X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-i386%2Fsignal.h;h=53945c95a7a3809807f8b8bc2a79b5a152642e04;hb=refs%2Fheads%2Fvserver;hp=cbb47d34aa31402f1f102183635fc5b31eff66c8;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/include/asm-i386/signal.h b/include/asm-i386/signal.h index cbb47d34a..53945c95a 100644 --- a/include/asm-i386/signal.h +++ b/include/asm-i386/signal.h @@ -2,7 +2,6 @@ #define _ASMi386_SIGNAL_H #include -#include #include #include @@ -10,6 +9,9 @@ struct siginfo; #ifdef __KERNEL__ + +#include + /* Most things should be clean enough to redefine this at will, if care is taken to make libc match. */ @@ -77,7 +79,6 @@ typedef unsigned long sigset_t; * SA_FLAGS values: * * SA_ONSTACK indicates that a registered stack_t will be used. - * SA_INTERRUPT is a no-op, but left due to historical reasons. Use the * SA_RESTART flag to get restarting signals (which were the default long ago) * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. * SA_RESETHAND clears the handler when the signal is delivered. @@ -97,7 +98,6 @@ typedef unsigned long sigset_t; #define SA_NOMASK SA_NODEFER #define SA_ONESHOT SA_RESETHAND -#define SA_INTERRUPT 0x20000000 /* dummy -- ignored */ #define SA_RESTORER 0x04000000 @@ -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_sigdelset(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) @@ -195,14 +218,11 @@ static __inline__ int sigfindinword(unsigned long word) } struct pt_regs; -extern int FASTCALL(do_signal(struct pt_regs *regs, sigset_t *oldset)); #define ptrace_signal_deliver(regs, cookie) \ do { \ - if (current->ptrace & PT_DTRACE) { \ - current->ptrace &= ~PT_DTRACE; \ + if (test_and_clear_thread_flag(TIF_FORCED_TF)) \ (regs)->eflags &= ~TF_MASK; \ - } \ } while (0) #endif /* __KERNEL__ */