mirror of
https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git
synced 2025-11-18 06:59:57 -05:00
5effc83479
FSF addresses used in PA sources are no longer valid and rpmlint generates numerous warnings during packaging because of this. This patch changes all FSF addresses to FSF web page according to the GPL how-to: https://www.gnu.org/licenses/gpl-howto.en.html Done automatically by sed-ing through sources.
128 lines
3.1 KiB
C
128 lines
3.1 KiB
C
/***
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This file is part of PulseAudio.
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Copyright 2008 Lennart Poettering
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PulseAudio is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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PulseAudio is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
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***/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <time.h>
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#include <inttypes.h>
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#ifdef HAVE_PTHREAD
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#include <pthread.h>
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#ifdef HAVE_PTHREAD_SETAFFINITY_NP
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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#ifdef __FreeBSD__
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#include <pthread_np.h>
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#endif
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#include <sys/param.h>
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#include <sys/cpuset.h>
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#endif
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#endif
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#endif
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#include <pulse/util.h>
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#include <pulse/timeval.h>
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#include <pulse/gccmacro.h>
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#include <pulsecore/log.h>
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#include <pulsecore/macro.h>
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#include <pulsecore/thread.h>
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#include <pulsecore/core-util.h>
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#include <pulsecore/core-rtclock.h>
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static int msec_lower, msec_upper;
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static void work(void *p) PA_GCC_NORETURN;
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static void work(void *p) {
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pa_log_notice("CPU%i: Created thread.", PA_PTR_TO_UINT(p));
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pa_make_realtime(12);
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#ifdef HAVE_PTHREAD_SETAFFINITY_NP
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{
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#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
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cpuset_t mask;
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#else
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cpu_set_t mask;
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#endif
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CPU_ZERO(&mask);
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CPU_SET((size_t) PA_PTR_TO_UINT(p), &mask);
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pa_assert_se(pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) == 0);
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}
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#endif
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for (;;) {
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struct timeval now, end;
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uint64_t usec;
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pa_log_notice("CPU%i: Sleeping for 1s", PA_PTR_TO_UINT(p));
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pa_msleep(1000);
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usec =
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(uint64_t) ((((double) rand())*(double)(msec_upper-msec_lower)*PA_USEC_PER_MSEC)/RAND_MAX) +
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(uint64_t) ((uint64_t) msec_lower*PA_USEC_PER_MSEC);
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pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_UINT(p), (int) (usec/PA_USEC_PER_MSEC));
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pa_rtclock_get(&end);
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pa_timeval_add(&end, usec);
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do {
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pa_rtclock_get(&now);
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} while (pa_timeval_cmp(&now, &end) < 0);
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}
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}
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int main(int argc, char*argv[]) {
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unsigned n;
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pa_log_set_level(PA_LOG_INFO);
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srand((unsigned) time(NULL));
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if (argc >= 3) {
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msec_lower = atoi(argv[1]);
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msec_upper = atoi(argv[2]);
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} else if (argc >= 2) {
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msec_lower = 0;
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msec_upper = atoi(argv[1]);
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} else {
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msec_lower = 0;
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msec_upper = 1000;
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}
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pa_assert(msec_upper > 0);
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pa_assert(msec_upper >= msec_lower);
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pa_log_notice("Creating random latencies in the range of %ims to %ims.", msec_lower, msec_upper);
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for (n = 1; n < pa_ncpus(); n++) {
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pa_assert_se(pa_thread_new("rtstutter", work, PA_UINT_TO_PTR(n)));
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}
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work(PA_INT_TO_PTR(0));
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return 0;
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}
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