runtime: handle timer overflow in tsleep
Make sure we never pass a timer into timerproc with
a negative duration since it will cause other timers
to never expire.
Fixes #5321.
R=golang-dev, minux.ma, remyoudompheng, mikioh.mikioh, r, bradfitz, rsc, dvyukov
CC=golang-dev
https://golang.org/cl/9035047
diff --git a/src/pkg/time/sleep_test.go b/src/pkg/time/sleep_test.go
index d21b9cc..4687259 100644
--- a/src/pkg/time/sleep_test.go
+++ b/src/pkg/time/sleep_test.go
@@ -396,3 +396,9 @@
timer.Stop()
t.Error("Should be unreachable.")
}
+
+func TestOverflowRuntimeTimer(t *testing.T) {
+ if err := CheckRuntimeTimerOverflow(); err != nil {
+ t.Fatalf(err.Error())
+ }
+}
