1 /******************************************************************************/
2 /* pfixtools: a collection of postfix related tools */
4 /* ________________________________________________________________________ */
6 /* Redistribution and use in source and binary forms, with or without */
7 /* modification, are permitted provided that the following conditions */
10 /* 1. Redistributions of source code must retain the above copyright */
11 /* notice, this list of conditions and the following disclaimer. */
12 /* 2. Redistributions in binary form must reproduce the above copyright */
13 /* notice, this list of conditions and the following disclaimer in the */
14 /* documentation and/or other materials provided with the distribution. */
15 /* 3. The names of its contributors may not be used to endorse or promote */
16 /* products derived from this software without specific prior written */
19 /* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND */
20 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE */
21 /* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
22 /* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS */
23 /* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR */
24 /* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF */
25 /* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS */
26 /* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
27 /* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) */
28 /* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF */
29 /* THE POSSIBILITY OF SUCH DAMAGE. */
30 /******************************************************************************/
33 * Copyright © 2007 Pierre Habouzit
39 pthread_spinlock_t spin;
45 void *(*f)(int, void*);
50 void thread_register_dead(void *tid)
52 pthread_spin_lock(&morgue.spin);
53 if (morgue.count >= morgue.size) {
54 p_allocgrow(&morgue.deads, morgue.count + 1, &morgue.size);
56 morgue.deads[morgue.count++] = (pthread_t)tid;
57 pthread_spin_unlock(&morgue.spin);
60 static void *thread_wrapper(void *arg)
62 struct job_closure *closure = arg;
65 pthread_cleanup_push(thread_register_dead, (void *)pthread_self());
66 res = (*closure->f)(closure->fd, closure->data);
67 pthread_cleanup_pop(1);
72 int thread_launch(void *(*f)(int, void *), int fd, void *data)
74 struct job_closure closure = { .f = f, .fd = fd, .data = data };
76 return pthread_create(&t, NULL, &thread_wrapper, p_dup(&closure, 1));
79 void threads_join(void)
84 pthread_spin_lock(&morgue.spin);
85 while (morgue.count-- > 0) {
86 pthread_join(morgue.deads[morgue.count], NULL);
88 pthread_spin_unlock(&morgue.spin);
92 static int threads_initialize(void)
94 pthread_spin_init(&morgue.spin, PTHREAD_PROCESS_PRIVATE);
98 static void threads_shutdown(void)
100 pthread_spin_destroy(&morgue.spin);
103 module_init(threads_initialize);
104 module_exit(threads_shutdown);