diff options
Diffstat (limited to 'sysdeps/unix/sysv/aix/bits/sigset.h')
| -rw-r--r-- | sysdeps/unix/sysv/aix/bits/sigset.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/sysdeps/unix/sysv/aix/bits/sigset.h b/sysdeps/unix/sysv/aix/bits/sigset.h deleted file mode 100644 index 0dc6b40a7c..0000000000 --- a/sysdeps/unix/sysv/aix/bits/sigset.h +++ /dev/null @@ -1,125 +0,0 @@ -/* __sig_atomic_t, __sigset_t, and related definitions. AIX version. - Copyright (C) 1991,1992,1994,1996,1997,2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, write to the Free - Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA - 02111-1307 USA. */ - -#ifndef _SIGSET_H_types -# define _SIGSET_H_types 1 - -typedef int __sig_atomic_t; - -/* A `sigset_t' has a bit for each signal. */ - -typedef struct - { - unsigned int __losigs; - unsigned int __hisigs; - } __sigset_t; - -#endif - - -/* We only want to define these functions if <signal.h> was actually - included; otherwise we were included just to define the types. Since we - are namespace-clean, it wouldn't hurt to define extra macros. But - trouble can be caused by functions being defined (e.g., any global - register vars declared later will cause compilation errors). */ - -#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 the bit for SIG only. */ -# define __sigmask(sig) \ - (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned int)))) - -# if defined __GNUC__ && __GNUC__ >= 2 -# define __sigemptyset(set) \ - (__extension__ ({ sigset_t *__set = (set); \ - __set->__losigs = __set->__hisigs = 0; \ - 0; })) -# define __sigfillset(set) \ - (__extension__ ({ sigset_t *__set = (set); \ - __set->__losigs = __set->__hisigs = ~0u; \ - 0; })) - -# ifdef __USE_GNU -/* The POSIX does not specify for handling the whole signal set in one - command. This is often wanted and so we define three more functions - here. */ -# define __sigisemptyset(set) \ - (__extension__ ({ const sigset_t *__set = (set); \ - (__set->__losigs | __set->__hisigs) == 0; })) -# define __sigandset(dest, left, right) \ - (__extension__ ({ sigset_t *__dest = (dest); \ - const sigset_t *__left = (left); \ - const sigset_t *__right = (right); \ - __dest->__losigs = __left->__losigs & __right->__losigs; \ - __dest->__hisigs = __left->__hisigs & __right->__hisigs; \ - 0; })) -# define __sigorset(dest, left, right) \ - (__extension__ ({ sigset_t *__dest = (dest); \ - const sigset_t *__left = (left); \ - const sigset_t *__right = (right); \ - __dest->__losigs = __left->__losigs | __right->__losigs; \ - __dest->__hisigs = __left->__hisigs | __right->__hisigs; \ - 0; })) -# endif -# endif - -/* 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); - -# ifdef __USE_EXTERN_INLINES -_EXTERN_INLINE int -__sigismember (__const __sigset_t *__set, int __sig) -{ - unsigned int __mask = __sigmask (__sig); - - return ((__sig < 33 ? __set->__losigs : __set->__hisigs) & __mask ) ? 1 : 0; -} - -_EXTERN_INLINE int -__sigaddset (__sigset_t *__set, int __sig) -{ - unsigned int __mask = __sigmask (__sig); - - (__sig < 33 ? __set->__losigs : __set->__hisigs) |= __mask; - - return 0; -} - -_EXTERN_INLINE int -__sigdelset (__sigset_t *__set, int __sig) -{ - unsigned int __mask = __sigmask (__sig); - - (__sig < 33 ? __set->__losigs : __set->__hisigs) &= ~__mask; - - return 0; -} -# endif - - -#endif /* ! _SIGSET_H_fns. */ |