyDescription = NULL,
  .equal = NULL,
  .hash = NULL,
  .schedule = NULL,
  .cancel = NULL,
  .perform = NULL
  };
  CFRunLoopSourceRef source = CFRunLoopSourceCreate(NULL, 0, &sourceCtx);
  CFRunLoopAddSource(CFRunLoopGetCurrent(), source, kCFRunLoopDefaultMode);
  CFRelease(source);

    while ([_runLoop runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]]) {
        
    }
    assert(NO);
  

  }
  }

• (NSRunLoop *)runLoop;
  {
  // 等待条件（进入休眠，放开mutex锁；被唤醒后，会再次对mutex加锁）
  pthread_cond_wait(&_cond, &_lock);
  NSLog(@"1111");
  return _runLoop;
  }

@EnD