linux-sgx-trts-modified/common/inc/internal/se_atomic.h

/*
 * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
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 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 */

#ifndef _SE_ATOMIC_H_
#define _SE_ATOMIC_H_

#include <stdint.h>


inline uint32_t se_atomic_inc(volatile uint32_t *mem)
{
    return __sync_add_and_fetch(mem, 1);
}

inline uint32_t se_atomic_dec(uint32_t volatile *mem)
{
    return __sync_sub_and_fetch(mem, 1);
}

inline uint64_t se_atomic_inc64(volatile uint64_t *mem)
{
    return __sync_add_and_fetch(mem, 1);
}

inline uint64_t se_atomic_dec64(uint64_t volatile *mem)
{
    return __sync_sub_and_fetch(mem, 1);
}



#endif