1 /*
2  * Copyright (C) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef MODULE_H
17 #define MODULE_H
18 
19 #ifdef __cplusplus
20 extern "C" {
21 #endif
22 
23 #define MAX_MODULE_DEPENDENCIES (5)
24 #define MAX_MODULES (20)
25 
26 typedef struct {
27     const char *name;
28     void (*init)(int trace_level);
29     void (*startup)();
30     void (*shutdown)();
31     void (*cleanup)();
32     const char *dependencies[MAX_MODULE_DEPENDENCIES];
33 } Module;
34 
35 void ModuleRegister(Module *module);
36 Module *ModuleGet(const char *name);
37 void ModuleInit(const char *name, int trace_level);
38 void ModuleStartup(const char *name);
39 void ModuleShutdown(const char *name);
40 void ModuleCleanup(const char *name);
41 
42 #define MODULE_DECL(module)                                         \
43     void __attribute__((constructor)) do_module_init_##module(void) \
44     {                                                               \
45         ModuleRegister(&module);                                    \
46     }
47 
48 #ifndef NO_SANITIZE
49 #ifdef __has_attribute
50 #if __has_attribute(no_sanitize)
51 #define NO_SANITIZE(type) __attribute__((no_sanitize(type)))
52 #endif
53 #endif
54 #endif
55 
56 #ifndef NO_SANITIZE
57 #define NO_SANITIZE(type)
58 #endif
59 
60 #ifdef __cplusplus
61 }
62 #endif
63 
64 #endif  // MODULE_H
65