Merge pull request #2239 from synqa/add-comment-unix-lock

Add comment for UnixLock

src/Mayaqua/Unix.c

@@ -1849,6 +1849,8 @@ void UnixUnlockEx(LOCK *lock, bool inner)
 }
 
 // Lock
+// Recursive locking is implemented manually instead of using PTHREAD_MUTEX_RECURSIVE.
+// See: https://github.com/SoftEtherVPN/SoftEtherVPN/pull/2219
 bool UnixLock(LOCK *lock)
 {
 	pthread_mutex_t *mutex;

tsan_suppressions.txt

@@ -17,6 +17,10 @@ race_top:BindConnectThreadForIPv4
 race_top:BindConnectThreadForIPv6
 race_top:BindConnectEx5
 
+# Thread Sanitizer reports data races on PoolHalting in THREAD, shared between ThreadPoolProc and WaitThread.
+# But if WaitThread reads false, synchronization is ensured by Wait from the PoolWaitList. If it reads true,
+# WaitThread simply returns.
+race_top:ThreadPoolProc
 
 ## Manual PTHREAD_MUTEX_RECURSIVE
 # The Lock/Unlock mechanism on Unix is a manual, hand-coded implementation of PTHREAD_MUTEX_RECURSIVE.