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/***
This file is part of PulseAudio.
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 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 <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <pulse/util.h>
#include <pulse/xmalloc.h>
#include <pulsecore/flist.h>
#include <pulsecore/thread.h>
#include <pulsecore/log.h>
#include <pulsecore/core-util.h>
#define THREADS_MAX 20
static pa_flist *flist;
static int quit = 0;
static void spin(void) {
int k;
/* Spin a little */
k = rand() % 10000;
for (; k > 0; k--)
pa_thread_yield();
}
static void thread_func(void *data) {
char *s = data;
int n = 0;
int b = 1;
while (!quit) {
char *text;
/* Allocate some memory, if possible take it from the flist */
if (b && (text = pa_flist_pop(flist)))
pa_log("%s: popped '%s'", s, text);
else {
text = pa_sprintf_malloc("Block %i, allocated by %s", n++, s);
pa_log("%s: allocated '%s'", s, text);
}
b = !b;
spin();
/* Give it back to the flist if possible */
if (pa_flist_push(flist, text) < 0) {
pa_log("%s: failed to push back '%s'", s, text);
pa_xfree(text);
} else
pa_log("%s: pushed", s);
spin();
}
if (pa_flist_push(flist, s) < 0)
pa_xfree(s);
}
int main(int argc, char* argv[]) {
pa_thread *threads[THREADS_MAX];
int i;
flist = pa_flist_new(0);
for (i = 0; i < THREADS_MAX; i++) {
threads[i] = pa_thread_new(thread_func, pa_sprintf_malloc("Thread #%i", i+1));
assert(threads[i]);
}
pa_msleep(60000);
quit = 1;
for (i = 0; i < THREADS_MAX; i++)
pa_thread_free(threads[i]);
pa_flist_free(flist, pa_xfree);
return 0;
}
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