1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef _LIBLOG_CONFIG_READ_H__
18 #define _LIBLOG_CONFIG_READ_H__
19 
20 #include <cutils/list.h>
21 
22 #include "log_portability.h"
23 
24 __BEGIN_DECLS
25 
26 extern LIBLOG_HIDDEN struct listnode __android_log_transport_read;
27 extern LIBLOG_HIDDEN struct listnode __android_log_persist_read;
28 
29 #define read_transport_for_each(transp, transports)                           \
30   for ((transp) = node_to_item((transports)->next,                            \
31                                struct android_log_transport_read, node);      \
32        ((transp) != node_to_item((transports),                                \
33                                  struct android_log_transport_read, node)) && \
34        ((transp) != node_to_item((transp)->node.next,                         \
35                                  struct android_log_transport_read, node));   \
36        (transp) = node_to_item((transp)->node.next,                           \
37                                struct android_log_transport_read, node))
38 
39 #define read_transport_for_each_safe(transp, n, transports)                   \
40   for ((transp) = node_to_item((transports)->next,                            \
41                                struct android_log_transport_read, node),      \
42       (n) = (transp)->node.next;                                              \
43        ((transp) != node_to_item((transports),                                \
44                                  struct android_log_transport_read, node)) && \
45        ((transp) !=                                                           \
46         node_to_item((n), struct android_log_transport_read, node));          \
47        (transp) = node_to_item((n), struct android_log_transport_read, node), \
48       (n) = (transp)->node.next)
49 
50 LIBLOG_HIDDEN void __android_log_config_read();
51 LIBLOG_HIDDEN void __android_log_config_read_close();
52 
53 __END_DECLS
54 
55 #endif /* _LIBLOG_CONFIG_READ_H__ */
56