171b3fa15SDavid Xu /*
271b3fa15SDavid Xu * Copyright (c) 1997 John Birrell <jb@cimlogic.com.au>.
371b3fa15SDavid Xu * All rights reserved.
471b3fa15SDavid Xu *
571b3fa15SDavid Xu * Redistribution and use in source and binary forms, with or without
671b3fa15SDavid Xu * modification, are permitted provided that the following conditions
771b3fa15SDavid Xu * are met:
871b3fa15SDavid Xu * 1. Redistributions of source code must retain the above copyright
971b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer.
1071b3fa15SDavid Xu * 2. Redistributions in binary form must reproduce the above copyright
1171b3fa15SDavid Xu * notice, this list of conditions and the following disclaimer in the
1271b3fa15SDavid Xu * documentation and/or other materials provided with the distribution.
13d3b15642Szrj * 3. Neither the name of the author nor the names of any co-contributors
1471b3fa15SDavid Xu * may be used to endorse or promote products derived from this software
1571b3fa15SDavid Xu * without specific prior written permission.
1671b3fa15SDavid Xu *
1771b3fa15SDavid Xu * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
1871b3fa15SDavid Xu * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1971b3fa15SDavid Xu * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2071b3fa15SDavid Xu * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2171b3fa15SDavid Xu * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2271b3fa15SDavid Xu * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2371b3fa15SDavid Xu * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2471b3fa15SDavid Xu * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2571b3fa15SDavid Xu * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2671b3fa15SDavid Xu * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2771b3fa15SDavid Xu * SUCH DAMAGE.
2871b3fa15SDavid Xu *
2971b3fa15SDavid Xu */
309e2ee207SJoerg Sonnenberger
31fc71f871SDavid Xu #include "namespace.h"
329e2ee207SJoerg Sonnenberger #include <machine/tls.h>
3371b3fa15SDavid Xu #include <errno.h>
3471b3fa15SDavid Xu #include <signal.h>
3571b3fa15SDavid Xu #include <pthread.h>
36fc71f871SDavid Xu #include "un-namespace.h"
37fc71f871SDavid Xu
3871b3fa15SDavid Xu #include "thr_private.h"
3971b3fa15SDavid Xu
4071b3fa15SDavid Xu int
_pthread_kill(pthread_t pthread,int sig)4171b3fa15SDavid Xu _pthread_kill(pthread_t pthread, int sig)
4271b3fa15SDavid Xu {
43*940be950Szrj pthread_t curthread;
4471b3fa15SDavid Xu int ret;
4571b3fa15SDavid Xu
4671b3fa15SDavid Xu /* Check for invalid signal numbers: */
4771b3fa15SDavid Xu if (sig < 0 || sig > _SIG_MAXSIG)
4871b3fa15SDavid Xu /* Invalid signal: */
498979fd9cSzrj return (EINVAL);
508979fd9cSzrj
518979fd9cSzrj curthread = tls_get_curthread();
528979fd9cSzrj
5371b3fa15SDavid Xu /*
5471b3fa15SDavid Xu * Ensure the thread is in the list of active threads, and the
5571b3fa15SDavid Xu * signal is valid (signal 0 specifies error checking only) and
5671b3fa15SDavid Xu * not being ignored:
5771b3fa15SDavid Xu */
588979fd9cSzrj if ((ret = _thr_ref_add(curthread, pthread, /*include dead*/0))
5971b3fa15SDavid Xu == 0) {
6071b3fa15SDavid Xu if (sig > 0)
6171b3fa15SDavid Xu _thr_send_sig(pthread, sig);
6271b3fa15SDavid Xu _thr_ref_delete(curthread, pthread);
6371b3fa15SDavid Xu }
6471b3fa15SDavid Xu
6571b3fa15SDavid Xu /* Return the completion status: */
6671b3fa15SDavid Xu return (ret);
6771b3fa15SDavid Xu }
685a1048c8SDavid Xu
695a1048c8SDavid Xu __strong_reference(_pthread_kill, pthread_kill);
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