source: azure_iot_hub/trunk/azure_iohub/c-utility/pal/toppers/refcount_os.h@ 388

Last change on this file since 388 was 388, checked in by coas-nagasima, 5 years ago

Azure IoT Hub Device C SDK を使ったサンプルの追加
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
  • Property svn:mime-type set to text/x-chdr
File size: 724 bytes
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1// Copyright (c) Microsoft. All rights reserved.
2// Licensed under the MIT license. See LICENSE file in the project root for full license information.
3
4// This file gets included into refcount.h as a means of extending the behavior of
5// atomic increment, decrement, and test.
6//
7// The Azure IoT C SDK does not require thread-safe refcount operations, so
8// this file is appropriate for any device when using the Azure IoT C SDK.
9
10#ifndef REFCOUNT_OS_H__GENERIC
11#define REFCOUNT_OS_H__GENERIC
12
13#define COUNT_TYPE uint32_t
14
15#define DEC_RETURN_ZERO (0)
16
17#define INC_REF_VAR(count) ++(count)
18#define DEC_REF_VAR(count) --(count)
19#define INIT_REF_VAR(count) do { count = 1; } while((void)0,0)
20
21#endif // REFCOUNT_OS_H__GENERIC
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