[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.385 by root, Wed Jul 20 01:04:03 2011 UTC vs.
Revision 1.386 by root, Wed Jul 20 01:04:20 2011 UTC

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497	#ifndef ECB_MEMORY_FENCE	497	#ifndef ECB_MEMORY_FENCE
498	#if ECB_GCC_VERSION(2,5)	498	#if ECB_GCC_VERSION(2,5)
499	#if __x86	499	#if __x86
500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")	500	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("lock; orb $0, -1(%%esp)" : : : "memory")
501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE	501	#define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE
502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE /* better be safe than sorry */	502	#define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE
503	#elif __amd64	503	#elif __amd64
504	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")	504	#define ECB_MEMORY_FENCE __asm__ __volatile__ ("mfence" : : : "memory")
505	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")	505	#define ECB_MEMORY_FENCE_ACQUIRE __asm__ __volatile__ ("lfence" : : : "memory")
506	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")	506	#define ECB_MEMORY_FENCE_RELEASE __asm__ __volatile__ ("sfence")
507	#endif	507	#endif

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