blob: 0a71c0ec3778a67e75c27f89349c14571d1f231b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// This provides a wrapper around system calls which may be interrupted by a
// signal and return EINTR. See man 7 signal.
//
// On Windows, this wrapper macro does nothing.
#ifndef BASE_EINTR_WRAPPER_H_
#define BASE_EINTR_WRAPPER_H_
#include "build/build_config.h"
#if defined(OS_POSIX)
#include <errno.h>
#define HANDLE_EINTR(x) ({ \
typeof(x) __eintr_result__; \
do { \
__eintr_result__ = x; \
} while (__eintr_result__ == -1 && errno == EINTR); \
__eintr_result__;\
})
#else
#define HANDLE_EINTR(x) x
#endif // OS_POSIX
#endif // !BASE_EINTR_WRAPPER_H_
|
