---------------------
PatchSet 309 
Date: 2000/05/16 19:38:15
Author: hno
Branch: hno-devel
Tag: (none) 
Log:
--enable-stacktraces configure option for setting PRINT_STACK_TRACE, and
extended support for this to Linux/GNU libc.

Members: 
	acconfig.h:1.1.1.3.6.5.2.2->1.1.1.3.6.5.2.3 
	configure.in:1.1.1.3.6.7.2.8->1.1.1.3.6.7.2.9 
	src/tools.c:1.1.1.3.6.1.2.1->1.1.1.3.6.1.2.2 

Index: squid/acconfig.h
===================================================================
RCS file: /cvsroot/squid-sf//squid/Attic/acconfig.h,v
retrieving revision 1.1.1.3.6.5.2.2
retrieving revision 1.1.1.3.6.5.2.3
diff -u -r1.1.1.3.6.5.2.2 -r1.1.1.3.6.5.2.3
--- squid/acconfig.h	16 May 2000 18:53:51 -0000	1.1.1.3.6.5.2.2
+++ squid/acconfig.h	16 May 2000 19:38:15 -0000	1.1.1.3.6.5.2.3
@@ -20,7 +20,7 @@
  *
  */
 @ TOP @
-/* $Id: acconfig.h,v 1.1.1.3.6.5.2.2 2000/05/16 18:53:51 hno Exp $ */
+/* $Id: acconfig.h,v 1.1.1.3.6.5.2.3 2000/05/16 19:38:15 hno Exp $ */
 
 /*********************************
  * START OF CONFIGURABLE OPTIONS *
@@ -280,3 +280,6 @@
 
 /* Define if you want to set the COSS membuf size */
 #undef COSS_MEMBUF_SZ
+
+/* Print stacktraces on fatal errors */
+#undef PRINT_STACK_TRACE
Index: squid/configure.in
===================================================================
RCS file: /cvsroot/squid-sf//squid/configure.in,v
retrieving revision 1.1.1.3.6.7.2.8
retrieving revision 1.1.1.3.6.7.2.9
diff -u -r1.1.1.3.6.7.2.8 -r1.1.1.3.6.7.2.9
--- squid/configure.in	16 May 2000 18:53:51 -0000	1.1.1.3.6.7.2.8
+++ squid/configure.in	16 May 2000 19:38:15 -0000	1.1.1.3.6.7.2.9
@@ -3,13 +3,13 @@
 dnl
 dnl  Duane Wessels, wessels@nlanr.net, February 1996 (autoconf v2.9)
 dnl
-dnl  $Id: configure.in,v 1.1.1.3.6.7.2.8 2000/05/16 18:53:51 hno Exp $
+dnl  $Id: configure.in,v 1.1.1.3.6.7.2.9 2000/05/16 19:38:15 hno Exp $
 dnl
 dnl
 dnl
 AC_INIT(src/main.c)
 AC_CONFIG_HEADER(include/autoconf.h)
-AC_REVISION($Revision: 1.1.1.3.6.7.2.8 $)dnl
+AC_REVISION($Revision: 1.1.1.3.6.7.2.9 $)dnl
 AC_PREFIX_DEFAULT(/usr/local/squid)
 AC_CONFIG_AUX_DIR(cfgaux)
 
@@ -701,6 +701,15 @@
 AC_SUBST(OPT_UNLINKD_EXE)
 AC_SUBST(UNLINKD_OBJS)
 
+dnl Enable backtraces on fatal errors
+AC_ARG_ENABLE(stacktraces,
+[  --enable-stacktraces    Enable automatic call backtrace on fatal errors],
+[ if test "$enableval" = "yes" ; then
+    echo "Enabling automatic stack backtraces on fatal errors"
+    AC_DEFINE(PRINT_STACK_TRACE, 1)
+  fi
+])
+
 # Force some compilers to use ANSI features
 #
 case "$host" in
@@ -765,6 +774,7 @@
 	crypt.h \
 	ctype.h \
 	errno.h \
+	execinfo.h \
 	fcntl.h \
 	getopt.h \
 	gnumalloc.h \
@@ -1124,6 +1134,7 @@
 dnl Check for library functions
 AC_CHECK_FUNCS(\
 	bcopy \
+	backtrace_symbols_fd \
 	crypt \
 	fchmod \
 	getdtablesize \
Index: squid/src/tools.c
===================================================================
RCS file: /cvsroot/squid-sf//squid/src/tools.c,v
retrieving revision 1.1.1.3.6.1.2.1
retrieving revision 1.1.1.3.6.1.2.2
diff -u -r1.1.1.3.6.1.2.1 -r1.1.1.3.6.1.2.2
--- squid/src/tools.c	16 May 2000 18:53:53 -0000	1.1.1.3.6.1.2.1
+++ squid/src/tools.c	16 May 2000 19:38:16 -0000	1.1.1.3.6.1.2.2
@@ -1,6 +1,6 @@
 
 /*
- * $Id: tools.c,v 1.1.1.3.6.1.2.1 2000/05/16 18:53:53 hno Exp $
+ * $Id: tools.c,v 1.1.1.3.6.1.2.2 2000/05/16 19:38:16 hno Exp $
  *
  * DEBUG: section 21    Misc Functions
  * AUTHOR: Harvest Derived
@@ -254,6 +254,14 @@
 	fflush(stdout);
     }
 #endif /* _SQUID_SOLARIS_ */
+#if HAVE_BACKTRACE_SYMBOLS_FD
+    {
+	static void *(callarray[8192]);
+	int n;
+	n = backtrace(callarray, 8192);
+	backtrace_symbols_fd(callarray, n, fileno(debug_log));
+    }
+#endif
 #endif /* PRINT_STACK_TRACE */
 
 #if SA_RESETHAND == 0