From 495f658861936418f00436b571a30d577abcddb3 Mon Sep 17 00:00:00 2001
From: Carsten Haitzler <raster@rasterman.com>
Date: Tue, 20 Sep 2011 11:28:25 +0000
Subject: [PATCH] support mtrace in eina at runtime. easier now to enable via
 env vars.

SVN revision: 63498
---
 legacy/eina/configure.ac        |  3 +++
 legacy/eina/src/lib/eina_main.c | 29 +++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/legacy/eina/configure.ac b/legacy/eina/configure.ac
index 2401b71420..e2c997d2d8 100644
--- a/legacy/eina/configure.ac
+++ b/legacy/eina/configure.ac
@@ -488,6 +488,9 @@ AC_SUBST([dlopen_libs])
 
 EFL_CHECK_FNMATCH([], [AC_MSG_ERROR([Cannot find fnmatch()])])
 
+AC_CHECK_HEADERS([mcheck.h], [AC_DEFINE([HAVE_MCHECK], [1], [Have mcheck.h])])
+AC_CHECK_FUNCS([mtrace], [AC_DEFINE([HAVE_MTRACE], [1], [Have mtrace])])
+
 # iconv library
 have_iconv="no"
 AC_ARG_WITH([iconv-link],
diff --git a/legacy/eina/src/lib/eina_main.c b/legacy/eina/src/lib/eina_main.c
index fe9f8bc221..3780adac57 100644
--- a/legacy/eina/src/lib/eina_main.c
+++ b/legacy/eina/src/lib/eina_main.c
@@ -37,6 +37,16 @@
 # endif
 #endif
 
+#ifdef HAVE_MCHECK
+# ifdef HAVE_MTRACE
+#  define MT 1
+# endif
+#endif
+
+#ifdef MT
+#include <mcheck.h>
+#endif
+
 #include "eina_lock.h"
 #include "eina_config.h"
 #include "eina_private.h"
@@ -97,6 +107,10 @@ EAPI pthread_t _eina_main_loop;
 static pid_t _eina_pid;
 #endif
 
+#ifdef MT
+static int _mt_enabled = 0;
+#endif
+
 #ifdef EINA_HAVE_DEBUG_THREADS
 EAPI int _eina_threads_debug = 0;
 EAPI pthread_mutex_t _eina_tracking_lock;
@@ -213,6 +227,14 @@ eina_init(void)
    if (EINA_LIKELY(_eina_main_count > 0))
       return ++_eina_main_count;
 
+#ifdef MT
+   if ((getenv("EINA_MTRACE")) && (getenv("MALLOC_TRACE")))
+     {
+        _mt_enabled = 1;
+        mtrace();
+     }
+#endif   
+   
    if (!eina_log_init())
      {
         fprintf(stderr, "Could not initialize eina logging system.\n");
@@ -273,6 +295,13 @@ eina_shutdown(void)
 #ifdef EINA_HAVE_DEBUG_THREADS
 	pthread_mutex_destroy(&_eina_tracking_lock);
 #endif
+#ifdef MT
+        if (_mt_enabled)
+          {
+             muntrace();
+             _mt_enabled = 0;
+          }
+#endif   
      }
 
    return _eina_main_count;