From cb1ec995d1877629c938414ddd406d68d06313bd Mon Sep 17 00:00:00 2001
From: Davin McCall <davmac@davmac.org>
Date: Thu, 23 Jun 2016 21:25:36 +0100
Subject: [PATCH] Ignore SIGTSTP (^Z) for run-on-console processes. We don't
 want to be job control shell.

---
 src/service.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/service.cc b/src/service.cc
index 490abd9..5b10443 100644
--- a/src/service.cc
+++ b/src/service.cc
@@ -738,15 +738,17 @@ bool ServiceRecord::start_ps_process(const std::vector<const char *> &cmd, bool
         }
         else {
             // "run on console" - run as a foreground job on the terminal/console device
+            
             if (do_set_ctty) {
+                // Disable suspend (^Z) (and on some systems, delayed suspend / ^Y)
+                signal(SIGTSTP, SIG_IGN);
+                
+                // Become session leader
                 setsid();
                 ioctl(0, TIOCSCTTY, 0);
             }
             setpgid(0,0);
             tcsetpgrp(0, getpgrp());
-            
-            // TODO disable suspend (^Z)? (via tcsetattr)
-            //      (should be done before TIOCSCTTY)
         }
 
         execvp(exec_arg_parts[0], const_cast<char **>(args));
-- 
2.25.1