This patch adds text to describe the PR_SET/GET_TIMERSLACK options. Signed-off-by: Geoff Smith <geoffx.smith@xxxxxxxxx> diff --git a/man2/prctl.2 b/man2/prctl.2 index 26d5e7e..798179b 100644 --- a/man2/prctl.2 +++ b/man2/prctl.2 @@ -262,6 +262,19 @@ the "securebits" flags of the calling thread. See .BR capabilities (7). .TP +.BR PR_SET_TIMERSLACK " (since Linux 2.6.32)" +Set the minimum permitted delay beyond the nominal value of +a timer timer expiration, i.e., explicitly allow the system to delay +extra time before returning from a timed-out operation such as +sleep(), select(), or poll(). The intent is to reduce the +overhead of timer operations and system wakeups for machines +that have a low-power sleep mode. The value is specified +in arg2, in nanoseconds. +.TP +.BR PR_GET_TIMERSLACK " (since Linux 2.6.32)" +Return the timer slack value in the location pointed to by +(unsigned long *) arg2. +.TP .BR PR_SET_TIMING " (since Linux 2.6.0-test4)" Set whether to use (normal, traditional) statistical process timing or accurate timestamp based process timing, by passing -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
