From 23da4f40ea27afe998e92ca317f2dcb48a6ffc1f Mon Sep 17 00:00:00 2001
From: Tommi Rantala <tommi.t.rantala@nokia.com>
Date: Mon, 11 Oct 2021 13:33:18 +0300
Subject: [PATCH] ps: ignore SIGURG

Stop registering signal handler for SIGURG, to avoid ps failure if
someone sends such signal. Without the signal handler, SIGURG will
just be ignored.

  Signal 23 (URG) caught by ps (3.3.16).
  ps:ps/display.c:66: please report this bug

https://man7.org/linux/man-pages/man7/signal.7.html
https://www.freebsd.org/cgi/man.cgi?sektion=3&query=signal
---
 ps/display.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ps/display.c b/ps/display.c
index 04803c3b..346e21a7 100644
--- a/ps/display.c
+++ b/ps/display.c
@@ -673,6 +673,7 @@ int main(int argc, char *argv[]){
     case SIGKILL:  /* can not catch */
     case SIGSTOP:  /* can not catch */
     case SIGWINCH: /* don't care if window size changes */
+    case SIGURG:   /* Urgent condition on socket (4.2BSD) */
       ;
     }
   } while (0);