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 NVRAM_MESSAGES_COMPILER_H_
18 #define NVRAM_MESSAGES_COMPILER_H_
19 
20 extern "C" {
21 #include <stdlib.h>
22 }
23 
24 #if defined(__GNUC__) || defined(__clang__)
25 #define NVRAM_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
26 #else
27 #define NVRAM_WARN_UNUSED_RESULT
28 #endif
29 
30 // Check a condition, abort if it doesn't hold.
31 #define NVRAM_CHECK(cond) if (!(cond)) abort()
32 
33 // The noinline attribute is understood both by clang and GCC.
34 #define NVRAM_NOINLINE __attribute__((noinline))
35 
36 // The visibility attribute works both with clang and GCC.
37 #define NVRAM_EXPORT __attribute__((visibility("default")))
38 
39 #endif  // NVRAM_MESSAGES_COMPILER_H_
40