From b61a5ce81e17c77c4a8e9869f33d41f6facc6a9d Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Tue, 1 Jul 2008 07:39:10 -0400
Subject: libdraw: do not let devdraw fork, for OS X

---
 src/libdraw/drawclient.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/libdraw')

diff --git a/src/libdraw/drawclient.c b/src/libdraw/drawclient.c
index 5e9c950d..f3c42b80 100644
--- a/src/libdraw/drawclient.c
+++ b/src/libdraw/drawclient.c
@@ -42,8 +42,12 @@ _displayconnect(Display *d)
 		 * The argv0 has no meaning to devdraw.
 		 * Pass it along only so that the various
 		 * devdraws in psu -a can be distinguished.
+		 * The NOLIBTHREADDAEMONIZE keeps devdraw from
+		 * forking before threadmain. OS X hates it when
+		 * guis fork.
 		 */
-		execl("devdraw", argv0, argv0, nil);
+		putenv("NOLIBTHREADDAEMONIZE", "1");
+		execl("devdraw", argv0, argv0, "(devdraw)", nil);
 		sysfatal("exec devdraw: %r");
 	}
 	close(p[1]);
-- 
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