blob: d5436119e81eec80feb209610ca6de806e473b1a [file] [log] [blame]
#include <intrin.h>
#ifdef _WIN64
__int64 _InterlockedExchange64(__int64 volatile *Target, __int64 Value)
{
__asm__ __volatile("lock ; xchgq %0,%1"
: "=r"(Value)
: "m"(*Target),"0"(Value)
: "memory");
return Value;
}
#else
__int64 __stdcall InterlockedCompareExchange64(__int64 volatile *Destination,
__int64 Exchange, __int64 Comperand);
__int64 _InterlockedExchange64(__int64 volatile *Target,__int64 Value);
__int64 _InterlockedExchange64(__int64 volatile *Target,__int64 Value)
{
__int64 Old;
do {
Old = *Target;
} while(InterlockedCompareExchange64(Target,Value,Old)!=Old);
return Old;
}
#endif
#ifdef _WIN64
__int64 InterlockedExchange64(__int64 volatile *, __int64) __attribute__((alias("_InterlockedExchange64")));
#else
__int64 __stdcall InterlockedExchange64(__int64 volatile *Target, __int64 Value);
__int64 __stdcall InterlockedExchange64(__int64 volatile *Target, __int64 Value)
{
return _InterlockedExchange64(Target, Value);
}
#endif