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Merge pull request #30 from edmonds/branches/fix_generic_atomicops_memory_models

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generic atomicops: promote Acquire_Store() and Release_Load() to use SEQ_CST fence
This commit is contained in:
xfxyjwf 2014-09-19 12:00:58 -07:00
commit 7d50120316
1 changed files with 2 additions and 2 deletions
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4
src/google/protobuf/stubs/atomicops_internals_generic_gcc.h
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@ -83,7 +83,7 @@ inline void MemoryBarrier() {
}
inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
__atomic_store_n(ptr, value, __ATOMIC_ACQUIRE);
__atomic_store_n(ptr, value, __ATOMIC_SEQ_CST);
}
inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
@ -99,7 +99,7 @@ inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
}
inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
return __atomic_load_n(ptr, __ATOMIC_RELEASE);
return __atomic_load_n(ptr, __ATOMIC_SEQ_CST);
}
#ifdef __LP64__