tsan: support linker init flag in __tsan_mutex_destroy

For a linker init mutex with lazy flag setup
(no __tsan_mutex_create call), it is possible that
no lock/unlock happened before the destroy call.
Then when destroy runs we still don't know that
it is a linker init mutex and will emulate a memory write.
This in turn can lead to false positives as the mutex
is in fact linker initialized.

Support linker init flag in destroy annotation to resolve this.



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@301795 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/tsan/rtl/tsan_rtl.h b/lib/tsan/rtl/tsan_rtl.h
index cc60eb6db..8bf1c191a 100644
--- a/lib/tsan/rtl/tsan_rtl.h
+++ b/lib/tsan/rtl/tsan_rtl.h
@@ -763,7 +763,7 @@ void ProcUnwire(Processor *proc, ThreadState *thr);
 // Note: the parameter is called flagz, because flags is already taken
 // by the global function that returns flags.
 void MutexCreate(ThreadState *thr, uptr pc, uptr addr, u32 flagz = 0);
-void MutexDestroy(ThreadState *thr, uptr pc, uptr addr);
+void MutexDestroy(ThreadState *thr, uptr pc, uptr addr, u32 flagz = 0);
 void MutexPreLock(ThreadState *thr, uptr pc, uptr addr, u32 flagz = 0);
 void MutexPostLock(ThreadState *thr, uptr pc, uptr addr, u32 flagz = 0,
     int rec = 1);