close custom commands with SIGINT again (#495)

internal/core/rtsp_server_test.go

@@ -719,7 +719,7 @@ func TestRTSPServerFallback(t *testing.T) {
 func TestRTSPServerRunOnDemand(t *testing.T) {
 	doneFile := filepath.Join(os.TempDir(), "ondemand_done")
 	onDemandFile, err := writeTempFile([]byte(fmt.Sprintf(`#!/bin/sh
-trap 'touch %s; [ -z "$(jobs -p)" ] || kill $(jobs -p)' QUIT
+trap 'touch %s; [ -z "$(jobs -p)" ] || kill $(jobs -p)' INT
 ffmpeg -hide_banner -loglevel error -re `+
 		`-i ../../testimages/ffmpeg/emptyvideo.mkv -c copy -f rtsp rtsp://localhost:$RTSP_PORT/$RTSP_PATH &
 wait

internal/externalcmd/cmd_unix.go

@@ -32,7 +32,7 @@ func (e *Cmd) runInner() bool {
 
 	select {
 	case <-e.terminate:
-		syscall.Kill(cmd.Process.Pid, syscall.SIGQUIT)
+		syscall.Kill(cmd.Process.Pid, syscall.SIGINT)
 		<-cmdDone
 		return false