Test suspend code

cmd/micro/actions.go

@@ -837,6 +837,8 @@ func (v *View) Find(usePlugin bool) bool {
 	return true
 }
 
+func (v *View) Suspend(usePlugin bool) bool { return false }
+
 // FindNext searches forwards for the last used search term
 func (v *View) FindNext(usePlugin bool) bool {
 	if usePlugin && !PreActionCall("FindNext", v) {

cmd/micro/actions_linux.go

@@ -0,0 +1,33 @@
+package main
+
+import "syscall"
+
+func (v *View) Suspend(usePlugin bool) bool {
+	if usePlugin && !PreActionCall("Suspend", v) {
+		return false
+	}
+
+	screenWasNil := screen == nil
+
+	if !screenWasNil {
+		screen.Fini()
+		screen = nil
+	}
+
+	// suspend the process
+	pid := syscall.Getpid()
+	tid := syscall.Gettid()
+	err := syscall.Tgkill(pid, tid, syscall.SIGSTOP)
+	if err != nil {
+		panic(err)
+	}
+
+	if !screenWasNil {
+		InitScreen()
+	}
+
+	if usePlugin {
+		return PostActionCall("Suspend", v)
+	}
+	return true
+}