From 24a63041952426af1f562d1e99014b2ebcd8c326 Mon Sep 17 00:00:00 2001
From: espen <espen>
Date: Wed, 20 Jun 2007 14:28:48 +0000
Subject: [PATCH] Fixed problem cause by SB-UNIX:UNIX-FAST-SELECT returning NIL
 sometimes

---
 gtk/gtk.lisp | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/gtk/gtk.lisp b/gtk/gtk.lisp
index 4b19e1c..844f41a 100644
--- a/gtk/gtk.lisp
+++ b/gtk/gtk.lisp
@@ -20,7 +20,7 @@
 ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
-;; $Id: gtk.lisp,v 1.74 2007-06-20 10:19:47 espen Exp $
+;; $Id: gtk.lisp,v 1.75 2007-06-20 14:28:48 espen Exp $
 
 
 (in-package "GTK")
@@ -88,12 +88,14 @@
       (sb-unix:fd-zero read-fds)
       (sb-unix:fd-set fd read-fds)
 
-      (unless (zerop (sb-unix:unix-fast-select 
-		      (1+ fd) (sb-alien:addr read-fds) nil nil 
-		      seconds microseconds))
-	(if (peek-char nil (car socket) nil)
-	    :input
-	  :eof)))))
+      (let ((num-fds-changed
+	     (sb-unix:unix-fast-select
+	      (1+ fd) (sb-alien:addr read-fds) nil nil 
+	      seconds microseconds)))
+	(unless (or (not num-fds-changed) (zerop num-fds-changed))
+	  (if (peek-char nil (car socket) nil)
+	      :input
+	    :eof))))))
 
 (defun %init-async-event-handling (display)
   (let ((style #?(or (featurep :cmu) (sbcl< 1 0 6)) :fd-handler
-- 
2.11.0