/usr/include/x86_64-linux-gnu/qcc/windows/atomic.h is in liballjoyn-common-dev-1509 15.09a+dfsg.1-2.
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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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | /**
* @file
*
* Define atomic read-modify-write memory options for Microsoft compiler
*/
/******************************************************************************
*
*
* Copyright AllSeen Alliance. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
******************************************************************************/
#ifndef _TOOLCHAIN_QCC_ATOMIC_H
#define _TOOLCHAIN_QCC_ATOMIC_H
#include <windows.h>
namespace qcc {
/**
* Increment an int32_t and return its new value atomically.
*
* @param mem Pointer to int32_t to be incremented.
* @return New value (after increment) of *mem
*/
inline int32_t IncrementAndFetch(volatile int32_t* mem) {
return InterlockedIncrement(reinterpret_cast<volatile long*>(mem));
}
/**
* Decrement an int32_t and return its new value atomically.
*
* @param mem Pointer to int32_t to be decremented.
* @return New value (after decrement) of *mem
*/
inline int32_t DecrementAndFetch(volatile int32_t* mem) {
return InterlockedDecrement(reinterpret_cast<volatile long*>(mem));
}
}
#endif
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