signal.h

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/*
 * Copyright (c) 2018 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_POSIX_SIGNAL_H_
#define ZEPHYR_INCLUDE_POSIX_SIGNAL_H_
 
/* include posix_types.h before posix_features.h (here) to avoid build errors against newlib */
#include <zephyr/posix/posix_types.h>
#include "posix_features.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define SIGHUP    1  
#define SIGINT    2  
#define SIGQUIT   3  
#define SIGILL    4  
#define SIGTRAP   5  
#define SIGABRT   6  
#define SIGBUS    7  
#define SIGFPE    8  
#define SIGKILL   9  
#define SIGUSR1   10 
#define SIGSEGV   11 
#define SIGUSR2   12 
#define SIGPIPE   13 
#define SIGALRM   14 
#define SIGTERM   15 
/* 16 not used */
#define SIGCHLD   17 
#define SIGCONT   18 
#define SIGSTOP   19 
#define SIGTSTP   20 
#define SIGTTIN   21 
#define SIGTTOU   22 
#define SIGURG    23 
#define SIGXCPU   24 
#define SIGXFSZ   25 
#define SIGVTALRM 26 
#define SIGPROF   27 
/* 28 not used */
#define SIGPOLL   29 
/* 30 not used */
#define SIGSYS    31 
#define SIGRTMIN 32
#define SIGRTMAX (SIGRTMIN + RTSIG_MAX)
#define _NSIG (SIGRTMAX + 1)
 
BUILD_ASSERT(RTSIG_MAX >= 0);
 
typedef struct {
        unsigned long sig[DIV_ROUND_UP(_NSIG, BITS_PER_LONG)];
} sigset_t;
 
#ifndef SIGEV_NONE
#define SIGEV_NONE 1
#endif
 
#ifndef SIGEV_SIGNAL
#define SIGEV_SIGNAL 2
#endif
 
#ifndef SIGEV_THREAD
#define SIGEV_THREAD 3
#endif
 
#ifndef SIG_BLOCK
#define SIG_BLOCK 0
#endif
#ifndef SIG_SETMASK
#define SIG_SETMASK 1
#endif
#ifndef SIG_UNBLOCK
#define SIG_UNBLOCK 2
#endif
 
#define SIG_DFL ((void *)0)
#define SIG_IGN ((void *)1)
#define SIG_ERR ((void *)-1)
 
#define SI_USER 1
#define SI_QUEUE 2
#define SI_TIMER 3
#define SI_ASYNCIO 4
#define SI_MESGQ 5
 
typedef int     sig_atomic_t;           /* Atomic entity type (ANSI) */
 
union sigval {
        void *sival_ptr;
        int sival_int;
};
 
struct sigevent {
        void (*sigev_notify_function)(union sigval val);
        pthread_attr_t *sigev_notify_attributes;
        union sigval sigev_value;
        int sigev_notify;
        int sigev_signo;
};
 
typedef struct {
        int si_signo;
        int si_code;
        union sigval si_value;
} siginfo_t;
 
struct sigaction {
        void (*sa_handler)(int signno);
        sigset_t sa_mask;
        int sa_flags;
        void (*sa_sigaction)(int signo, siginfo_t *info, void *context);
};
 
typedef void (*sighandler_t)(int signo);
 
unsigned int alarm(unsigned int seconds);
int kill(pid_t pid, int sig);
int pause(void);
int raise(int signo);
TOOLCHAIN_IGNORE_WSHADOW_BEGIN;
int sigaction(int sig, const struct sigaction *ZRESTRICT act, struct sigaction *ZRESTRICT oact);
TOOLCHAIN_IGNORE_WSHADOW_END;
int sigpending(sigset_t *set);
int sigsuspend(const sigset_t *sigmask);
int sigwait(const sigset_t *ZRESTRICT set, int *ZRESTRICT signo);
char *strsignal(int signum);
int sigemptyset(sigset_t *set);
int sigfillset(sigset_t *set);
int sigaddset(sigset_t *set, int signo);
int sigdelset(sigset_t *set, int signo);
int sigismember(const sigset_t *set, int signo);
sighandler_t signal(int signo, sighandler_t handler);
int sigprocmask(int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset);
 
int pthread_sigmask(int how, const sigset_t *ZRESTRICT set, sigset_t *ZRESTRICT oset);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_POSIX_SIGNAL_H_ */