2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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29 * @(#)signal.h 8.3 (Berkeley) 3/30/94
36 #include <sys/cdefs.h>
37 #include <sys/_types.h>
38 #include <sys/signal.h>
39 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
40 #include <machine/ucontext.h>
41 #include <sys/_ucontext.h>
44 __NULLABILITY_PRAGMA_PUSH
48 * XXX should enlarge these, if only to give empty names instead of bounds
49 * errors for large signal numbers.
51 extern const char * const sys_signame[NSIG];
52 extern const char * const sys_siglist[NSIG];
53 extern const int sys_nsig;
56 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
57 #ifndef _PID_T_DECLARED
58 typedef __pid_t pid_t;
59 #define _PID_T_DECLARED
63 #if __POSIX_VISIBLE || __XSI_VISIBLE
64 struct pthread; /* XXX */
65 typedef struct pthread *__pthread_t;
66 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
67 typedef __pthread_t pthread_t;
68 #define _PTHREAD_T_DECLARED
70 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
75 #if __POSIX_VISIBLE || __XSI_VISIBLE
76 int kill(__pid_t, int);
77 int pthread_kill(__pthread_t, int);
78 int pthread_sigmask(int, const __sigset_t * __restrict,
79 __sigset_t * __restrict);
80 int sigaction(int, const struct sigaction * __restrict,
81 struct sigaction * __restrict);
82 int sigaddset(sigset_t *, int);
83 int sigdelset(sigset_t *, int);
84 int sigemptyset(sigset_t *);
85 int sigfillset(sigset_t *);
86 int sigismember(const sigset_t *, int);
87 int sigpending(sigset_t * _Nonnull);
88 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
89 int sigsuspend(const sigset_t * _Nonnull);
90 int sigwait(const sigset_t * _Nonnull __restrict,
91 int * _Nonnull __restrict);
94 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
95 int sigqueue(__pid_t, int, const union sigval);
98 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
99 const struct timespec * __restrict);
100 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
104 int killpg(__pid_t, int);
105 int sigaltstack(const stack_t * __restrict, stack_t * __restrict);
110 void (* _Nullable sigset(int, void (* _Nullable)(int)))(int);
111 int xsi_sigpause(int);
114 #if __XSI_VISIBLE >= 600
115 int siginterrupt(int, int);
118 #if __POSIX_VISIBLE >= 200809
119 void psignal(int, const char *);
124 int sigreturn(const struct __ucontext *);
126 int sigstack(const struct sigstack *, struct sigstack *);
127 int sigvec(int, struct sigvec *, struct sigvec *);
130 __NULLABILITY_PRAGMA_POP
132 #endif /* !_SIGNAL_H_ */