base/eintr_wrapper.h - Issue 11366229: Move eintr_wrapper.h from base to base/posix

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Side by Side Diff: base/eintr_wrapper.h

Issue 11366229: Move eintr_wrapper.h from base to base/posix (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: Created 8 years, 1 month ago

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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 // This provides a wrapper around system calls which may be interrupted by a

6 // signal and return EINTR. See man 7 signal.

7 //

8 // On Windows, this wrapper macro does nothing.

9

10 #ifndef BASE_EINTR_WRAPPER_H_

11 #define BASE_EINTR_WRAPPER_H_

12

13 #include "build/build_config.h"

14

15 #if defined(OS_POSIX)

16

17 #include <errno.h>

18

19 #define HANDLE_EINTR(x) ({ \

20 typeof(x) __eintr_result__; \

21 do { \

22 __eintr_result__ = (x); \

23 } while (__eintr_result__ == -1 && errno == EINTR); \

24 __eintr_result__;\

25 })

26

27 #else

28

29 #define HANDLE_EINTR(x) (x)

30

31 #endif // OS_POSIX

32

33 #endif // BASE_EINTR_WRAPPER_H_

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