#include <intrin.h> | |
unsigned char _InterlockedBitTestAndComplement(long *Base, long Bit); /* not in intrin.h */ | |
unsigned char _InterlockedBitTestAndComplement(long *Base, long Bit) | |
{ | |
int old = 0; | |
__asm__ __volatile__("lock ; btcl %2,%1\n\tsbbl %0,%0 " | |
:"=r" (old),"=m" ((*(volatile long *) Base)) | |
:"Ir" (Bit)); | |
return (old != 0); | |
} | |
unsigned char InterlockedBitTestAndComplement(long *Base, long Bit) __attribute__((alias("_InterlockedBitTestAndComplement"))); | |