Mercurial > hg > CbC > CbC_gcc
comparison gcc/ada/libgnat/s-parint.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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1 ------------------------------------------------------------------------------ | |
2 -- -- | |
3 -- GNAT RUN-TIME COMPONENTS -- | |
4 -- -- | |
5 -- S Y S T E M . P A R T I T I O N _ I N T E R F A C E -- | |
6 -- -- | |
7 -- S p e c -- | |
8 -- -- | |
9 -- Copyright (C) 1995-2017, Free Software Foundation, Inc. -- | |
10 -- -- | |
11 -- GNARL 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 -- This unit may be used directly from an application program by providing | |
33 -- an appropriate WITH, and the interface can be expected to remain stable. | |
34 | |
35 with Ada.Exceptions; | |
36 with Ada.Streams; | |
37 with Interfaces; | |
38 with System.RPC; | |
39 | |
40 package System.Partition_Interface is | |
41 pragma Elaborate_Body; | |
42 | |
43 type DSA_Implementation_Name is (No_DSA, GARLIC_DSA, PolyORB_DSA); | |
44 DSA_Implementation : constant DSA_Implementation_Name := No_DSA; | |
45 -- Identification of this DSA implementation variant | |
46 | |
47 PCS_Version : constant := 1; | |
48 -- Version of the PCS API (for Exp_Dist consistency check) | |
49 -- | |
50 -- This version number is matched against corresponding element of | |
51 -- Exp_Dist.PCS_Version_Number to ensure that the versions of Exp_Dist | |
52 -- and the PCS are consistent. | |
53 | |
54 -- RCI receiving stubs contain a table of descriptors for all user | |
55 -- subprograms exported by the unit. | |
56 | |
57 type Subprogram_Id is new Natural; | |
58 First_RCI_Subprogram_Id : constant := 2; | |
59 | |
60 type RCI_Subp_Info is record | |
61 Addr : System.Address; | |
62 -- Local address of the proxy object | |
63 end record; | |
64 | |
65 type RCI_Subp_Info_Access is access all RCI_Subp_Info; | |
66 type RCI_Subp_Info_Array is array (Integer range <>) of | |
67 aliased RCI_Subp_Info; | |
68 | |
69 subtype Unit_Name is String; | |
70 -- Name of Ada units | |
71 | |
72 type Main_Subprogram_Type is access procedure; | |
73 | |
74 type RACW_Stub_Type is tagged record | |
75 Origin : RPC.Partition_ID; | |
76 Receiver : Interfaces.Unsigned_64; | |
77 Addr : Interfaces.Unsigned_64; | |
78 Asynchronous : Boolean; | |
79 end record; | |
80 | |
81 type RACW_Stub_Type_Access is access RACW_Stub_Type; | |
82 -- This type is used by the expansion to implement distributed objects. | |
83 -- Do not change its definition or its layout without updating | |
84 -- exp_dist.adb. | |
85 | |
86 type RAS_Proxy_Type is tagged limited record | |
87 All_Calls_Remote : Boolean; | |
88 Receiver : System.Address; | |
89 Subp_Id : Subprogram_Id; | |
90 end record; | |
91 | |
92 type RAS_Proxy_Type_Access is access RAS_Proxy_Type; | |
93 pragma No_Strict_Aliasing (RAS_Proxy_Type_Access); | |
94 -- This type is used by the expansion to implement distributed objects. | |
95 -- Do not change its definition or its layout without updating | |
96 -- Exp_Dist.Build_Remote_Subprogram_Proxy_Type. | |
97 | |
98 -- The Request_Access type is used for communication between the PCS | |
99 -- and the RPC receiver generated by the compiler: it contains all the | |
100 -- necessary information for the receiver to process an incoming call. | |
101 | |
102 type RST_Access is access all Ada.Streams.Root_Stream_Type'Class; | |
103 type Request_Access is record | |
104 Params : RST_Access; | |
105 -- A stream describing the called subprogram and its parameters | |
106 | |
107 Result : RST_Access; | |
108 -- A stream where the result, raised exception, or out values, | |
109 -- are marshalled. | |
110 end record; | |
111 | |
112 procedure Check | |
113 (Name : Unit_Name; | |
114 Version : String; | |
115 RCI : Boolean := True); | |
116 -- Use by the main subprogram to check that a remote receiver | |
117 -- unit has the same version than the caller's one. | |
118 | |
119 function Same_Partition | |
120 (Left : not null access RACW_Stub_Type; | |
121 Right : not null access RACW_Stub_Type) return Boolean; | |
122 -- Determine whether Left and Right correspond to objects instantiated | |
123 -- on the same partition, for enforcement of E.4(19). | |
124 | |
125 function Get_Active_Partition_ID (Name : Unit_Name) return RPC.Partition_ID; | |
126 -- Similar in some respects to RCI_Locator.Get_Active_Partition_ID | |
127 | |
128 function Get_Active_Version (Name : Unit_Name) return String; | |
129 -- Similar in some respects to Get_Active_Partition_ID | |
130 | |
131 function Get_Local_Partition_ID return RPC.Partition_ID; | |
132 -- Return the Partition_ID of the current partition | |
133 | |
134 function Get_Passive_Partition_ID | |
135 (Name : Unit_Name) return RPC.Partition_ID; | |
136 -- Return the Partition_ID of the given shared passive partition | |
137 | |
138 function Get_Passive_Version (Name : Unit_Name) return String; | |
139 -- Return the version corresponding to a shared passive unit | |
140 | |
141 function Get_RCI_Package_Receiver | |
142 (Name : Unit_Name) return Interfaces.Unsigned_64; | |
143 -- Similar in some respects to RCI_Locator.Get_RCI_Package_Receiver | |
144 | |
145 procedure Get_Unique_Remote_Pointer | |
146 (Handler : in out RACW_Stub_Type_Access); | |
147 -- Get a unique pointer on a remote object | |
148 | |
149 procedure Raise_Program_Error_Unknown_Tag | |
150 (E : Ada.Exceptions.Exception_Occurrence); | |
151 pragma No_Return (Raise_Program_Error_Unknown_Tag); | |
152 -- Raise Program_Error with the same message as E one | |
153 | |
154 type RPC_Receiver is access procedure (R : Request_Access); | |
155 procedure Register_Receiving_Stub | |
156 (Name : Unit_Name; | |
157 Receiver : RPC_Receiver; | |
158 Version : String := ""; | |
159 Subp_Info : System.Address; | |
160 Subp_Info_Len : Integer); | |
161 -- Register the fact that the Name receiving stub is now elaborated. | |
162 -- Register the access value to the package RPC_Receiver procedure. | |
163 | |
164 procedure Get_RAS_Info | |
165 (Name : Unit_Name; | |
166 Subp_Id : Subprogram_Id; | |
167 Proxy_Address : out Interfaces.Unsigned_64); | |
168 -- Look up the address of the proxy object for the given subprogram | |
169 -- in the named unit, or Null_Address if not present on the local | |
170 -- partition. | |
171 | |
172 procedure Register_Passive_Package | |
173 (Name : Unit_Name; | |
174 Version : String := ""); | |
175 -- Register a passive package | |
176 | |
177 generic | |
178 RCI_Name : String; | |
179 Version : String; | |
180 package RCI_Locator is | |
181 pragma Unreferenced (Version); | |
182 | |
183 function Get_RCI_Package_Receiver return Interfaces.Unsigned_64; | |
184 function Get_Active_Partition_ID return RPC.Partition_ID; | |
185 end RCI_Locator; | |
186 -- RCI package information caching | |
187 | |
188 procedure Run (Main : Main_Subprogram_Type := null); | |
189 -- Run the main subprogram | |
190 | |
191 end System.Partition_Interface; |