diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2012-12-18 14:44:44 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2012-12-18 14:44:44 +0000 |
| commit | 4554b7a7b345cd50ff8138b3cda8dd1135b965fa (patch) | |
| tree | 3ce1767ded333e8a6f07d2147f2eba085768077f /lib/tsan/rtl/tsan_sync.cc | |
| parent | 11edbbbbf96c11da65bb6e9a2dde303f4bdfde7d (diff) | |
tsan: intercept fork() to prevent false race reports on fd's
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@170433 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/tsan/rtl/tsan_sync.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_sync.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/tsan/rtl/tsan_sync.cc b/lib/tsan/rtl/tsan_sync.cc index 38ecc6e8c..895132546 100644 --- a/lib/tsan/rtl/tsan_sync.cc +++ b/lib/tsan/rtl/tsan_sync.cc @@ -60,6 +60,9 @@ SyncVar* SyncTab::GetIfExistsAndLock(uptr addr, bool write_lock) { SyncVar* SyncTab::GetAndLock(ThreadState *thr, uptr pc, uptr addr, bool write_lock, bool create) { #ifndef TSAN_GO + // Here we ask only PrimaryAllocator, because + // SecondaryAllocator::PointerIsMine() is slow and we have fallback on + // the hashmap anyway. if (PrimaryAllocator::PointerIsMine((void*)addr)) { MBlock *b = user_mblock(thr, (void*)addr); Lock l(&b->mtx); |