diff options
Diffstat (limited to 'sysdeps/generic/sigset.h')
| -rw-r--r-- | sysdeps/generic/sigset.h | 34 |
1 files changed, 12 insertions, 22 deletions
diff --git a/sysdeps/generic/sigset.h b/sysdeps/generic/sigset.h index 361d157bf5..a137d428c3 100644 --- a/sysdeps/generic/sigset.h +++ b/sysdeps/generic/sigset.h @@ -37,6 +37,10 @@ typedef unsigned long int __sigset_t; #if !defined (_SIGSET_H_fns) && defined (_SIGNAL_H) #define _SIGSET_H_fns 1 +#ifndef _EXTERN_INLINE +#define _EXTERN_INLINE extern __inline +#endif + /* Return a mask that includes SIG only. The cast to `sigset_t' avoids overflow if `sigset_t' is wider than `int'. */ #define __sigmask(sig) (((__sigset_t) 1) << ((sig) - 1)) @@ -44,38 +48,24 @@ typedef unsigned long int __sigset_t; #define __sigemptyset(set) ((*(set) = (__sigset_t) 0), 0) #define __sigfillset(set) ((*(set) = ~(__sigset_t) 0), 0) -/* These functions must check for a bogus signal number. We detect it by a - zero sigmask, since a number too low or too high will have shifted the 1 - off the high end of the mask. If we find an error, we punt to a random - call we know fails with EINVAL (kludge city!), so as to avoid referring - to `errno' in this file (sigh). */ +/* These functions needn't check for a bogus signal number -- error + checking is done in the non __ versions. */ extern int __sigismember (__const __sigset_t *, int); extern int __sigaddset (__sigset_t *, int); extern int __sigdelset (__sigset_t *, int); -#ifndef _EXTERN_INLINE -#define _EXTERN_INLINE extern __inline -#endif #define __SIGSETFN(NAME, BODY, CONST) \ _EXTERN_INLINE int \ - __##NAME (CONST __sigset_t *__set, int __sig) \ + NAME (CONST __sigset_t *__set, int __sig) \ { \ - if (__sig < 1 || __sig > (int) sizeof (__sigset_t) * 8) \ - { \ - extern int raise (int); \ - return raise (-1); \ - } \ - else \ - { \ - __sigset_t __mask = __sigmask (__sig); \ - return BODY; \ - } \ + __sigset_t __mask = __sigmask (__sig); \ + return BODY; \ } -__SIGSETFN (sigismember, (*__set & __mask) ? 1 : 0, __const) -__SIGSETFN (sigaddset, ((*__set |= __mask), 0), ) -__SIGSETFN (sigdelset, ((*__set &= ~__mask), 0), ) +__SIGSETFN (__sigismember, (*__set & __mask) ? 1 : 0, __const) +__SIGSETFN (__sigaddset, ((*__set |= __mask), 0), ) +__SIGSETFN (__sigdelset, ((*__set &= ~__mask), 0), ) #undef __SIGSETFN |