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[release-branch.go1.18] misc/cgo/testsanitizers: buffer the signal channel in TestTSAN/tsan11 

This fix is analogous to the one in CL 407888.

'go vet' catches the error, but it is not run on this file because the
file is (only) compiled when running testsanitizers/TestTSAN.

Fixes #53115.
Updates #53113.

Change-Id: I74f7b7390a9775ff00a06214c1019ba28846dd11
Reviewed-on: https://go-review.googlesource.com/c/go/+/409094
Auto-Submit: Bryan Mills <bcmills@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Bryan Mills <bcmills@google.com>
(cherry picked from commit 0f57c88bce)
Reviewed-on: https://go-review.googlesource.com/c/go/+/408823
Reviewed-by: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Bryan C. Mills 2022-05-27 11:42:59 -04:00 committed by Dmitri Shuralyov
parent a34f420774
commit da608a20ed
1 changed files with 1 additions and 1 deletions
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2
misc/cgo/testsanitizers/testdata/tsan11.go vendored
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@ -45,7 +45,7 @@ static void register_handler(int signo) {
import "C"
func main() {
ch := make(chan os.Signal)
ch := make(chan os.Signal, 1)
signal.Notify(ch, syscall.SIGUSR2)
C.register_handler(C.int(syscall.SIGUSR1))