#! /bin/sh /usr/share/dpatch/dpatch-run
## pdftops-wait-eintr.dpatch by  <mpitt@debian.org>
##
## DP: Handle EINTR in pdftops' wait() call.

@DPATCH@
diff -urNad trunk~/filter/pdftops.c trunk/filter/pdftops.c
--- trunk~/filter/pdftops.c	2008-04-02 02:54:45.000000000 +0200
+++ trunk/filter/pdftops.c	2008-04-02 02:54:59.000000000 +0200
@@ -28,6 +28,7 @@
 #include <cups/i18n.h>
 #include <signal.h>
 #include <sys/wait.h>
+#include <errno.h>
 
 
 /*
@@ -62,6 +63,7 @@
   char		*pdfargv[100],		/* Arguments for pdftops */
 		pdfwidth[255],		/* Paper width */
 		pdfheight[255];		/* Paper height */
+  pid_t		child;			/* wait() result */
 #if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
   struct sigaction action;		/* Actions for POSIX signals */
 #endif /* HAVE_SIGACTION && !HAVE_SIGSET */
@@ -260,8 +262,13 @@
    /*
     * Parent comes here...
     */
+ 
+    do
+    {
+      child = wait(&pdfstatus);
+    } while (child < 0 && errno == EINTR);
 
-    if (wait(&pdfstatus) != pdfpid)
+    if (child != pdfpid)
     {
       kill(pdfpid, SIGTERM);
       pdfstatus = 1;