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leveldb: Use native Darwin memory barriers

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theuni 2013-11-25 19:24:23 -05:00 committed by Warren Togami
parent 8f16782290
commit cb75107c7d
1 changed files with 8 additions and 8 deletions
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14
src/leveldb/port/atomic_pointer.h
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@ -50,6 +50,13 @@ namespace port {
// http://msdn.microsoft.com/en-us/library/ms684208(v=vs.85).aspx // http://msdn.microsoft.com/en-us/library/ms684208(v=vs.85).aspx
#define LEVELDB_HAVE_MEMORY_BARRIER #define LEVELDB_HAVE_MEMORY_BARRIER
// Mac OS
#elif defined(OS_MACOSX)
inline void MemoryBarrier() {
OSMemoryBarrier();
}
#define LEVELDB_HAVE_MEMORY_BARRIER
// Gcc on x86 // Gcc on x86
#elif defined(ARCH_CPU_X86_FAMILY) && defined(__GNUC__) #elif defined(ARCH_CPU_X86_FAMILY) && defined(__GNUC__)
inline void MemoryBarrier() { inline void MemoryBarrier() {
@ -68,13 +75,6 @@ inline void MemoryBarrier() {
} }
#define LEVELDB_HAVE_MEMORY_BARRIER #define LEVELDB_HAVE_MEMORY_BARRIER
// Mac OS
#elif defined(OS_MACOSX)
inline void MemoryBarrier() {
OSMemoryBarrier();
}
#define LEVELDB_HAVE_MEMORY_BARRIER
// ARM Linux // ARM Linux
#elif defined(ARCH_CPU_ARM_FAMILY) && defined(__linux__) #elif defined(ARCH_CPU_ARM_FAMILY) && defined(__linux__)
typedef void (*LinuxKernelMemoryBarrierFunc)(void); typedef void (*LinuxKernelMemoryBarrierFunc)(void);