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thr_resume_np.c (127485) thr_resume_np.c (129484)
1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
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

--- 15 unchanged lines hidden (view full) ---

24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
1/*
2 * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
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

--- 15 unchanged lines hidden (view full) ---

24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $FreeBSD: head/lib/libthr/thread/thr_resume_np.c 127485 2004-03-27 14:39:21Z mtm $
32 * $FreeBSD: head/lib/libthr/thread/thr_resume_np.c 129484 2004-05-20 12:06:16Z mtm $
33 */
34#include <errno.h>
35#include <pthread.h>
36#include <stdlib.h>
37#include "thr_private.h"
38
39static void resume_common(struct pthread *);
40
41__weak_reference(_pthread_resume_np, pthread_resume_np);
42__weak_reference(_pthread_resume_all_np, pthread_resume_all_np);
43
44/* Resume a thread: */
45int
46_pthread_resume_np(pthread_t thread)
47{
48 int ret;
49
50 /* Find the thread in the list of active threads: */
51 if ((ret = _find_thread(thread)) == 0) {
33 */
34#include <errno.h>
35#include <pthread.h>
36#include <stdlib.h>
37#include "thr_private.h"
38
39static void resume_common(struct pthread *);
40
41__weak_reference(_pthread_resume_np, pthread_resume_np);
42__weak_reference(_pthread_resume_all_np, pthread_resume_all_np);
43
44/* Resume a thread: */
45int
46_pthread_resume_np(pthread_t thread)
47{
48 int ret;
49
50 /* Find the thread in the list of active threads: */
51 if ((ret = _find_thread(thread)) == 0) {
52 _thread_critical_enter(thread);
52 PTHREAD_LOCK(thread);
53
54 if ((thread->flags & PTHREAD_FLAGS_SUSPENDED) != 0)
55 resume_common(thread);
56
53
54 if ((thread->flags & PTHREAD_FLAGS_SUSPENDED) != 0)
55 resume_common(thread);
56
57 _thread_critical_exit(thread);
57 PTHREAD_UNLOCK(thread);
58 }
59 return (ret);
60}
61
62void
63_pthread_resume_all_np(void)
64{
65 struct pthread *thread;
66
58 }
59 return (ret);
60}
61
62void
63_pthread_resume_all_np(void)
64{
65 struct pthread *thread;
66
67 _thread_sigblock();
67 THREAD_LIST_LOCK;
68 TAILQ_FOREACH(thread, &_thread_list, tle) {
68 THREAD_LIST_LOCK;
69 TAILQ_FOREACH(thread, &_thread_list, tle) {
70 PTHREAD_LOCK(thread);
69 if ((thread != curthread) &&
71 if ((thread != curthread) &&
70 ((thread->flags & PTHREAD_FLAGS_SUSPENDED) != 0)) {
71 _thread_critical_enter(thread);
72 ((thread->flags & PTHREAD_FLAGS_SUSPENDED) != 0))
72 resume_common(thread);
73 resume_common(thread);
73 _thread_critical_exit(thread);
74 }
74 PTHREAD_UNLOCK(thread);
75 }
76 THREAD_LIST_UNLOCK;
75 }
76 THREAD_LIST_UNLOCK;
77 _thread_sigunblock();
77}
78
79/*
80 * The caller is required to have locked the thread before
81 * calling this function.
82 */
83static void
84resume_common(struct pthread *thread)
85{
86 thread->flags &= ~PTHREAD_FLAGS_SUSPENDED;
87 thr_wake(thread->thr_id);
88}
78}
79
80/*
81 * The caller is required to have locked the thread before
82 * calling this function.
83 */
84static void
85resume_common(struct pthread *thread)
86{
87 thread->flags &= ~PTHREAD_FLAGS_SUSPENDED;
88 thr_wake(thread->thr_id);
89}