#include <intrin.h> | |
long _InterlockedDecrement(long volatile *Addend) | |
{ | |
long ret = -1; | |
__asm__ __volatile__ ("lock\n\t" | |
"xaddl %0,%1" | |
: "+r" (ret), "+m" (*Addend) | |
: : "memory"); | |
return ret - 1; | |
} | |
#ifdef _WIN64 | |
long InterlockedDecrement(long volatile *) __attribute__((alias("_InterlockedDecrement"))); | |
#else | |
long __stdcall InterlockedDecrement(long volatile *Addend); | |
long __stdcall InterlockedDecrement(long volatile *Addend) | |
{ | |
return _InterlockedDecrement(Addend); | |
} | |
#endif | |