Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/a-cusyqu.ads @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 ------------------------------------------------------------------------------ | |
2 -- -- | |
3 -- GNAT LIBRARY COMPONENTS -- | |
4 -- -- | |
5 -- ADA.CONTAINERS.UNBOUNDED_SYNCHRONIZED_QUEUES -- | |
6 -- -- | |
7 -- S p e c -- | |
8 -- -- | |
9 -- Copyright (C) 2011-2017, Free Software Foundation, Inc. -- | |
10 -- -- | |
11 -- This specification is derived from the Ada Reference Manual for use with -- | |
12 -- GNAT. The copyright notice above, and the license provisions that follow -- | |
13 -- apply solely to the contents of the part following the private keyword. -- | |
14 -- -- | |
15 -- GNAT is free software; you can redistribute it and/or modify it under -- | |
16 -- terms of the GNU General Public License as published by the Free Soft- -- | |
17 -- ware Foundation; either version 3, or (at your option) any later ver- -- | |
18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- | |
19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
20 -- or FITNESS FOR A PARTICULAR PURPOSE. -- | |
21 -- -- | |
22 -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
23 -- additional permissions described in the GCC Runtime Library Exception, -- | |
24 -- version 3.1, as published by the Free Software Foundation. -- | |
25 -- -- | |
26 -- You should have received a copy of the GNU General Public License and -- | |
27 -- a copy of the GCC Runtime Library Exception along with this program; -- | |
28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
29 -- <http://www.gnu.org/licenses/>. -- | |
30 -- -- | |
31 -- This unit was originally developed by Matthew J Heaney. -- | |
32 ------------------------------------------------------------------------------ | |
33 | |
34 with System; | |
35 with Ada.Containers.Synchronized_Queue_Interfaces; | |
36 with Ada.Finalization; | |
37 | |
38 generic | |
39 with package Queue_Interfaces is | |
40 new Ada.Containers.Synchronized_Queue_Interfaces (<>); | |
41 | |
42 Default_Ceiling : System.Any_Priority := System.Priority'Last; | |
43 | |
44 package Ada.Containers.Unbounded_Synchronized_Queues is | |
45 pragma Annotate (CodePeer, Skip_Analysis); | |
46 pragma Preelaborate; | |
47 | |
48 package Implementation is | |
49 | |
50 -- All identifiers in this unit are implementation defined | |
51 | |
52 pragma Implementation_Defined; | |
53 | |
54 type List_Type is tagged limited private; | |
55 | |
56 procedure Enqueue | |
57 (List : in out List_Type; | |
58 New_Item : Queue_Interfaces.Element_Type); | |
59 | |
60 procedure Dequeue | |
61 (List : in out List_Type; | |
62 Element : out Queue_Interfaces.Element_Type); | |
63 | |
64 function Length (List : List_Type) return Count_Type; | |
65 | |
66 function Max_Length (List : List_Type) return Count_Type; | |
67 | |
68 private | |
69 | |
70 type Node_Type; | |
71 type Node_Access is access Node_Type; | |
72 | |
73 type Node_Type is limited record | |
74 Element : Queue_Interfaces.Element_Type; | |
75 Next : Node_Access; | |
76 end record; | |
77 | |
78 type List_Type is new Ada.Finalization.Limited_Controlled with record | |
79 First, Last : Node_Access; | |
80 Length : Count_Type := 0; | |
81 Max_Length : Count_Type := 0; | |
82 end record; | |
83 | |
84 overriding procedure Finalize (List : in out List_Type); | |
85 | |
86 end Implementation; | |
87 | |
88 protected type Queue | |
89 (Ceiling : System.Any_Priority := Default_Ceiling) | |
90 with | |
91 Priority => Ceiling | |
92 is new Queue_Interfaces.Queue with | |
93 | |
94 overriding entry Enqueue (New_Item : Queue_Interfaces.Element_Type); | |
95 | |
96 overriding entry Dequeue (Element : out Queue_Interfaces.Element_Type); | |
97 | |
98 overriding function Current_Use return Count_Type; | |
99 | |
100 overriding function Peak_Use return Count_Type; | |
101 | |
102 private | |
103 List : Implementation.List_Type; | |
104 end Queue; | |
105 | |
106 end Ada.Containers.Unbounded_Synchronized_Queues; |