/*
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* Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _COBALT_POSIX_SIGNAL_H
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#define _COBALT_POSIX_SIGNAL_H
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#include <linux/signal.h>
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#include <cobalt/kernel/timer.h>
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#include <cobalt/kernel/list.h>
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#include <cobalt/uapi/signal.h>
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#include <xenomai/posix/syscall.h>
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struct cobalt_thread;
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struct cobalt_sigpending {
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struct siginfo si;
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struct list_head next;
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};
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static inline
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void cobalt_copy_siginfo(int code,
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struct siginfo *__restrict__ dst,
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const struct siginfo *__restrict__ src)
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{
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dst->si_signo = src->si_signo;
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dst->si_errno = src->si_errno;
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dst->si_code = code;
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switch (code) {
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case SI_TIMER:
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dst->si_tid = src->si_tid;
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dst->si_overrun = src->si_overrun;
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dst->si_value = src->si_value;
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break;
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case SI_QUEUE:
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case SI_MESGQ:
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dst->si_value = src->si_value;
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fallthrough;
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case SI_USER:
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dst->si_pid = src->si_pid;
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dst->si_uid = src->si_uid;
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}
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}
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int __cobalt_sigwait(sigset_t *set);
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int __cobalt_sigtimedwait(sigset_t *set,
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const struct timespec64 *timeout,
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void __user *u_si,
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bool compat);
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int __cobalt_sigwaitinfo(sigset_t *set,
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void __user *u_si,
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bool compat);
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int __cobalt_sigqueue(pid_t pid, int sig, const union sigval *value);
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int cobalt_signal_send(struct cobalt_thread *thread,
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struct cobalt_sigpending *sigp,
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int group);
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int cobalt_signal_send_pid(pid_t pid,
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struct cobalt_sigpending *sigp);
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struct cobalt_sigpending *cobalt_signal_alloc(void);
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void cobalt_signal_free(struct cobalt_sigpending *sigp);
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void cobalt_signal_flush(struct cobalt_thread *thread);
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int cobalt_signal_wait(sigset_t *set, struct siginfo *si,
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xnticks_t timeout, xntmode_t tmode);
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int __cobalt_kill(struct cobalt_thread *thread,
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int sig, int group);
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COBALT_SYSCALL_DECL(sigwait,
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(const sigset_t __user *u_set, int __user *u_sig));
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COBALT_SYSCALL_DECL(sigtimedwait,
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(const sigset_t __user *u_set,
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struct siginfo __user *u_si,
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const struct __user_old_timespec __user *u_timeout));
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COBALT_SYSCALL_DECL(sigtimedwait64,
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(const sigset_t __user *u_set,
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struct siginfo __user *u_si,
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const struct __kernel_timespec __user *u_timeout));
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COBALT_SYSCALL_DECL(sigwaitinfo,
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(const sigset_t __user *u_set,
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struct siginfo __user *u_si));
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COBALT_SYSCALL_DECL(sigpending,
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(old_sigset_t __user *u_set));
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COBALT_SYSCALL_DECL(kill, (pid_t pid, int sig));
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COBALT_SYSCALL_DECL(sigqueue,
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(pid_t pid, int sig, const union sigval __user *u_value));
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int cobalt_signal_init(void);
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void cobalt_signal_cleanup(void);
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#endif /* !_COBALT_POSIX_SIGNAL_H */
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