From 5205bc7e583f90e5a5855a69de26a0baa888cbdf Mon Sep 17 00:00:00 2001 From: gVisor bot Date: Tue, 11 Feb 2020 20:35:55 -0800 Subject: Simplify atomic operations PiperOrigin-RevId: 294582802 --- pkg/sleep/commit_noasm.go | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) (limited to 'pkg/sleep/commit_noasm.go') 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) } -- cgit v1.2.3