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
+ 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
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
-#include <sched.h>
#include <inttypes.h>
-#include <string.h>
+
+#ifdef HAVE_PTHREAD
#include <pthread.h>
+#ifdef HAVE_PTHREAD_SETAFFINITY_NP
+#if defined(__FreeBSD__)
+#include <pthread_np.h>
+#include <sys/param.h>
+#include <sys/cpuset.h>
+#endif
+#endif
+#endif
+#include <pulse/util.h>
#include <pulse/timeval.h>
#include <pulse/gccmacro.h>
#include <pulsecore/log.h>
#include <pulsecore/macro.h>
+#include <pulsecore/thread.h>
+#include <pulsecore/core-util.h>
+#include <pulsecore/core-rtclock.h>
static int msec_lower, msec_upper;
-static void* work(void *p) PA_GCC_NORETURN;
+static void work(void *p) PA_GCC_NORETURN;
-static void* work(void *p) {
- cpu_set_t mask;
- struct sched_param param;
+static void work(void *p) {
- pa_log_notice("CPU%i: Created thread.", PA_PTR_TO_INT(p));
+ pa_log_notice("CPU%i: Created thread.", PA_PTR_TO_UINT(p));
- memset(¶m, 0, sizeof(param));
- param.sched_priority = 12;
- pa_assert_se(pthread_setschedparam(pthread_self(), SCHED_FIFO, ¶m) == 0);
+ pa_make_realtime(12);
+
+#ifdef HAVE_PTHREAD_SETAFFINITY_NP
+{
+#ifdef __FreeBSD__
+ cpuset_t mask;
+#else
+ cpu_set_t mask;
+#endif
CPU_ZERO(&mask);
- CPU_SET(PA_PTR_TO_INT(p), &mask);
+ CPU_SET((size_t) PA_PTR_TO_UINT(p), &mask);
pa_assert_se(pthread_setaffinity_np(pthread_self(), sizeof(mask), &mask) == 0);
+}
+#endif
for (;;) {
- struct timespec now, end;
- uint64_t nsec;
+ struct timeval now, end;
+ uint64_t usec;
- pa_log_notice("CPU%i: Sleeping for 1s", PA_PTR_TO_INT(p));
- sleep(1);
+ pa_log_notice("CPU%i: Sleeping for 1s", PA_PTR_TO_UINT(p));
+ pa_msleep(1000);
- pa_assert_se(clock_gettime(CLOCK_REALTIME, &end) == 0);
+ usec =
+ (uint64_t) ((((double) rand())*(double)(msec_upper-msec_lower)*PA_USEC_PER_MSEC)/RAND_MAX) +
+ (uint64_t) ((uint64_t) msec_lower*PA_USEC_PER_MSEC);
- nsec =
- (uint64_t) ((((double) rand())*(msec_upper-msec_lower)*PA_NSEC_PER_MSEC)/RAND_MAX) +
- (uint64_t) (msec_lower*PA_NSEC_PER_MSEC);
+ pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_UINT(p), (int) (usec/PA_USEC_PER_MSEC));
- pa_log_notice("CPU%i: Freezing for %ims", PA_PTR_TO_INT(p), (int) (nsec/PA_NSEC_PER_MSEC));
-
- end.tv_sec += nsec / PA_NSEC_PER_SEC;
- end.tv_nsec += nsec % PA_NSEC_PER_SEC;
-
- while ((pa_usec_t) end.tv_nsec > PA_NSEC_PER_SEC) {
- end.tv_sec++;
- end.tv_nsec -= PA_NSEC_PER_SEC;
- }
+ pa_rtclock_get(&end);
+ pa_timeval_add(&end, usec);
do {
- pa_assert_se(clock_gettime(CLOCK_REALTIME, &now) == 0);
- } while (now.tv_sec < end.tv_sec ||
- (now.tv_sec == end.tv_sec && now.tv_nsec < end.tv_nsec));
+ pa_rtclock_get(&now);
+ } while (pa_timeval_cmp(&now, &end) < 0);
}
}
int main(int argc, char*argv[]) {
- int n;
+ unsigned n;
+
+ pa_log_set_level(PA_LOG_INFO);
- srand(time(NULL));
+ srand((unsigned) time(NULL));
if (argc >= 3) {
msec_lower = atoi(argv[1]);
pa_assert(msec_upper > 0);
pa_assert(msec_upper >= msec_lower);
- pa_log_notice("Creating random latencies in the range of %ims to %ims.", msec_lower, msec_upper);
+ pa_log_notice("Creating random latencies in the range of %ims to %ims.", msec_lower, msec_upper);
- for (n = 1; n < sysconf(_SC_NPROCESSORS_CONF); n++) {
- pthread_t t;
- pa_assert_se(pthread_create(&t, NULL, work, PA_INT_TO_PTR(n)) == 0);
+ for (n = 1; n < pa_ncpus(); n++) {
+ pa_assert_se(pa_thread_new("rtstutter", work, PA_UINT_TO_PTR(n)));
}
work(PA_INT_TO_PTR(0));