diff options
| author | Dmitry Vyukov <dvyukov@google.com> | 2016-06-27 11:14:59 +0000 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2016-06-27 11:14:59 +0000 |
| commit | 28f8c79bb4ff22e3eb60df80b9b51cba3e6872a5 (patch) | |
| tree | 42494e82e7b1d3539059b824c30f90ef3f0ccbc1 /lib/tsan/rtl/tsan_sync.cc | |
| parent | 1cf5ae0a3aa681b5c8c7fc32c6e9450913f62d6f (diff) | |
tsan: don't create sync objects on acquire
Creating sync objects on acquire is pointless:
acquire of a just created sync object if a no-op.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@273862 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/tsan/rtl/tsan_sync.cc')
| -rw-r--r-- | lib/tsan/rtl/tsan_sync.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/tsan/rtl/tsan_sync.cc b/lib/tsan/rtl/tsan_sync.cc index 50fe151a0..58b26802b 100644 --- a/lib/tsan/rtl/tsan_sync.cc +++ b/lib/tsan/rtl/tsan_sync.cc @@ -198,8 +198,8 @@ SyncVar* MetaMap::GetOrCreateAndLock(ThreadState *thr, uptr pc, return GetAndLock(thr, pc, addr, write_lock, true); } -SyncVar* MetaMap::GetIfExistsAndLock(uptr addr) { - return GetAndLock(0, 0, addr, true, false); +SyncVar* MetaMap::GetIfExistsAndLock(uptr addr, bool write_lock) { + return GetAndLock(0, 0, addr, write_lock, false); } SyncVar* MetaMap::GetAndLock(ThreadState *thr, uptr pc, |