Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-atopar.ads @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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1 ------------------------------------------------------------------------------ | |
2 -- -- | |
3 -- GNAT RUN-TIME COMPONENTS -- | |
4 -- -- | |
5 -- System.Atomic_Operations.Arithmetic -- | |
6 -- -- | |
7 -- S p e c -- | |
8 -- -- | |
9 -- Copyright (C) 2019, Free Software Foundation, Inc. -- | |
10 -- -- | |
11 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
12 -- terms of the GNU General Public License as published by the Free Soft- -- | |
13 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
16 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
17 -- -- | |
18 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
19 -- additional permissions described in the GCC Runtime Library Exception, -- | |
20 -- version 3.1, as published by the Free Software Foundation. -- | |
21 -- -- | |
22 -- You should have received a copy of the GNU General Public License and -- | |
23 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
25 -- <http://www.gnu.org/licenses/>. -- | |
26 -- -- | |
27 -- GNAT was originally developed by the GNAT team at New York University. -- | |
28 -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
29 -- -- | |
30 ------------------------------------------------------------------------------ | |
31 | |
32 pragma Ada_2020; | |
33 | |
34 generic | |
35 type Atomic_Type is range <> with Atomic; | |
36 package System.Atomic_Operations.Arithmetic | |
37 with Pure | |
38 -- Nonblocking | |
39 is | |
40 procedure Atomic_Add | |
41 (Item : aliased in out Atomic_Type; | |
42 Value : Atomic_Type) with Convention => Intrinsic; | |
43 | |
44 procedure Atomic_Subtract | |
45 (Item : aliased in out Atomic_Type; | |
46 Value : Atomic_Type) with Convention => Intrinsic; | |
47 | |
48 function Atomic_Fetch_And_Add | |
49 (Item : aliased in out Atomic_Type; | |
50 Value : Atomic_Type) return Atomic_Type with Convention => Intrinsic; | |
51 | |
52 function Atomic_Fetch_And_Subtract | |
53 (Item : aliased in out Atomic_Type; | |
54 Value : Atomic_Type) return Atomic_Type with Convention => Intrinsic; | |
55 | |
56 function Is_Lock_Free | |
57 (Item : aliased Atomic_Type) return Boolean with Convention => Intrinsic; | |
58 | |
59 private | |
60 pragma Inline_Always (Atomic_Add); | |
61 pragma Inline_Always (Atomic_Subtract); | |
62 pragma Inline_Always (Atomic_Fetch_And_Add); | |
63 pragma Inline_Always (Atomic_Fetch_And_Subtract); | |
64 pragma Inline_Always (Is_Lock_Free); | |
65 end System.Atomic_Operations.Arithmetic; |