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* include/winnt.h (MemoryBarrier): Use __sync_synchronize instead of 

creating a function due to multiple definition.
This commit is contained in:
Earnie Boyd 2012-08-06 15:49:39 +00:00
parent b875960da7
commit 705d9e463c
2 changed files with 6 additions and 5 deletions
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5
winsup/w32api/ChangeLog
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@ -1,3 +1,8 @@
2012-08-06 Earnie Boyd <earnie@users.sourceforge.net>
* include/winnt.h (MemoryBarrier): Use __sync_synchronize instead of
creating a function due to multiple definition.
2012-08-04 Earnie Boyd <earnie@users.sourceforge.net> 2012-08-04 Earnie Boyd <earnie@users.sourceforge.net>
* include/winver.h (VerQueryValue[AW]): Correct declaration per MSDN. * include/winver.h (VerQueryValue[AW]): Correct declaration per MSDN.

6
winsup/w32api/include/winnt.h
View File

@ -4041,11 +4041,7 @@ struct _TEB * NtCurrentTeb(void);
# elif defined(_IA64_) # elif defined(_IA64_)
# define MemoryBarrier __mf # define MemoryBarrier __mf
# else # else
FORCEINLINE VOID MemoryBarrier (VOID) { # define MemoryBarrier __sync_synchronize
LONG Barrier = 0;
__asm__ __volatile__("xchgl %%eax,%0 "
:"=r" (Barrier));
}
# endif # endif
#else #else
# define MemoryBarrier # define MemoryBarrier