hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
33 lines
849 B
C
33 lines
849 B
C
// Copyright 2014 The ChromiumOS Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// This provides a wrapper around system calls which may be interrupted by a
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// signal and return EINTR. See man 7 signal.
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#ifndef GESTURES_EINTR_WRAPPER_H_
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#define GESTURES_EINTR_WRAPPER_H_
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#include <errno.h>
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#define HANDLE_EINTR(x) ({ \
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typeof(x) eintr_wrapper_result; \
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do { \
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eintr_wrapper_result = (x); \
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} while (eintr_wrapper_result == -1 && errno == EINTR); \
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eintr_wrapper_result; \
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})
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#define IGNORE_EINTR(x) ({ \
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typeof(x) eintr_wrapper_result; \
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do { \
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eintr_wrapper_result = (x); \
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if (eintr_wrapper_result == -1 && errno == EINTR) { \
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eintr_wrapper_result = 0; \
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} \
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} while (0); \
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eintr_wrapper_result; \
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})
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#endif // GESTURES_EINTR_WRAPPER_H_
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