From e6be9481dcf1d9c675aa8881b473189c6c50081d Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 24 Mar 2009 20:59:54 +0100 Subject: only decrease timer slack, never increase --- src/pulsecore/rtclock.c | 16 ++++++++++------ 1 file changed, 10 insertions(+), 6 deletions(-) (limited to 'src/pulsecore') 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 -- cgit