多线程锁等待，导致主线程等待并卡死的紧急Bug报告

[LuCaiOS]

多线程锁等待，导致主线程等待并卡死的紧急Bug报告

[LuCaiOS]

类似的问题还有一个上报
`1
libsystem_kernel.dylib
___psynch_mutexwait (in libsystem_kernel.dylib)

2
libsystem_pthread.dylib
__pthread_mutex_firstfit_lock_wait (in libsystem_pthread.dylib)

3
libsystem_pthread.dylib
__pthread_mutex_firstfit_lock_slow (in libsystem_pthread.dylib)

4
Foundation
-[NSRecursiveLock lock] (in Foundation)

5
pregnancy
-[KTVHCDataUnit lock] (in pregnancy:KTVHCDataUnit.m:338)

6
pregnancy
-[KTVHCDataUnit encodeWithCoder:] (in pregnancy:KTVHCDataUnit.m:60)

7
Foundation
__encodeObject (in Foundation)

8
Foundation
-[NSKeyedArchiver _encodeArrayOfObjects:forKey:] (in Foundation)

9
Foundation
-[NSArray(NSArray) encodeWithCoder:] (in Foundation)

10
Foundation
__encodeObject (in Foundation)

11
Foundation
+[NSKeyedArchiver archiveRootObject:toFile:] (in Foundation)

12
pregnancy
-[KTVHCDataUnitQueue archive] (in pregnancy:KTVHCDataUnitQueue.m:89)

13
pregnancy
-[KTVHCDataUnitPool archiveIfNeeded] (in pregnancy:KTVHCDataUnitPool.m:249)

14
CoreFoundation
_CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER (in CoreFoundation)

15
CoreFoundation
____CFXRegistrationPost_block_invoke (in CoreFoundation)

16
CoreFoundation
__CFXRegistrationPost (in CoreFoundation)

17
CoreFoundation
__CFXNotificationPost (in CoreFoundation)

18
Foundation
-[NSNotificationCenter postNotificationName:object:userInfo:] (in Foundation)

19
UIKitCore
___47-[UIApplication _applicationDidEnterBackground]_block_invoke (in UIKitCore)`