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-rw-r--r--erts/emulator/beam/erl_ao_firstfit_alloc.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/erts/emulator/beam/erl_ao_firstfit_alloc.c b/erts/emulator/beam/erl_ao_firstfit_alloc.c
index 396aa88e0b..5cd067ff54 100644
--- a/erts/emulator/beam/erl_ao_firstfit_alloc.c
+++ b/erts/emulator/beam/erl_ao_firstfit_alloc.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 2003-2013. All Rights Reserved.
*
- * The contents of this file are subject to the Erlang Public License,
- * Version 1.1, (the "License"); you may not use this file except in
- * compliance with the License. You should have received a copy of the
- * Erlang Public License along with this software. If not, it can be
- * retrieved online at http://www.erlang.org/.
- *
- * Software distributed under the License is distributed on an "AS IS"
- * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
- * the License for the specific language governing rights and limitations
- * under the License.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*
* %CopyrightEnd%
*/
@@ -208,7 +209,9 @@ static Block_t* aoff_get_free_block(Allctr_t *, Uint, Block_t *, Uint);
static void aoff_link_free_block(Allctr_t *, Block_t*);
static void aoff_unlink_free_block(Allctr_t *allctr, Block_t *del);
static void aoff_creating_mbc(Allctr_t*, Carrier_t*);
+#ifdef DEBUG
static void aoff_destroying_mbc(Allctr_t*, Carrier_t*);
+#endif
static void aoff_add_mbc(Allctr_t*, Carrier_t*);
static void aoff_remove_mbc(Allctr_t*, Carrier_t*);
static UWord aoff_largest_fblk_in_mbc(Allctr_t*, Carrier_t*);
@@ -270,7 +273,11 @@ erts_aoffalc_start(AOFFAllctr_t *alc,
allctr->get_next_mbc_size = NULL;
allctr->creating_mbc = aoff_creating_mbc;
+#ifdef DEBUG
allctr->destroying_mbc = aoff_destroying_mbc;
+#else
+ allctr->destroying_mbc = NULL;
+#endif
allctr->add_mbc = aoff_add_mbc;
allctr->remove_mbc = aoff_remove_mbc;
allctr->largest_fblk_in_mbc = aoff_largest_fblk_in_mbc;
@@ -884,17 +891,18 @@ static void aoff_creating_mbc(Allctr_t *allctr, Carrier_t *carrier)
HARD_CHECK_TREE(NULL, 0, *root, 0);
}
+#define IS_CRR_IN_TREE(CRR,ROOT) \
+ ((CRR)->rbt_node.parent || (ROOT) == &(CRR)->rbt_node)
+
+#ifdef DEBUG
static void aoff_destroying_mbc(Allctr_t *allctr, Carrier_t *carrier)
{
AOFFAllctr_t *alc = (AOFFAllctr_t *) allctr;
AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier;
- AOFF_RBTree_t *root = alc->mbc_root;
- if (crr->rbt_node.parent || &crr->rbt_node == root) {
- aoff_remove_mbc(allctr, carrier);
- }
- /*else already removed */
+ ASSERT(!IS_CRR_IN_TREE(crr, alc->mbc_root));
}
+#endif
static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier)
{
@@ -902,6 +910,7 @@ static void aoff_add_mbc(Allctr_t *allctr, Carrier_t *carrier)
AOFF_Carrier_t *crr = (AOFF_Carrier_t*) carrier;
AOFF_RBTree_t **root = &alc->mbc_root;
+ ASSERT(!IS_CRR_IN_TREE(crr, *root));
HARD_CHECK_TREE(NULL, 0, *root, 0);
/* Link carrier in address order tree
@@ -918,6 +927,10 @@ static void aoff_remove_mbc(Allctr_t *allctr, Carrier_t *carrier)
AOFF_RBTree_t **root = &alc->mbc_root;
ASSERT(allctr == ERTS_ALC_CARRIER_TO_ALLCTR(carrier));
+
+ if (!IS_CRR_IN_TREE(crr,*root))
+ return;
+
HARD_CHECK_TREE(NULL, 0, *root, 0);
rbt_delete(root, &crr->rbt_node);
@@ -1022,7 +1035,7 @@ info_options(Allctr_t *allctr,
if (hpp || szp) {
if (!atoms_initialized)
- erl_exit(1, "%s:%d: Internal error: Atoms not initialized",
+ erts_exit(ERTS_ERROR_EXIT, "%s:%d: Internal error: Atoms not initialized",
__FILE__, __LINE__);;
res = NIL;