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/***
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 <config.h>
#endif
#include <sys/poll.h>
#include <string.h>
#include <pulsecore/macro.h>
#include <pulsecore/thread.h>
#include <pulsecore/lock-autospawn.h>
#include <pulse/util.h>
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(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);
pa_log("End");
return 0;
}
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