plan9port

commit 7e9e092da8d0c91c8075d9f0a4b1700de8f46753
parent 1d620367bd070f2eae99a70f8537c701a737650a
Author: rsc <devnull@localhost>
Date:   Mon,  2 May 2005 04:20:14 +0000

Correct putsnarf-then-getsnarf race.

Diffstat:
M
src/libdraw/x11-itrans.c
 | 
6
++++++

1 file changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/libdraw/x11-itrans.c b/src/libdraw/x11-itrans.c
@@ -375,6 +375,12 @@ _xgetsnarf(XDisplay *xd)
 
 	qlock(&clip.lk);
 	/*
+	 * Have we snarfed recently and the X server hasn't caught up?
+	 */
+	if(_x.putsnarf != _x.assertsnarf)
+		goto mine;
+
+	/*
 	 * Is there a primary selection (highlighted text in an xterm)?
 	 */
 	clipboard = XA_PRIMARY;