diff options
| author | Jamie Liu <jamieliu@google.com> | 2020-12-02 19:06:41 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-12-02 19:08:32 -0800 |
| commit | ed8bdf461b5f8093957a11f526032d42938af7ca (patch) | |
| tree | abb6be971535360397634f568d26c60a4696c0c1 /pkg/sleep/commit_noasm.go | |
| parent | bdaae08ee2b4834422d46cdfd292161e974e4d26 (diff) | |
Consolidate most synchronization primitive linknames in the sync package.
PiperOrigin-RevId: 345359823
Diffstat (limited to 'pkg/sleep/commit_noasm.go')
| -rw-r--r-- | pkg/sleep/commit_noasm.go | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/pkg/sleep/commit_noasm.go b/pkg/sleep/commit_noasm.go deleted file mode 100644 index f59061f37..000000000 --- a/pkg/sleep/commit_noasm.go +++ /dev/null @@ -1,33 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// +build !race -// +build !amd64,!arm64 - -package sleep - -import "sync/atomic" - -// commitSleep signals to wakers that the given g is now sleeping. Wakers can -// then fetch it and wake it. -// -// The commit may fail if wakers have been asserted after our last check, in -// which case they will have set s.waitingG to zero. -// -// It is written in assembly because it is called from g0, so it doesn't have -// a race context. -func commitSleep(g uintptr, waitingG *uintptr) bool { - // Try to store the G so that wakers know who to wake. - return atomic.CompareAndSwapUintptr(waitingG, preparingG, g) -} |