flutter_flutter/fml/eintr_wrapper.h
Chris Bracken 08dabe9601
Clean up C++ includes (#21127)
Cleans up header order/grouping for consistency: associated header, C/C++ system/standard library headers, library headers, platform-specific #includes.

Adds <cstring> where strlen, memcpy are being used: there are a bunch of places we use them transitively.

Applies linter-required cleanups. Disables linter on one file due to included RapidJson header. See https://github.com/flutter/flutter/issues/65676

This patch does not cover flutter/shell/platform/darwin. There's a separate, slightly more intensive cleanup for those in progress.
2020-09-11 21:18:35 -07:00

61 lines
2.1 KiB
C

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_FML_EINTR_WRAPPER_H_
#define FLUTTER_FML_EINTR_WRAPPER_H_
#include <errno.h>
#include "flutter/fml/build_config.h"
#if defined(OS_WIN)
// Windows has no concept of EINTR.
#define FML_HANDLE_EINTR(x) (x)
#define FML_IGNORE_EINTR(x) (x)
#else
#if defined(NDEBUG)
#define FML_HANDLE_EINTR(x) \
({ \
decltype(x) eintr_wrapper_result; \
do { \
eintr_wrapper_result = (x); \
} while (eintr_wrapper_result == -1 && errno == EINTR); \
eintr_wrapper_result; \
})
#else
#define FML_HANDLE_EINTR(x) \
({ \
int eintr_wrapper_counter = 0; \
decltype(x) eintr_wrapper_result; \
do { \
eintr_wrapper_result = (x); \
} while (eintr_wrapper_result == -1 && errno == EINTR && \
eintr_wrapper_counter++ < 100); \
eintr_wrapper_result; \
})
#endif // NDEBUG
#define FML_IGNORE_EINTR(x) \
({ \
decltype(x) eintr_wrapper_result; \
do { \
eintr_wrapper_result = (x); \
if (eintr_wrapper_result == -1 && errno == EINTR) { \
eintr_wrapper_result = 0; \
} \
} while (0); \
eintr_wrapper_result; \
})
#endif // defined(OS_WIN)
#endif // FLUTTER_FML_EINTR_WRAPPER_H_