/*
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* Copyright (C) 2013 Philippe Gerum <rpm@xenomai.org>.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; 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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#include <stdlib.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <signal.h>
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#include <cobalt/uapi/signal.h>
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#include <asm/xenomai/syscall.h>
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#include "internal.h"
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COBALT_IMPL(int, sigwait, (const sigset_t *set, int *sig))
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{
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int ret, oldtype;
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pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
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ret = -XENOMAI_SYSCALL2(sc_cobalt_sigwait, set, sig);
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pthread_setcanceltype(oldtype, NULL);
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return ret;
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}
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COBALT_IMPL(int, sigwaitinfo, (const sigset_t *set, siginfo_t *si))
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{
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int ret, oldtype;
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pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
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ret = XENOMAI_SYSCALL2(sc_cobalt_sigwaitinfo, set, si);
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if (ret < 0) {
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errno = -ret;
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ret = -1;
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}
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pthread_setcanceltype(oldtype, NULL);
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return ret;
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}
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COBALT_IMPL(int, sigtimedwait, (const sigset_t *set, siginfo_t *si,
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const struct timespec *timeout))
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{
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int ret, oldtype;
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pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, &oldtype);
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#ifdef __USE_TIME_BITS64
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ret = XENOMAI_SYSCALL3(sc_cobalt_sigtimedwait64, set, si, timeout);
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#else
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ret = XENOMAI_SYSCALL3(sc_cobalt_sigtimedwait, set, si, timeout);
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#endif
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if (ret < 0) {
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errno = -ret;
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ret = -1;
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}
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pthread_setcanceltype(oldtype, NULL);
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return ret;
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}
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COBALT_IMPL(int, sigpending, (sigset_t *set))
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{
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int ret;
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ret = XENOMAI_SYSCALL1(sc_cobalt_sigpending, set);
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if (ret) {
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errno = -ret;
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return -1;
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}
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return 0;
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}
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COBALT_IMPL(int, kill, (pid_t pid, int sig))
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{
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int ret;
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/*
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* Delegate processing of special pids to the regular
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* kernel. We only deal with thread-directed signals.
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*/
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if (pid <= 0)
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return __STD(kill(pid, sig));
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ret = XENOMAI_SYSCALL2(sc_cobalt_kill, pid, sig);
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if (ret) {
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/* Retry with regular kill is no RT target was found. */
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if (ret == -ESRCH)
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return __STD(kill(pid, sig));
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errno = -ret;
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return -1;
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}
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return 0;
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}
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COBALT_IMPL(int, sigqueue, (pid_t pid, int sig, const union sigval value))
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{
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int ret;
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ret = XENOMAI_SYSCALL3(sc_cobalt_sigqueue, pid, sig, &value);
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if (ret) {
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errno = -ret;
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return -1;
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}
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return 0;
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}
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