From 94184f1065b44d94c207ee75105695de5edc2fd9 Mon Sep 17 00:00:00 2001
From: Johannes Hofmann <Johannes.Hofmann@gmx.de>
Date: Fri, 14 Jul 2006 15:16:12 +0200
Subject: don't die on SIGPIPE if gs has a problem (reported by A Mennucc)

---
 src/GsWidget.cxx | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/GsWidget.cxx b/src/GsWidget.cxx
index 5741be6..eeefd90 100644
--- a/src/GsWidget.cxx
+++ b/src/GsWidget.cxx
@@ -272,23 +272,30 @@ GsWidget::load_page(int p) {
 int GsWidget::fd_copy(int to, int from, size_t len) {
   size_t n, r;
   char buf[1024];
+  int ret = 0;
+
+  signal(SIGPIPE, SIG_IGN); // don't die if gs has a problem
 
   n = 0;
   while(len > 0) {
-    Fl::check(); // let fltk do its stuff - otherwise
-                 // gs can't get the GHOSTVIEW property
+
+    Fl::check(); // let fltk do its stuff 
+
     r = read(from, buf, MIN(sizeof(buf), len));
 
     if (r < 0) {
       perror("read");
-      return 1;
+      ret = 1;
+      break;
     }
 
     write(to, buf, r);
     len -= r;
   }
 
-  return 0;
+  signal(SIGPIPE, SIG_DFL);
+
+  return ret;
 }
 
 void GsWidget::exec_gs() {
-- 
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