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authorkevin.xu <cming.xu@gmail.com>2020-04-27 21:51:31 +0800
committerGitHub <noreply@github.com>2020-04-27 21:51:31 +0800
commite896ca54db67524afc20b644d43c72185e72dc0e (patch)
tree2a16f3a62a5cafd098f1f028c621f1b655589d69 /pkg/sleep/commit_noasm.go
parent1f19624fa127d7d59cabe29593cc80b7fe6c81f8 (diff)
parent3c67754663f424f2ebbc0ff2a4c80e30618d5355 (diff)
Merge pull request #1 from google/master
catch up
Diffstat (limited to 'pkg/sleep/commit_noasm.go')
-rw-r--r--pkg/sleep/commit_noasm.go13
1 files changed, 2 insertions, 11 deletions
diff --git a/pkg/sleep/commit_noasm.go b/pkg/sleep/commit_noasm.go
index 3af447fb9..f59061f37 100644
--- a/pkg/sleep/commit_noasm.go
+++ b/pkg/sleep/commit_noasm.go
@@ -28,15 +28,6 @@ import "sync/atomic"
// 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 {
- for {
- // Check if the wait was aborted.
- if atomic.LoadUintptr(waitingG) == 0 {
- return false
- }
-
- // Try to store the G so that wakers know who to wake.
- if atomic.CompareAndSwapUintptr(waitingG, preparingG, g) {
- return true
- }
- }
+ // Try to store the G so that wakers know who to wake.
+ return atomic.CompareAndSwapUintptr(waitingG, preparingG, g)
}