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-rw-r--r--erts/emulator/beam/erl_process_dict.c81
1 files changed, 67 insertions, 14 deletions
diff --git a/erts/emulator/beam/erl_process_dict.c b/erts/emulator/beam/erl_process_dict.c
index af20b26b15..3253ee6b70 100644
--- a/erts/emulator/beam/erl_process_dict.c
+++ b/erts/emulator/beam/erl_process_dict.c
@@ -3,16 +3,17 @@
*
* Copyright Ericsson AB 1999-2013. 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%
*/
@@ -82,6 +83,7 @@
static void pd_hash_erase(Process *p, Eterm id, Eterm *ret);
static void pd_hash_erase_all(Process *p);
static Eterm pd_hash_get_keys(Process *p, Eterm value);
+static Eterm pd_hash_get_all_keys(Process *p, ProcDict *pd);
static Eterm pd_hash_get_all(Process *p, ProcDict *pd);
static Eterm pd_hash_put(Process *p, Eterm id, Eterm value);
@@ -275,6 +277,16 @@ BIF_RETTYPE get_1(BIF_ALIST_1)
BIF_RET(ret);
}
+BIF_RETTYPE get_keys_0(BIF_ALIST_0)
+{
+ Eterm ret;
+
+ PD_CHECK(BIF_P->dictionary);
+ ret = pd_hash_get_all_keys(BIF_P,BIF_P->dictionary);
+ PD_CHECK(BIF_P->dictionary);
+ BIF_RET(ret);
+}
+
BIF_RETTYPE get_keys_1(BIF_ALIST_1)
{
Eterm ret;
@@ -362,7 +374,7 @@ static void pd_hash_erase(Process *p, Eterm id, Eterm *ret)
"display term found in line %d:\n"
"%T\n", p->common.id, __LINE__, old);
#endif
- erl_exit(1, "Damaged process dictionary found during erase/1.");
+ erts_exit(ERTS_ERROR_EXIT, "Damaged process dictionary found during erase/1.");
}
if ((range = HASH_RANGE(p->dictionary)) > INITIAL_SIZE &&
range / 2 > (p->dictionary->numElements)) {
@@ -407,11 +419,52 @@ Eterm erts_pd_hash_get(Process *p, Eterm id)
"display term found in line %d:\n"
"%T\n", p->common.id, __LINE__, tmp);
#endif
- erl_exit(1, "Damaged process dictionary found during get/1.");
+ erts_exit(ERTS_ERROR_EXIT, "Damaged process dictionary found during get/1.");
}
return am_undefined;
}
+#define PD_GET_TKEY(Dst,Src) \
+do { \
+ ASSERT(is_tuple((Src))); \
+ ASSERT(arityval(*((Eterm*)tuple_val((Src)))) == 2); \
+ (Dst) = ((Eterm*)tuple_val((Src)))[1]; \
+} while(0)
+
+static Eterm pd_hash_get_all_keys(Process *p, ProcDict *pd) {
+ Eterm* hp;
+ Eterm res = NIL;
+ Eterm tmp, tmp2;
+ unsigned int i;
+ unsigned int num;
+
+ if (pd == NULL) {
+ return res;
+ }
+
+ num = HASH_RANGE(pd);
+ hp = HAlloc(p, pd->numElements * 2);
+
+ for (i = 0; i < num; ++i) {
+ tmp = ARRAY_GET(pd, i);
+ if (is_boxed(tmp)) {
+ PD_GET_TKEY(tmp,tmp);
+ res = CONS(hp, tmp, res);
+ hp += 2;
+ } else if (is_list(tmp)) {
+ while (tmp != NIL) {
+ tmp2 = TCAR(tmp);
+ PD_GET_TKEY(tmp2,tmp2);
+ res = CONS(hp, tmp2, res);
+ hp += 2;
+ tmp = TCDR(tmp);
+ }
+ }
+ }
+ return res;
+}
+#undef PD_GET_TKEY
+
static Eterm pd_hash_get_keys(Process *p, Eterm value)
{
Eterm *hp;
@@ -617,7 +670,7 @@ static Eterm pd_hash_put(Process *p, Eterm id, Eterm value)
"%T\n", p->common.id, __LINE__, old);
#endif
- erl_exit(1, "Damaged process dictionary found during put/2.");
+ erts_exit(ERTS_ERROR_EXIT, "Damaged process dictionary found during put/2.");
}
if (HASH_RANGE(p->dictionary) <= p->dictionary->numElements) {
grow(p);
@@ -971,7 +1024,7 @@ static void pd_check(ProcDict *pd)
}
continue;
} else {
- erl_exit(1,
+ erts_exit(ERTS_ERROR_EXIT,
"Found tag 0x%08x in process dictionary at position %d",
(unsigned long) t, (int) i);
}