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/*
* File : signals.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2017, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017/10/1 Bernard The first version
*/
#ifndef POSIX_SIGNAL_H__
#define POSIX_SIGNAL_H__
#ifdef __cplusplus
extern "C" {
#endif
#include <rtthread.h>
enum rt_signal_value{
SIG1 = SIGHUP,
SIG2 = SIGINT,
SIG3 = SIGQUIT,
SIG4 = SIGILL,
SIG5 = SIGTRAP,
SIG6 = SIGABRT,
SIG7 = SIGEMT,
SIG8 = SIGFPE,
SIG9 = SIGKILL,
SIG10 = SIGBUS,
SIG11 = SIGSEGV,
SIG12 = SIGSYS,
SIG13 = SIGPIPE,
SIG14 = SIGALRM,
SIG15 = SIGTERM,
SIG16 = SIGURG,
SIG17 = SIGSTOP,
SIG18 = SIGTSTP,
SIG19 = SIGCONT,
SIG20 = SIGCHLD,
SIG21 = SIGTTIN,
SIG22 = SIGTTOU,
SIG23 = SIGPOLL,
SIG24 = 24, // SIGXCPU,
SIG25 = 25, // SIGXFSZ,
SIG26 = 26, // SIGVTALRM,
SIG27 = 27, // SIGPROF,
SIG28 = SIGWINCH,
SIG29 = 29, // SIGLOST,
SIG30 = SIGUSR1,
SIG31 = SIGUSR2,
SIGRT_MIN = 27, // SIGRTMIN,
SIGRT_MAX = 31, // SIGRTMAX,
SIGMAX = NSIG,
};
/*
The structure definitions on newlib:
typedef void (*_sig_func_ptr)(int);
struct sigaction
{
_sig_func_ptr sa_handler;
sigset_t sa_mask;
int sa_flags;
};
typedef int sig_atomic_t;
typedef _sig_func_ptr sig_t;
typedef _sig_func_ptr sighandler_t;
When enable POSIX_REALTIME_SIGNALS/POSIX_THREADS:
union sigval {
int sival_int;
void *sival_ptr;
};
struct sigevent {
int sigev_notify;
int sigev_signo;
union sigval sigev_value;
void (*sigev_notify_function)( union sigval );
pthread_attr_t *sigev_notify_attributes;
};
typedef struct {
int si_signo;
int si_code;
union sigval si_value;
} siginfo_t;
*/
rt_sighandler_t rt_signal_install(int signo, rt_sighandler_t handler);
void rt_signal_mask(int signo);
void rt_signal_unmask(int signo);
int rt_thread_kill(rt_thread_t tid, int sig);
int rt_system_signal_init(void);
#ifdef __cplusplus
}
#endif
#endif
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