------------------------------------------------------------------------------ | |

-- -- | |

-- GNAT RUN-TIME COMPONENTS -- | |

-- -- | |

-- System.Atomic_Operations.Modular_Arithmetic -- | |

-- -- | |

-- S p e c -- | |

-- -- | |

-- Copyright (C) 2019-2021, Free Software Foundation, Inc. -- | |

-- -- | |

-- This specification is derived from the Ada Reference Manual for use with -- | |

-- GNAT. The copyright notice above, and the license provisions that follow -- | |

-- apply solely to the contents of the part following the private keyword. -- | |

-- -- | |

-- GNAT is free software; you can redistribute it and/or modify it under -- | |

-- terms of the GNU General Public License as published by the Free Soft- -- | |

-- ware Foundation; either version 3, or (at your option) any later ver- -- | |

-- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |

-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |

-- or FITNESS FOR A PARTICULAR PURPOSE. -- | |

-- -- | |

-- As a special exception under Section 7 of GPL version 3, you are granted -- | |

-- additional permissions described in the GCC Runtime Library Exception, -- | |

-- version 3.1, as published by the Free Software Foundation. -- | |

-- -- | |

-- You should have received a copy of the GNU General Public License and -- | |

-- a copy of the GCC Runtime Library Exception along with this program; -- | |

-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |

-- <http://www.gnu.org/licenses/>. -- | |

-- -- | |

-- GNAT was originally developed by the GNAT team at New York University. -- | |

-- Extensive contributions were provided by Ada Core Technologies Inc. -- | |

-- -- | |

------------------------------------------------------------------------------ | |

generic | |

type Atomic_Type is mod <> with Atomic; | |

package System.Atomic_Operations.Modular_Arithmetic | |

with Pure | |

is | |

procedure Atomic_Add | |

(Item : aliased in out Atomic_Type; | |

Value : Atomic_Type) with Convention => Intrinsic; | |

procedure Atomic_Subtract | |

(Item : aliased in out Atomic_Type; | |

Value : Atomic_Type) with Convention => Intrinsic; | |

function Atomic_Fetch_And_Add | |

(Item : aliased in out Atomic_Type; | |

Value : Atomic_Type) return Atomic_Type with Convention => Intrinsic; | |

function Atomic_Fetch_And_Subtract | |

(Item : aliased in out Atomic_Type; | |

Value : Atomic_Type) return Atomic_Type with Convention => Intrinsic; | |

function Is_Lock_Free | |

(Item : aliased Atomic_Type) return Boolean with Convention => Intrinsic; | |

private | |

pragma Inline_Always (Atomic_Add); | |

pragma Inline_Always (Atomic_Subtract); | |

pragma Inline_Always (Atomic_Fetch_And_Add); | |

pragma Inline_Always (Atomic_Fetch_And_Subtract); | |

pragma Inline_Always (Is_Lock_Free); | |

end System.Atomic_Operations.Modular_Arithmetic; |