From: Dmitriy Vyukov <dvyukov@google.com>
Date: Tue, 13 Aug 2013 10:14:24 +0000 (+0400)
Subject: runtime: eliminate excessive notewakeup calls in timers
X-Git-Tag: go1.2rc2~634
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=d1b66439f91377bceee1dd190a0be6c8367f7268;p=gostls13.git

runtime: eliminate excessive notewakeup calls in timers
If the timer goroutine is wakeup by timeout,
other goroutines will still notewakeup because sleeping is still set.

R=golang-dev, r
CC=golang-dev
https://golang.org/cl/12763043
---

diff --git a/src/pkg/runtime/time.goc b/src/pkg/runtime/time.goc
index 4f20300ff1..6670b45ba9 100644
--- a/src/pkg/runtime/time.goc
+++ b/src/pkg/runtime/time.goc
@@ -175,6 +175,7 @@ timerproc(void)
 
 	for(;;) {
 		runtime·lock(&timers);
+		timers.sleeping = false;
 		now = runtime·nanotime();
 		for(;;) {
 			if(timers.len == 0) {