2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
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35 #include <sys/cdefs.h>
36 #include <sys/_types.h>
37 #include <sys/signal.h>
38 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
39 #include <machine/ucontext.h>
40 #include <sys/_ucontext.h>
43 __NULLABILITY_PRAGMA_PUSH
47 * XXX should enlarge these, if only to give empty names instead of bounds
48 * errors for large signal numbers.
50 extern const char * const sys_signame[NSIG];
51 extern const char * const sys_siglist[NSIG];
52 extern const int sys_nsig;
55 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
56 #ifndef _PID_T_DECLARED
57 typedef __pid_t pid_t;
58 #define _PID_T_DECLARED
62 #if __POSIX_VISIBLE || __XSI_VISIBLE
63 struct pthread; /* XXX */
64 typedef struct pthread *__pthread_t;
65 #if !defined(_PTHREAD_T_DECLARED) && __POSIX_VISIBLE >= 200809
66 typedef __pthread_t pthread_t;
67 #define _PTHREAD_T_DECLARED
69 #endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
74 #if __POSIX_VISIBLE || __XSI_VISIBLE
75 int kill(__pid_t, int);
76 int pthread_kill(__pthread_t, int);
77 int pthread_sigmask(int, const __sigset_t * __restrict,
78 __sigset_t * __restrict);
79 int sigaction(int, const struct sigaction * __restrict,
80 struct sigaction * __restrict);
81 int sigaddset(sigset_t *, int);
82 int sigdelset(sigset_t *, int);
83 int sigemptyset(sigset_t *);
84 int sigfillset(sigset_t *);
85 int sigismember(const sigset_t *, int);
86 int sigpending(sigset_t * _Nonnull);
87 int sigprocmask(int, const sigset_t * __restrict, sigset_t * __restrict);
88 int sigsuspend(const sigset_t * _Nonnull);
89 int sigwait(const sigset_t * _Nonnull __restrict,
90 int * _Nonnull __restrict);
93 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
94 int sigqueue(__pid_t, int, const union sigval);
97 int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
98 const struct timespec * __restrict);
99 int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
103 int killpg(__pid_t, int);
104 int sigaltstack(const stack_t * __restrict, stack_t * __restrict);
109 void (* _Nullable sigset(int, void (* _Nullable)(int)))(int);
110 int xsi_sigpause(int);
113 #if __XSI_VISIBLE >= 600
114 int siginterrupt(int, int);
117 #if __POSIX_VISIBLE >= 200809
118 void psignal(int, const char *);
122 int sigandset(sigset_t *dest, const sigset_t *left, const sigset_t *right);
124 int sigisemptyset(const sigset_t *set);
125 int sigorset(sigset_t *dest, const sigset_t *left, const sigset_t *right);
126 int sigreturn(const struct __ucontext *);
128 int sigstack(const struct sigstack *, struct sigstack *);
129 int sigvec(int, struct sigvec *, struct sigvec *);
132 __NULLABILITY_PRAGMA_POP
134 #endif /* !_SIGNAL_H_ */