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cmd/go: add comment about SIGUSR2 on iOS 

Missing from CL 34926.

Change-Id: I4a046440c30811f26da53bee0e853dae3b0ac57a
Reviewed-on: https://go-review.googlesource.com/35123
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
David Crawshaw 2017-01-12 10:49:35 -05:00
parent 333f764df3
commit 4f0aac52d9
1 changed files with 4 additions and 0 deletions
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4
src/cmd/go/test.go
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@ -1531,6 +1531,10 @@ func coverRegisterFile(fileName string, counter []uint32, pos []uint32, numStmts
func main() {
{{if .IsIOS}}
// Send a SIGUSR2, which will be intercepted by LLDB to
// tell the test harness that installation was successful,
// and to give the exec script a chance set the current
// working directory. See misc/ios/go_darwin_arm_exec.go.
signal.Notify(make(chan os.Signal), syscall.SIGUSR2)
syscall.Kill(0, syscall.SIGUSR2)
signal.Reset(syscall.SIGUSR2)