From fb2d1502bb0893f2aaccb49fb39521974078d96a Mon Sep 17 00:00:00 2001
From: paul <paul>
Date: Wed, 4 Jun 2003 09:40:54 +0000
Subject: Paul Jakma:

lib/debug.{c,h}: glibc backtrace printing function (from the glibc info page)
configure.ac: check for glibc backtrace and set define
lib/zebra.h: glibc backtrace support
---
 lib/debug.c | 23 +++++++++++++++++++++++
 lib/debug.h |  3 +++
 lib/zebra.h |  4 ++++
 3 files changed, 30 insertions(+)
 create mode 100644 lib/debug.c
 create mode 100644 lib/debug.h

(limited to 'lib')

diff --git a/lib/debug.c b/lib/debug.c
new file mode 100644
index 00000000..c4b67a52
--- /dev/null
+++ b/lib/debug.c
@@ -0,0 +1,23 @@
+#include <zebra.h>
+#include "log.h"
+
+void 
+debug_print_trace (int signal)
+{
+    void *array[10];
+    size_t size;
+    char **strings;   
+    size_t i;
+
+    size = backtrace (array, 10);
+    strings = backtrace_symbols (array, size);
+
+    printf ("Obtained %zd stack frames.\n", size);
+
+    for (i = 0; i < size; i++)
+      printf ("%s\n", strings[i]);
+
+    free (strings);
+    
+    exit(1);
+}
diff --git a/lib/debug.h b/lib/debug.h
new file mode 100644
index 00000000..44409042
--- /dev/null
+++ b/lib/debug.h
@@ -0,0 +1,3 @@
+
+void debug_print_trace (int);
+
diff --git a/lib/zebra.h b/lib/zebra.h
index 7b1e8011..62566cf8 100644
--- a/lib/zebra.h
+++ b/lib/zebra.h
@@ -172,6 +172,10 @@ typedef int socklen_t;
 #include <libutil.h>
 #endif /* HAVE_LIBUTIL_H */
 
+#ifdef HAVE_GLIBC_BACKTRACE
+#include <execinfo.h>
+#endif /* HAVE_GLIBC_BACKTRACE */
+
 #ifdef BSDI_NRL
 
 #ifdef HAVE_NETINET6_IN6_H
-- 
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