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runtime: convert g.selectDone to atomic type

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On the write side, g.selectDone has been converted
from non-atomic to atomic access.

For #53821.

Change-Id: Iac46bc6acce7eed51dfd990285dd57f0d58b4ae2
Reviewed-on: https://go-review.googlesource.com/c/go/+/425414
Run-TryBot: hopehook <hopehook@qq.com>
Reviewed-by: Michael Pratt <mpratt@google.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
hopehook 2022-08-25 09:42:30 +08:00 • committed by Michael Knyszek
parent 7a1ae605eb
commit 951d2c657d
3 changed files with 3 additions and 3 deletions
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2
src/runtime/runtime2.go
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@ -487,7 +487,7 @@ type g struct {
cgoCtxt []uintptr // cgo traceback context
labels unsafe.Pointer // profiler labels
timer *timer // cached timer for time.Sleep
selectDone uint32 // are we participating in a select and did someone win the race?
selectDone atomic.Uint32 // are we participating in a select and did someone win the race?
// goroutineProfiled indicates the status of this goroutine's stack for the
// current in-progress goroutine profile