1/*
2 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/librt/sigev_thread.c 156384 2006-03-07 08:42:02Z davidxu $
27 *
28 */
29
30#include <sys/types.h>
31#include <machine/atomic.h>
32
33#include "namespace.h"
34#include <err.h>
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300 }
301 return (-1);
302}
303
304static struct sigev_thread *
305sigev_thread_create(int usedefault)
306{
307 struct sigev_thread *tn;
308 sigset_t set;
309 int ret;
310
311 if (usedefault && sigev_default_thread) {
312 __sigev_list_lock();
313 sigev_default_thread->tn_refcount++;
314 __sigev_list_unlock();
315 return (sigev_default_thread);
316 }
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321 tn->tn_refcount = 1;
322 _pthread_cond_init(&tn->tn_cv, NULL);
323
324 /* for debug */
325 __sigev_list_lock();
326 LIST_INSERT_HEAD(&sigev_threads, tn, tn_link);
327 __sigev_list_unlock();
328
329 sigemptyset(&set);
330 sigaddset(&set, SIGSERVICE);
331
332 _sigprocmask(SIG_BLOCK, &set, NULL);
333 ret = pthread_create(&tn->tn_thread, &sigev_default_attr,
334 sigev_service_loop, tn);
335 _sigprocmask(SIG_UNBLOCK, &set, NULL);
336
337 if (ret != 0) {
338 __sigev_list_lock();
339 LIST_REMOVE(tn, tn_link);
340 __sigev_list_unlock();
341 free(tn);
342 tn = NULL;
343 } else {
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2 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 9 unchanged lines hidden (view full) ---
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $FreeBSD: head/lib/librt/sigev_thread.c 156384 2006-03-07 08:42:02Z davidxu $
27 *
28 */
29
30#include <sys/types.h>
31#include <machine/atomic.h>
32
33#include "namespace.h"
34#include <err.h>
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300 }
301 return (-1);
302}
303
304static struct sigev_thread *
305sigev_thread_create(int usedefault)
306{
307 struct sigev_thread *tn;
308 sigset_t set;
309 int ret;
310
311 if (usedefault && sigev_default_thread) {
312 __sigev_list_lock();
313 sigev_default_thread->tn_refcount++;
314 __sigev_list_unlock();
315 return (sigev_default_thread);
316 }
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321 tn->tn_refcount = 1;
322 _pthread_cond_init(&tn->tn_cv, NULL);
323
324 /* for debug */
325 __sigev_list_lock();
326 LIST_INSERT_HEAD(&sigev_threads, tn, tn_link);
327 __sigev_list_unlock();
328
329 sigemptyset(&set);
330 sigaddset(&set, SIGSERVICE);
331
332 _sigprocmask(SIG_BLOCK, &set, NULL);
333 ret = pthread_create(&tn->tn_thread, &sigev_default_attr,
334 sigev_service_loop, tn);
335 _sigprocmask(SIG_UNBLOCK, &set, NULL);
336
337 if (ret != 0) {
338 __sigev_list_lock();
339 LIST_REMOVE(tn, tn_link);
340 __sigev_list_unlock();
341 free(tn);
342 tn = NULL;
343 } else {
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