diff options
Diffstat (limited to 'compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc')
-rw-r--r-- | compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc index 6c86b06656f..a07f6a2a0bb 100644 --- a/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc +++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_mutex.cc @@ -26,8 +26,12 @@ void MutexCreate(ThreadState *thr, uptr pc, uptr addr, CHECK_GT(thr->in_rtl, 0); DPrintf("#%d: MutexCreate %zx\n", thr->tid, addr); StatInc(thr, StatMutexCreate); - if (!linker_init && IsAppMem(addr)) + if (!linker_init && IsAppMem(addr)) { + CHECK(!thr->is_freeing); + thr->is_freeing = true; MemoryWrite(thr, pc, addr, kSizeLog1); + thr->is_freeing = false; + } SyncVar *s = ctx->synctab.GetOrCreateAndLock(thr, pc, addr, true); s->is_rw = rw; s->is_recursive = recursive; @@ -49,8 +53,12 @@ void MutexDestroy(ThreadState *thr, uptr pc, uptr addr) { SyncVar *s = ctx->synctab.GetAndRemove(thr, pc, addr); if (s == 0) return; - if (IsAppMem(addr)) + if (IsAppMem(addr)) { + CHECK(!thr->is_freeing); + thr->is_freeing = true; MemoryWrite(thr, pc, addr, kSizeLog1); + thr->is_freeing = false; + } if (flags()->report_destroy_locked && s->owner_tid != SyncVar::kInvalidTid && !s->is_broken) { |