Update of /cvsroot/gqclient/gq/src
In directory sc8-pr-cvs1:/tmp/cvs-serv16039
Modified Files:
debug.c debug.h
Log Message:
* Added the print_trace fuction to help with debugging non-crashing situations
where the control flow is hard to figure out using a debugger.
Index: debug.c
===================================================================
RCS file: /cvsroot/gqclient/gq/src/debug.c,v
retrieving revision 1.7
retrieving revision 1.8
diff -C2 -d -r1.7 -r1.8
*** debug.c 5 Oct 2003 13:35:20 -0000 1.7
--- debug.c 13 Oct 2003 07:30:19 -0000 1.8
***************
*** 25,34 ****
#include <stdio.h>
#include "debug.h"
#include "configfile.h"
#include "common.h"
! int num_mallocs = 0;
! int max_mallocs = 0;
#ifdef DEBUG
--- 25,42 ----
#include <stdio.h>
+
+ #ifdef HAVE_BACKTRACE
+ # include <execinfo.h>
+ # include <stdlib.h>
+ #endif /* HAVE_BACKTRACE */
+
#include "debug.h"
#include "configfile.h"
#include "common.h"
!
!
! static int num_mallocs = 0;
! static int max_mallocs = 0;
#ifdef DEBUG
***************
*** 158,162 ****
--- 166,206 ----
}
#endif /* HAVE_MALLINFO */
+
+
+ /* taken from the documentation of the GNU libc */
+ void print_trace(void)
+ {
+ #ifdef HAVE_BACKTRACE
+ void *array[200];
+ size_t size;
+ char **strings;
+ size_t i;
+
+ size = backtrace(array, (sizeof(array) / sizeof(array[0])) );
+ strings = backtrace_symbols(array, size);
+
+ if (strings) {
+ fprintf(stderr, "----------------------------------------\n");
+
+ for (i = 0; i < size; i++) {
+ fprintf(stderr, "%s\n", strings[i]);
+ }
+ free(strings);
+ }
+ #endif /* BACKTRACE */
+ }
+
+ #else
+
+ void print_trace(void)
+ {
+ }
+
#endif /* DEBUG */
+
+
+
+
+
/*
Index: debug.h
===================================================================
RCS file: /cvsroot/gqclient/gq/src/debug.h,v
retrieving revision 1.5
retrieving revision 1.6
diff -C2 -d -r1.5 -r1.6
*** debug.h 5 Sep 2002 19:27:42 -0000 1.5
--- debug.h 13 Oct 2003 07:30:19 -0000 1.6
***************
*** 70,73 ****
--- 70,74 ----
void dump_ldapservers(void);
+ void print_trace(void);
#endif
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