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Code Issues Releases Wiki Activity

osdep/timer-linux: check clock availability on init

This commit is contained in:
Kacper Michajłow 2023-10-28 21:17:28 +02:00 committed by Dudemanguy
parent 468b9bede7
commit 0a6c179026
1 changed files with 21 additions and 6 deletions
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27
osdep/timer-linux.c
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@ -18,10 +18,15 @@
* License along with mpv. If not, see <http://www.gnu.org/licenses/>. * License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/ */
#include <errno.h>
#include <stdlib.h> #include <stdlib.h>
#include <time.h> #include <time.h>
#include "common/common.h"
#include "timer.h" #include "timer.h"
static clockid_t clk_id;
void mp_sleep_ns(int64_t ns) void mp_sleep_ns(int64_t ns)
{ {
if (ns < 0) if (ns < 0)
@ -35,15 +40,25 @@ void mp_sleep_ns(int64_t ns)
uint64_t mp_raw_time_ns(void) uint64_t mp_raw_time_ns(void)
{ {
struct timespec tp = {0}; struct timespec tp = {0};
int ret = -1; clock_gettime(clk_id, &tp);
#if defined(CLOCK_MONOTONIC_RAW)
ret = clock_gettime(CLOCK_MONOTONIC_RAW, &tp);
#endif
if (ret)
clock_gettime(CLOCK_MONOTONIC, &tp);
return MP_TIME_S_TO_NS(tp.tv_sec) + tp.tv_nsec; return MP_TIME_S_TO_NS(tp.tv_sec) + tp.tv_nsec;
} }
void mp_raw_time_init(void) void mp_raw_time_init(void)
{ {
static const clockid_t clock_ids[] = {
#ifdef CLOCK_MONOTONIC_RAW
CLOCK_MONOTONIC_RAW,
#endif
CLOCK_MONOTONIC,
};
struct timespec tp;
for (int i = 0; i < MP_ARRAY_SIZE(clock_ids); ++i) {
clk_id = clock_ids[i];
if (!clock_gettime(clk_id, &tp))
return;
}
fputs("No clock source available!\n", stderr);
abort();
} }