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-rw-r--r--pkg/sleep/sleep_unsafe.go10
1 files changed, 8 insertions, 2 deletions
diff --git a/pkg/sleep/sleep_unsafe.go b/pkg/sleep/sleep_unsafe.go
index 62e0abc34..0526f52de 100644
--- a/pkg/sleep/sleep_unsafe.go
+++ b/pkg/sleep/sleep_unsafe.go
@@ -12,6 +12,9 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+// +build go1.11
+// +build !go1.13
+
// Package sleep allows goroutines to efficiently sleep on multiple sources of
// notifications (wakers). It offers O(1) complexity, which is different from
// multi-channel selects which have O(n) complexity (where n is the number of
@@ -85,7 +88,7 @@ var (
)
//go:linkname gopark runtime.gopark
-func gopark(unlockf func(uintptr, *uintptr) bool, wg *uintptr, reason string, traceEv byte, traceskip int)
+func gopark(unlockf func(uintptr, *uintptr) bool, wg *uintptr, reason uint8, traceEv byte, traceskip int)
//go:linkname goready runtime.goready
func goready(g uintptr, traceskip int)
@@ -179,7 +182,10 @@ func (s *Sleeper) nextWaker(block bool) *Waker {
// commitSleep to decide whether to immediately
// wake the caller up or to leave it sleeping.
const traceEvGoBlockSelect = 24
- gopark(commitSleep, &s.waitingG, "sleeper", traceEvGoBlockSelect, 0)
+ // See:runtime2.go in the go runtime package for
+ // the values to pass as the waitReason here.
+ const waitReasonSelect = 9
+ gopark(commitSleep, &s.waitingG, waitReasonSelect, traceEvGoBlockSelect, 0)
}
// Pull the shared list out and reverse it in the local