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$NetBSD: patch-unix_uxpgnt.c,v 1.3 2020/07/30 13:32:33 tnn Exp $
BSD setpgrp has parameters. POSIX says it is undefined whether
setpgrp(0,0) == setpgrp() and it should use setpgid.
--- unix/uxpgnt.c.orig 2020-06-21 17:30:49.000000000 +0000
+++ unix/uxpgnt.c
@@ -240,7 +240,7 @@ void pageant_fork_and_print_env(bool ret
/* Get out of our previous process group, to avoid being
* blasted by passing signals. But keep our controlling tty,
* so we can keep checking to see if we still have one. */
- setpgrp();
+ setpgid(0, 0);
} else {
/* Do that, but also leave our entire session and detach from
* the controlling tty (if any). */
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