diff options
Diffstat (limited to 'bits/sigset.h')
| -rw-r--r-- | bits/sigset.h | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/bits/sigset.h b/bits/sigset.h deleted file mode 100644 index 4099cc703f..0000000000 --- a/bits/sigset.h +++ /dev/null @@ -1,84 +0,0 @@ -/* __sig_atomic_t, __sigset_t, and related definitions. Generic/BSD version. - Copyright (C) 1991-2017 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _SIGSET_H_types -#define _SIGSET_H_types 1 - -typedef int __sig_atomic_t; - -/* A `sigset_t' has a bit for each signal. */ -typedef unsigned long int __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 SIG only. The cast to `sigset_t' avoids - overflow if `sigset_t' is wider than `int'. */ -#define __sigmask(sig) (((__sigset_t) 1) << ((sig) - 1)) - -#define __sigemptyset(set) \ - (__extension__ ({ *(set) = (__sigset_t) 0; 0; }) -#define __sigfillset(set) \ - (__extension__ ({ *(set) = ~(__sigset_t) 0; 0; })) - -#ifdef _GNU_SOURCE -# define __sigisemptyset(set) (*(set) == (__sigset_t) 0) -# define __sigandset(dest, left, right) \ - (__extension__ ({ *(dest) = *(left) & *(right); 0; })) -# define __sigorset(dest, left, right) \ - (__extension__ ({ *(dest) = *(left) | *(right); 0; })) -#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 -# define __SIGSETFN(NAME, BODY, CONST) \ - _EXTERN_INLINE int \ - NAME (CONST __sigset_t *__set, int __sig) \ - { \ - __sigset_t __mask = __sigmask (__sig); \ - return BODY; \ - } - -__SIGSETFN (__sigismember, (*__set & __mask) ? 1 : 0, const) -__SIGSETFN (__sigaddset, ((*__set |= __mask), 0), ) -__SIGSETFN (__sigdelset, ((*__set &= ~__mask), 0), ) - -# undef __SIGSETFN -#endif - - -#endif /* ! _SIGSET_H_fns. */ |