[GRASS-SVN] r40532 - grass/trunk/lib/gis

[svn_grass at osgeo.org]

Author: huhabla
Date: 2010-01-18 10:02:10 -0500 (Mon, 18 Jan 2010)
New Revision: 40532

Modified:
   grass/trunk/lib/gis/error.c
Log:
In G_fatal_error(): raise SIGSEGV if environment variable GRASS_SIGSEGV_ON_ERROR is set.

Modified: grass/trunk/lib/gis/error.c
===================================================================
--- grass/trunk/lib/gis/error.c	2010-01-18 14:27:06 UTC (rev 40531)
+++ grass/trunk/lib/gis/error.c	2010-01-18 15:02:10 UTC (rev 40532)
@@ -17,10 +17,10 @@
 #include <unistd.h>
 #include <time.h>
 #include <stdarg.h>
+#include <signal.h>
 #include <sys/types.h>
 #include <grass/glocale.h>
 #include <grass/gis.h>
-
 /*!
  * \def MSG
  *
@@ -159,6 +159,13 @@
 
     G__call_error_handlers();
 
+    /* Raise SIGSEGV, useful for debugging only.
+     * Type "export GRASS_SIGSEGV_ON_ERROR=1"
+     * to enable this feature using bash.
+     */
+    if (getenv("GRASS_SIGSEGV_ON_ERROR"))
+        raise(SIGSEGV);
+
     exit(EXIT_FAILURE);
 }