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This commit is contained in:
Marc Alexander Lehmann 2012-05-29 21:06:11 +00:00
parent 8de962fabd
commit 07e9fa67a8
1 changed files with 1 additions and 4 deletions
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ev.c
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@ -570,7 +570,7 @@ struct signalfd_siginfo
/* ECB_NO_SMP - ecb might be used in multiple threads, but only on a single cpu */
#if ECB_NO_THREADS
# define ECB_NO_SMP 1
#define ECB_NO_SMP 1
#endif
#if ECB_NO_SMP
@ -623,8 +623,6 @@ struct signalfd_siginfo
#define ECB_MEMORY_FENCE __c11_atomic_thread_fence (__ATOMIC_SEQ_CST)
#elif ECB_GCC_VERSION(4,4) || defined __INTEL_COMPILER || defined __clang__
#define ECB_MEMORY_FENCE __sync_synchronize ()
/*#define ECB_MEMORY_FENCE_ACQUIRE ({ char dummy = 0; __sync_lock_test_and_set (&dummy, 1); }) */
/*#define ECB_MEMORY_FENCE_RELEASE ({ char dummy = 1; __sync_lock_release (&dummy ); }) */
#elif _MSC_VER >= 1400 /* VC++ 2005 */
#pragma intrinsic(_ReadBarrier,_WriteBarrier,_ReadWriteBarrier)
#define ECB_MEMORY_FENCE _ReadWriteBarrier ()
@ -651,7 +649,6 @@ struct signalfd_siginfo
/* unfortunately, the C11 memory model seems to be very limited, and unable to express */
/* simple barrier semantics. That means we need to take out thor's hammer. */
#define ECB_MEMORY_FENCE atomic_thread_fence (memory_order_seq_cst)
#endif
#endif
#endif