datapath-windows/ovsext/Atomic.h

   1 /*
   2  * Copyright (c) 2014 VMware, Inc.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #ifndef __ATOMIC_H_
  18 #define __ATOMIC_H_ 1
  19
  20 static __inline UINT64
  21 atomic_add64(UINT64 *ptr, UINT32 val)
  22 {
  23     return InterlockedAdd64((LONGLONG volatile *) ptr, (LONGLONG) val);
  24 }
  25
  26 static __inline UINT64
  27 atomic_inc64(UINT64 *ptr)
  28 {
  29     return InterlockedIncrement64((LONGLONG volatile *) ptr);
  30 }
  31
  32 #endif /* __ATOMIC_H_ */