| #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 | |