atomic_fetch_sub Function (C++ AMP)

Atomically subtracts a value from a memory location.

inline int atomic_fetch_sub(
   _Inout_ int * _Dest,
   int _Value                     
) restrict(amp);
                     
inline unsigned int atomic_fetch_sub(
   _Inout_ unsigned int * _Dest,
   unsigned int _Value                     
) restrict(amp);

Parameters

• _Dest
  Pointer to the destionation location.

• _Value
  The value to be subtracted.

Return Value

The original value of the memory location.

Requirements

Header: amp.h

Namespace: Concurrency

See Also

Reference

Concurrency Namespace (C++ AMP)