From d3e3876751b6becc9084b5508fd0a48178f30b1b Mon Sep 17 00:00:00 2001
From: Dwight <dmerriman@gmail.com>
Date: Fri, 27 Jun 2008 14:35:05 -0400
Subject: stack traces

---
 db/db.cpp      |  2 +-
 db/makefile    |  2 +-
 db/pdfile.cpp  |  1 +
 db/tests.cpp   |  3 +++
 stdafx.h       |  2 ++
 util/goodies.h | 20 ++++++++++++++++++++
 6 files changed, 28 insertions(+), 2 deletions(-)

diff --git a/db/db.cpp b/db/db.cpp
index 7986980ec72..130636ca23a 100644
--- a/db/db.cpp
+++ b/db/db.cpp
@@ -347,7 +347,7 @@ public:
    115 replay, opLogging
 */
 void listen(int port) { 
-	const char *Version = "db version: 117 24jun2008";
+	const char *Version = "db version: 118 27jun2008";
 	problem() << Version << endl;
 	cout << Version << endl;
 	pdfileInit();
diff --git a/db/makefile b/db/makefile
index 7ddbcfcb1f1..76d8cbfdb2f 100644
--- a/db/makefile
+++ b/db/makefile
@@ -1,6 +1,6 @@
 # makefile for our db project
 
-FLAGS= ${CFLAGS} -fPIC -ggdb -pthread -O3  -I .. -Isrc/p -I/src/p/db -L/usr/local/lib -L/usr/lib
+FLAGS= ${CFLAGS} -fPIC -ggdb -pthread -O3  -I .. -Isrc/p -I/src/p/db -L/usr/local/lib -L/usr/lib -rdynamic 
 
 LIB_DEPS = -lpcrecpp -lpcre
 LIB_BOOST = -lboost_thread -lboost_filesystem
diff --git a/db/pdfile.cpp b/db/pdfile.cpp
index c39191d42a7..1ec6a11142d 100644
--- a/db/pdfile.cpp
+++ b/db/pdfile.cpp
@@ -40,6 +40,7 @@ void sayDbContext(const char *errmsg) {
 	cout << " op:" << curOp << ' ' << callDepth << endl;
 	if( client )
 		cout << " ns: " << curNs << endl;
+	printStackTrace();
 }
 
 JSObj::JSObj(Record *r) { 
diff --git a/db/tests.cpp b/db/tests.cpp
index 3d07fcf1aed..1fac4d76573 100644
--- a/db/tests.cpp
+++ b/db/tests.cpp
@@ -8,6 +8,9 @@
 
 int test2() { 
 	cout << "test2" << endl;
+	printStackTrace();
+	if( 1 ) 
+		return 1;
 
 	MemoryMappedFile f;
 
diff --git a/stdafx.h b/stdafx.h
index 502f91aa0f2..d2c5effcd6d 100644
--- a/stdafx.h
+++ b/stdafx.h
@@ -140,3 +140,5 @@ void dbexit(int resultcode);
 #define assert xassert
 #define yassert 1
 using namespace boost::filesystem;          
+
+#include "util/goodies.h"
diff --git a/util/goodies.h b/util/goodies.h
index 7f2a4f7cb34..8bb25f31afa 100644
--- a/util/goodies.h
+++ b/util/goodies.h
@@ -8,6 +8,26 @@
 #if !defined(_WIN32)
 #include <pthread.h>
 inline pthread_t GetCurrentThreadId() { return pthread_self(); }
+#include <execinfo.h>
+/* use "addr2line -CFe <exe>" to parse. */
+inline void printStackTrace() {
+	void *b[12];
+	size_t size;
+	char **strings;
+	size_t i;
+     
+	size = backtrace(b, 12);
+	strings = backtrace_symbols(b, size);
+     
+	for (i = 0; i < size; i++)
+		cout << ' ' << hex << b[i] << '\n';
+	for (i = 0; i < size; i++)
+		cout << ' ' << strings[i] << '\n';
+
+	free (strings);
+}
+#else
+inline void printStackTrace() { }
 #endif
 
 /* set to TRUE if we are exiting */
-- 
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