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terminal: helpful message in SIGINT handler (#486)

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Our handling of SIGINT is confusing to people that expect SIGINT to be
delivered to inferior when they press ^C (see #483 for example).
Let's make an effort to point out what's happening and how one can send
SIGINT to inferior.
This commit is contained in:
Alessandro Arzilli 2016-04-24 19:27:25 +02:00 committed by Derek Parker
parent f7e403abcf
commit 38127e5a00
1 changed files with 1 additions and 0 deletions
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terminal/terminal.go
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@ -72,6 +72,7 @@ func (t *Term) Run() (int, error) {
signal.Notify(ch, syscall.SIGINT) signal.Notify(ch, syscall.SIGINT)
go func() { go func() {
for range ch { for range ch {
fmt.Printf("recieved SIGINT, stopping process (will not forward signal)")
_, err := t.client.Halt() _, err := t.client.Halt()
if err != nil { if err != nil {
fmt.Fprintf(os.Stderr, "%v", err) fmt.Fprintf(os.Stderr, "%v", err)