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authorgVisor bot <gvisor-bot@google.com>2019-12-07 07:14:19 +0000
committergVisor bot <gvisor-bot@google.com>2019-12-07 07:14:19 +0000
commit59aa51e3662d4142f29478cdce876f8516e2531b (patch)
tree05f0dca99ac15147f37a0658f3b4005aa407ca5f /pkg/syncutil/downgradable_rwmutex_unsafe.go
parentd98839394bb3f29840dfe57085fd1032258d6f09 (diff)
parent01eadf51ea54b8f478c49b755d712f11fff2b28c (diff)
Merge release-20191129.0-23-g01eadf5 (automated)
Diffstat (limited to 'pkg/syncutil/downgradable_rwmutex_unsafe.go')
-rwxr-xr-xpkg/syncutil/downgradable_rwmutex_unsafe.go5
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/syncutil/downgradable_rwmutex_unsafe.go b/pkg/syncutil/downgradable_rwmutex_unsafe.go
index 07feca402..51e11555d 100755
--- a/pkg/syncutil/downgradable_rwmutex_unsafe.go
+++ b/pkg/syncutil/downgradable_rwmutex_unsafe.go
@@ -3,7 +3,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-// +build go1.12
+// +build go1.13
// +build !go1.15
// Check go:linkname function signatures when updating Go version.
@@ -27,6 +27,9 @@ import (
//go:linkname runtimeSemacquire sync.runtime_Semacquire
func runtimeSemacquire(s *uint32)
+//go:linkname runtimeSemrelease sync.runtime_Semrelease
+func runtimeSemrelease(s *uint32, handoff bool, skipframes int)
+
// DowngradableRWMutex is identical to sync.RWMutex, but adds the DowngradeLock
// method.
type DowngradableRWMutex struct {