Terminate file playback process groups

fileplayback/process_unix.go

@@ -0,0 +1,19 @@
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+
+package fileplayback
+
+import (
+	"os/exec"
+	"syscall"
+)
+
+func configureProcessGroup(cmd *exec.Cmd) {
+	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}
+}
+
+func terminateProcessGroup(cmd *exec.Cmd) {
+	if cmd == nil || cmd.Process == nil {
+		return
+	}
+	_ = syscall.Kill(-cmd.Process.Pid, syscall.SIGKILL)
+}