0d963613b0
implementation of InterlockedCompareExchange for i686 in Mingw64 headers. * pinfo.cc (pinfo::init): Remove unused variable mapaddr.
36 lines
864 B
C
36 lines
864 B
C
/* winbase.h
|
|
|
|
Copyright 2002, 2003, 2004, 2008, 2009, 2012 Red Hat, Inc.
|
|
|
|
This software is a copyrighted work licensed under the terms of the
|
|
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
|
|
details. */
|
|
|
|
#include_next "winbase.h"
|
|
|
|
#ifndef _WINBASE2_H
|
|
#define _WINBASE2_H
|
|
|
|
#ifndef __x86_64__
|
|
extern __inline__ LONG
|
|
ilockcmpexch (volatile LONG *t, LONG v, LONG c)
|
|
{
|
|
return
|
|
({
|
|
register LONG ret __asm ("%eax");
|
|
__asm __volatile ("lock cmpxchgl %2, %1"
|
|
: "=a" (ret), "=m" (*t)
|
|
: "r" (v), "m" (*t), "0" (c)
|
|
: "memory");
|
|
ret;
|
|
});
|
|
}
|
|
|
|
#undef InterlockedCompareExchange
|
|
#define InterlockedCompareExchange ilockcmpexch
|
|
#undef InterlockedCompareExchangePointer
|
|
#define InterlockedCompareExchangePointer(d,e,c) \
|
|
(PVOID)InterlockedCompareExchange((LONG volatile *)(d),(LONG)(e),(LONG)(c))
|
|
#endif /* !__x86_64 */
|
|
#endif /*_WINBASE2_H*/
|