/*** This file is part of PulseAudio. Copyright 2008 Lennart Poettering PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with PulseAudio; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. ***/ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include static void thread_func(void*k) { pa_assert_se(pa_autospawn_lock_init() >= 0); pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k)); pa_assert_se(pa_autospawn_lock_acquire(TRUE) > 0); pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k)); pa_msleep(5000); pa_log("%i, Releasing", PA_PTR_TO_INT(k)); pa_autospawn_lock_release(); pa_autospawn_lock_done(FALSE); } static void thread_func2(void *k) { int fd; pa_assert_se((fd = pa_autospawn_lock_init()) >= 0); pa_log("%i, Trying to acquire lock.", PA_PTR_TO_INT(k)); for (;;) { struct pollfd pollfd; int j; if ((j = pa_autospawn_lock_acquire(FALSE)) > 0) break; pa_assert(j == 0); memset(&pollfd, 0, sizeof(pollfd)); pollfd.fd = fd; pollfd.events = POLLIN; pa_assert_se(pa_poll(&pollfd, 1, -1) == 1); pa_log("%i, woke up", PA_PTR_TO_INT(k)); } pa_log("%i, Got the lock!, Sleeping for 5s", PA_PTR_TO_INT(k)); pa_msleep(5000); pa_log("%i, Releasing", PA_PTR_TO_INT(k)); pa_autospawn_lock_release(); pa_autospawn_lock_done(FALSE); } int main(int argc, char**argv) { pa_thread *a, *b, *c, *d; pa_assert_se((a = pa_thread_new("test1", thread_func, PA_INT_TO_PTR(1)))); pa_assert_se((b = pa_thread_new("test2", thread_func2, PA_INT_TO_PTR(2)))); pa_assert_se((c = pa_thread_new("test3", thread_func2, PA_INT_TO_PTR(3)))); pa_assert_se((d = pa_thread_new("test4", thread_func, PA_INT_TO_PTR(4)))); pa_thread_join(a); pa_thread_join(b); pa_thread_join(c); pa_thread_join(d); pa_thread_free(a); pa_thread_free(b); pa_thread_free(c); pa_thread_free(d); return 0; }