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author | Colin Cross <ccross@android.com> | 2010-04-19 17:05:34 -0700 |
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committer | Colin Cross <ccross@android.com> | 2010-04-21 19:43:35 -0700 |
commit | ed8a7d84428ec945c48b6b53dc5a3a18fabaf683 (patch) | |
tree | 9cb7e354a86e2109b5a9b1418986333daec9a5b3 /init/list.h | |
parent | 12541c61311e0488e9873df754f8328cd12f99b4 (diff) | |
download | system_core-ed8a7d84428ec945c48b6b53dc5a3a18fabaf683.zip system_core-ed8a7d84428ec945c48b6b53dc5a3a18fabaf683.tar.gz system_core-ed8a7d84428ec945c48b6b53dc5a3a18fabaf683.tar.bz2 |
init: Move list and log handling to list.h and log.h
Change-Id: I298f575c590d0f28b7ad78747f3ebdbba56b7a27
Diffstat (limited to 'init/list.h')
-rw-r--r-- | init/list.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/init/list.h b/init/list.h new file mode 100644 index 0000000..04cb0d3 --- /dev/null +++ b/init/list.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2010 The Android Open Source Project + * + * 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. + */ + +#ifndef _INIT_LIST_H_ +#define _INIT_LIST_H_ + +struct listnode +{ + struct listnode *next; + struct listnode *prev; +}; + +#define node_to_item(node, container, member) \ + (container *) (((char*) (node)) - offsetof(container, member)) + +#define list_declare(name) \ + struct listnode name = { \ + .next = &name, \ + .prev = &name, \ + } + +#define list_for_each(node, list) \ + for (node = (list)->next; node != (list); node = node->next) + +void list_init(struct listnode *list); +void list_add_tail(struct listnode *list, struct listnode *item); +void list_remove(struct listnode *item); + +#define list_empty(list) ((list) == (list)->next) +#define list_head(list) ((list)->next) +#define list_tail(list) ((list)->prev) + +#endif |