1 /*
2  * Copyright 2019 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 #pragma once
18 #include <errno.h>
19 
20 // A macro to re-try a syscall when it receives EINTR
21 #ifndef RUN_NO_INTR
22 #define RUN_NO_INTR(fn) \
23   do {                  \
24   } while ((fn) == -1 && errno == EINTR)
25 #endif
26 
27 // A macro to disallow the copy constructor and operator= functions
28 #ifndef DISALLOW_COPY_AND_ASSIGN
29 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
30   TypeName(const TypeName&) = delete;      \
31   void operator=(const TypeName&) = delete
32 #endif
33