Failed to save the file to the "xx" directory.

Failed to save the file to the "ll" directory.

Failed to save the file to the "mm" directory.

Failed to save the file to the "wp" directory.

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Current File : /usr/include/mysql/server/private/atomic/generic-msvc.h
#ifndef ATOMIC_MSC_INCLUDED
#define ATOMIC_MSC_INCLUDED

/* Copyright (c) 2006, 2014, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */

#include <windows.h>

static inline int my_atomic_cas32(int32 volatile *a, int32 *cmp, int32 set)
{
  int32 initial_cmp= *cmp;
  int32 initial_a= InterlockedCompareExchange((volatile LONG*)a,
                                              set, initial_cmp);
  int ret= (initial_a == initial_cmp);
  if (!ret)
    *cmp= initial_a;
  return ret;
}

static inline int my_atomic_cas64(int64 volatile *a, int64 *cmp, int64 set)
{
  int64 initial_cmp= *cmp;
  int64 initial_a= InterlockedCompareExchange64((volatile LONGLONG*)a,
                                                (LONGLONG)set,
                                                (LONGLONG)initial_cmp);
  int ret= (initial_a == initial_cmp);
  if (!ret)
    *cmp= initial_a;
  return ret;
}

static inline int my_atomic_casptr(void * volatile *a, void **cmp, void *set)
{
  void *initial_cmp= *cmp;
  void *initial_a= InterlockedCompareExchangePointer(a, set, initial_cmp);
  int ret= (initial_a == initial_cmp);
  if (!ret)
    *cmp= initial_a;
  return ret;
}

static inline int32 my_atomic_add32(int32 volatile *a, int32 v)
{
  return (int32)InterlockedExchangeAdd((volatile LONG*)a, v);
}

static inline int64 my_atomic_add64(int64 volatile *a, int64 v)
{
  return (int64)InterlockedExchangeAdd64((volatile LONGLONG*)a, (LONGLONG)v);
}


/*
  According to MSDN:

  Simple reads and writes to properly-aligned 32-bit variables are atomic
  operations.
  ...
  Simple reads and writes to properly aligned 64-bit variables are atomic on
  64-bit Windows. Reads and writes to 64-bit values are not guaranteed to be
  atomic on 32-bit Windows.

  https://msdn.microsoft.com/en-us/library/windows/desktop/ms684122(v=vs.85).aspx
*/

static inline int32 my_atomic_load32(int32 volatile *a)
{
  int32 value= *a;
  MemoryBarrier();
  return value;
}

static inline int64 my_atomic_load64(int64 volatile *a)
{
#ifdef _M_X64
  int64 value= *a;
  MemoryBarrier();
  return value;
#else
  return (int64) InterlockedCompareExchange64((volatile LONGLONG *) a, 0, 0);
#endif
}

static inline void* my_atomic_loadptr(void * volatile *a)
{
  void *value= *a;
  MemoryBarrier();
  return value;
}

static inline int32 my_atomic_fas32(int32 volatile *a, int32 v)
{
  return (int32)InterlockedExchange((volatile LONG*)a, v);
}

static inline int64 my_atomic_fas64(int64 volatile *a, int64 v)
{
  return (int64)InterlockedExchange64((volatile LONGLONG*)a, v);
}

static inline void * my_atomic_fasptr(void * volatile *a, void * v)
{
  return InterlockedExchangePointer(a, v);
}

static inline void my_atomic_store32(int32 volatile *a, int32 v)
{
  MemoryBarrier();
  *a= v;
}

static inline void my_atomic_store64(int64 volatile *a, int64 v)
{
#ifdef _M_X64
  MemoryBarrier();
  *a= v;
#else
  (void) InterlockedExchange64((volatile LONGLONG *) a, v);
#endif
}

static inline void my_atomic_storeptr(void * volatile *a, void *v)
{
  MemoryBarrier();
  *a= v;
}

#endif /* ATOMIC_MSC_INCLUDED */

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