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 #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>
This commit is contained in:
Bryan C. Mills 2022-05-27 11:42:59 -04:00 committed by Gopher Robot
parent 42f1b37b7b
commit 0f57c88bce

View file

@ -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))