diff options
Diffstat (limited to 'include/asm-i386/signal.h')
| -rw-r--r-- | include/asm-i386/signal.h | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/include/asm-i386/signal.h b/include/asm-i386/signal.h index cbb47d34aa3..6ba29f145bf 100644 --- a/include/asm-i386/signal.h +++ b/include/asm-i386/signal.h @@ -159,14 +159,37 @@ typedef struct sigaltstack { #define __HAVE_ARCH_SIG_BITOPS -static __inline__ void sigaddset(sigset_t *set, int _sig) +#define sigaddset(set,sig) \ + (__builtin_constant_p(sig) ? \ + __const_sigaddset((set),(sig)) : \ + __gen_sigaddset((set),(sig))) + +static __inline__ void __gen_sigaddset(sigset_t *set, int _sig) { - __asm__("btsl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); + __asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); } -static __inline__ void sigdelset(sigset_t *set, int _sig) +static __inline__ void __const_sigaddset(sigset_t *set, int _sig) { - __asm__("btrl %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc"); + unsigned long sig = _sig - 1; + set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW); +} + +#define sigdelset(set,sig) \ + (__builtin_constant_p(sig) ? \ + __const_sigdelset((set),(sig)) : \ + __gen_sigdelset((set),(sig))) + + +static __inline__ void __gen_sigdelset(sigset_t *set, int _sig) +{ + __asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc"); +} + +static __inline__ void __const_sigaddset(sigset_t *set, int _sig) +{ + unsigned long sig = _sig - 1; + set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW)); } static __inline__ int __const_sigismember(sigset_t *set, int _sig) |