X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dff9e15c44ab6340d27215957c56fa72fad246a2..1189d1797cc934d847d6641d809bbe060729f064:/src/xbt/mallocator.c

diff --git a/src/xbt/mallocator.c b/src/xbt/mallocator.c
index 460dda86aa..f1972a00d0 100644
--- a/src/xbt/mallocator.c
+++ b/src/xbt/mallocator.c
@@ -1,6 +1,7 @@
 /* mallocator - recycle objects to avoid malloc() / free()                  */
 
-/* Copyright (c) 2006 Christophe Thiery. All rights reserved.               */
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -8,6 +9,7 @@
 #include "xbt/mallocator.h"
 #include "xbt/asserts.h"
 #include "xbt/sysdep.h"
+#include "mc/mc.h" /* kill mallocators when model-checking is enabled */
 #include "mallocator_private.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(xbt_mallocator, xbt, "Mallocators");
@@ -38,16 +40,25 @@ xbt_mallocator_t xbt_mallocator_new(int size,
 
   xbt_mallocator_t m;
 
-  xbt_assert0(size > 0, "size must be positive");
-  xbt_assert0(new_f != NULL && free_f != NULL
+  xbt_assert(size > 0, "size must be positive");
+  xbt_assert(new_f != NULL && free_f != NULL
               && reset_f != NULL, "invalid parameter");
 
+  /* Let's force 0 size mallocator! (Dirty hack, blame Martin :) ) */
+
+  /* mallocators and memory mess introduced by model-checking do not mix well together:
+   *   The mallocator will give standard memory when we are using raw memory (so these blocks are killed on restore)
+   *   and the contrary (so these blocks will leak accross restores)
+   */
+  if (MC_IS_ENABLED)
+    size = 0;
+
   m = xbt_new0(s_xbt_mallocator_t, 1);
-  VERB1("Create mallocator %p", m);
+  XBT_VERB("Create mallocator %p", m);
   if (XBT_LOG_ISENABLED(xbt_mallocator, xbt_log_priority_verbose))
     xbt_backtrace_display_current();
 
-  m->objects = xbt_new0(void *, size);
+  m->objects = xbt_new0(void *, MC_IS_ENABLED ? 1 : size);
   m->max_size = size;
   m->current_size = 0;
   m->new_f = new_f;
@@ -69,9 +80,10 @@ void xbt_mallocator_free(xbt_mallocator_t m)
 {
 
   int i;
-  xbt_assert0(m != NULL, "Invalid parameter");
+  xbt_assert(m != NULL, "Invalid parameter");
 
-  VERB3("Frees mallocator %p (size:%d/%d)", m, m->current_size, m->max_size);
+  XBT_VERB("Frees mallocator %p (size:%d/%d)", m, m->current_size,
+        m->max_size);
   for (i = 0; i < m->current_size; i++) {
     (*(m->free_f)) (m->objects[i]);
   }
@@ -98,17 +110,16 @@ void xbt_mallocator_free(xbt_mallocator_t m)
 void *xbt_mallocator_get(xbt_mallocator_t m)
 {
   void *object;
-  xbt_assert0(m != NULL, "Invalid parameter");
 
   if (m->current_size > 0) {
     /* there is at least an available object */
-    DEBUG3("Reuse an old object for mallocator %p (size:%d/%d)", m,
-           m->current_size, m->max_size);
+    /* XBT_DEBUG("Reuse an old object for mallocator %p (size:%d/%d)", m,
+           m->current_size, m->max_size); */
     object = m->objects[--m->current_size];
   } else {
     /* otherwise we must allocate a new object */
-    DEBUG3("Create a new object for mallocator %p (size:%d/%d)", m,
-           m->current_size, m->max_size);
+    /* XBT_DEBUG("Create a new object for mallocator %p (size:%d/%d)", m,
+           m->current_size, m->max_size); */
     object = (*(m->new_f)) ();
   }
   (*(m->reset_f)) (object);
@@ -130,18 +141,16 @@ void *xbt_mallocator_get(xbt_mallocator_t m)
  */
 void xbt_mallocator_release(xbt_mallocator_t m, void *object)
 {
-  xbt_assert0(m != NULL && object != NULL, "Invalid parameter");
-
   if (m->current_size < m->max_size) {
     /* there is enough place to push the object */
-    DEBUG3
-      ("Store deleted object in mallocator %p for further use (size:%d/%d)",
-       m, m->current_size, m->max_size);
+    /* XBT_DEBUG
+        ("Store deleted object in mallocator %p for further use (size:%d/%d)",
+         m, m->current_size, m->max_size); */
     m->objects[m->current_size++] = object;
   } else {
     /* otherwise we don't have a choice, we must free the object */
-    DEBUG3("Free deleted object: mallocator %p is full (size:%d/%d)", m,
-           m->current_size, m->max_size);
+    /* XBT_DEBUG("Free deleted object: mallocator %p is full (size:%d/%d)", m,
+           m->current_size, m->max_size); */
     (*(m->free_f)) (object);
   }
 }