Annotation of src/include/signal.h, Revision 1.26
1.26 ! bluhm 1: /* $OpenBSD: signal.h,v 1.25 2016/05/09 23:55:52 guenther Exp $ */
1.2 niklas 2: /* $NetBSD: signal.h,v 1.8 1996/02/29 00:04:57 jtc Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1991, 1993
6: * The Regents of the University of California. All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.7 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)signal.h 8.3 (Berkeley) 3/30/94
33: */
34:
35: #ifndef _USER_SIGNAL_H
36: #define _USER_SIGNAL_H
37:
38: #include <sys/signal.h>
39:
1.9 millert 40: #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
1.1 deraadt 41: #include <sys/types.h>
42: #endif
43:
1.12 kettenis 44: __BEGIN_DECLS
1.9 millert 45: #if __BSD_VISIBLE
1.22 guenther 46: extern const char *const sys_signame[_NSIG];
47: extern const char *const sys_siglist[_NSIG];
1.1 deraadt 48: #endif
49:
1.5 millert 50: int raise(int);
1.9 millert 51: #if __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE
1.19 guenther 52: #if __BSD_VISIBLE || (__XPG_VISIBLE >= 500 && __XPG_VISIBLE < 700)
1.8 millert 53: void (*bsd_signal(int, void (*)(int)))(int);
1.19 guenther 54: #endif
1.5 millert 55: int kill(pid_t, int);
1.19 guenther 56: int sigaction(int, const struct sigaction *__restrict,
57: struct sigaction *__restrict);
1.5 millert 58: int sigaddset(sigset_t *, int);
59: int sigdelset(sigset_t *, int);
60: int sigemptyset(sigset_t *);
61: int sigfillset(sigset_t *);
62: int sigismember(const sigset_t *, int);
63: int sigpending(sigset_t *);
1.19 guenther 64: int sigprocmask(int, const sigset_t *__restrict, sigset_t *__restrict);
1.17 kettenis 65: #if __POSIX_VISIBLE >= 199506
1.19 guenther 66: int pthread_sigmask(int, const sigset_t *__restrict, sigset_t *__restrict);
1.17 kettenis 67: #endif
1.5 millert 68: int sigsuspend(const sigset_t *);
1.1 deraadt 69:
1.21 guenther 70: #if !defined(_ANSI_LIBRARY)
1.14 guenther 71:
1.18 espie 72: extern int *__errno(void);
73:
1.24 millert 74: __only_inline int sigaddset(sigset_t *__set, int __signo)
75: {
1.19 guenther 76: if (__signo <= 0 || __signo >= _NSIG) {
1.10 millert 77: *__errno() = 22; /* EINVAL */
1.1 deraadt 78: return -1;
79: }
1.19 guenther 80: *__set |= (1U << ((__signo)-1)); /* sigmask(__signo) */
1.1 deraadt 81: return (0);
82: }
83:
1.24 millert 84: __only_inline int sigdelset(sigset_t *__set, int __signo)
85: {
1.19 guenther 86: if (__signo <= 0 || __signo >= _NSIG) {
1.10 millert 87: *__errno() = 22; /* EINVAL */
1.1 deraadt 88: return -1;
89: }
1.19 guenther 90: *__set &= ~(1U << ((__signo)-1)); /* sigmask(__signo) */
1.1 deraadt 91: return (0);
92: }
93:
1.24 millert 94: __only_inline int sigismember(const sigset_t *__set, int __signo)
95: {
1.19 guenther 96: if (__signo <= 0 || __signo >= _NSIG) {
1.10 millert 97: *__errno() = 22; /* EINVAL */
1.1 deraadt 98: return -1;
99: }
1.19 guenther 100: return ((*__set & (1U << ((__signo)-1))) != 0);
1.1 deraadt 101: }
1.24 millert 102:
103: __only_inline int sigemptyset(sigset_t *__set)
104: {
105: *__set = 0;
106: return (0);
107: }
108:
109: __only_inline int sigfillset(sigset_t *__set)
110: {
111: *__set = ~(sigset_t)0;
112: return (0);
113: }
114:
1.21 guenther 115: #endif /* !_ANSI_LIBRARY */
1.1 deraadt 116:
1.9 millert 117: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
1.5 millert 118: int killpg(pid_t, int);
119: int siginterrupt(int, int);
1.19 guenther 120: int sigaltstack(const struct sigaltstack *__restrict,
121: struct sigaltstack *__restrict);
1.9 millert 122: #if __BSD_VISIBLE
123: int sigblock(int);
1.26 ! bluhm 124: /* This is the traditional BSD sigpause() and not the XPG/POSIX sigpause(). */
! 125: int sigpause(int);
1.9 millert 126: int sigsetmask(int);
1.5 millert 127: int sigvec(int, struct sigvec *, struct sigvec *);
1.23 guenther 128: int thrkill(pid_t _tid, int _signum, void *_tcb);
1.9 millert 129: #endif
1.16 guenther 130: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
1.9 millert 131: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE >= 500
1.19 guenther 132: int sigwait(const sigset_t *__restrict, int *__restrict);
1.9 millert 133: #endif
1.16 guenther 134: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
135: void psignal(unsigned int, const char *);
136: #endif
1.9 millert 137: #endif /* __BSD_VISIBLE || __POSIX_VISIBLE || __XPG_VISIBLE */
1.1 deraadt 138: __END_DECLS
139:
140: #endif /* !_USER_SIGNAL_H */
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