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authorLennart Poettering <lennart@poettering.net>2009-03-24 20:59:54 +0100
committerLennart Poettering <lennart@poettering.net>2009-03-24 20:59:54 +0100
commite6be9481dcf1d9c675aa8881b473189c6c50081d (patch)
tree9e1df08c4e3504a23ac05b7b3a77120aaf7aca04 /src/pulsecore
parentbcbfd5b9835ca2e7d00cd3f2ca090bcfea182451 (diff)
only decrease timer slack, never increase
Diffstat (limited to 'src/pulsecore')
-rw-r--r--src/pulsecore/rtclock.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/src/pulsecore/rtclock.c b/src/pulsecore/rtclock.c
index 56ab2ef0..65c826a6 100644
--- a/src/pulsecore/rtclock.c
+++ b/src/pulsecore/rtclock.c
@@ -95,6 +95,8 @@ pa_bool_t pa_rtclock_hrtimer(void) {
#endif
}
+#define TIMER_SLACK_NS (int) ((500 * PA_NSEC_PER_USEC))
+
void pa_rtclock_hrtimer_enable(void) {
#ifdef PR_SET_TIMERSLACK
int slack_ns;
@@ -104,15 +106,17 @@ void pa_rtclock_hrtimer_enable(void) {
return;
}
- pa_log_debug("Timer slack set to %i us.", slack_ns/1000);
+ pa_log_debug("Timer slack is set to %i us.", (int) (slack_ns/PA_NSEC_PER_USEC));
- slack_ns = 500000000;
+ if (slack_ns > TIMER_SLACK_NS) {
+ slack_ns = TIMER_SLACK_NS;
- pa_log_debug("Setting timer slack to %i us.", slack_ns/1000);
+ pa_log_debug("Setting timer slack to %i us.", (int) (slack_ns/PA_NSEC_PER_USEC));
- if (prctl(PR_SET_TIMERSLACK, slack_ns, 0, 0, 0) < 0) {
- pa_log_warn("PR_SET_TIMERSLACK failed: %s", pa_cstrerror(errno));
- return;
+ if (prctl(PR_SET_TIMERSLACK, slack_ns, 0, 0, 0) < 0) {
+ pa_log_warn("PR_SET_TIMERSLACK failed: %s", pa_cstrerror(errno));
+ return;
+ }
}
#endif