summaryrefslogtreecommitdiffstats
path: root/cpukit/include/adainclude/rtems-tasks.adb
blob: a9dd3345819e5c74bfa1ba73862e4a1bef3e25fe (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
-- SPDX-License-Identifier: BSD-2-Clause

--
--  RTEMS / Body
--
--  DESCRIPTION:
--
--  This package provides the interface to the RTEMS API.
--
--
--  DEPENDENCIES:
--
--
--
--  COPYRIGHT (c) 1997-2008.
--  On-Line Applications Research Corporation (OAR).
--
--  Redistribution and use in source and binary forms, with or without
--  modification, are permitted provided that the following conditions
--  are met:
--  1. Redistributions of source code must retain the above copyright
--     notice, this list of conditions and the following disclaimer.
--  2. Redistributions in binary form must reproduce the above copyright
--     notice, this list of conditions and the following disclaimer in the
--     documentation and/or other materials provided with the distribution.
--
--  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
--  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
--  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
--  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
--  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
--  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
--  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
--  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
--  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
--  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
--  POSSIBILITY OF SUCH DAMAGE.
--

package body RTEMS.Tasks is

   --
   --  Task Manager
   --

   procedure Create
     (Name             : in RTEMS.Name;
      Initial_Priority : in Priority;
      Stack_Size       : in RTEMS.Size;
      Initial_Modes    : in RTEMS.Mode;
      Attribute_Set    : in RTEMS.Attribute;
      ID               : out RTEMS.ID;
      Result           : out RTEMS.Status_Codes)
   is
      function Create_Base
        (Name             : RTEMS.Name;
         Initial_Priority : Priority;
         Stack_Size       : RTEMS.Size;
         Initial_Modes    : RTEMS.Mode;
         Attribute_Set    : RTEMS.Attribute;
         ID               : access RTEMS.ID)
         return             RTEMS.Status_Codes;
      pragma Import (C, Create_Base, "rtems_task_create");
      ID_Base : aliased RTEMS.ID;
   begin
      Result :=
         Create_Base
           (Name,
            Initial_Priority,
            Stack_Size,
            Initial_Modes,
            Attribute_Set,
            ID_Base'Access);
      ID     := ID_Base;
   end Create;

   procedure Ident
     (Name   : in RTEMS.Name;
      Node   : in RTEMS.Node;
      ID     : out RTEMS.ID;
      Result : out RTEMS.Status_Codes)
   is

      function Ident_Base
        (Name : RTEMS.Name;
         Node : RTEMS.Node;
         ID   : access RTEMS.ID)
         return RTEMS.Status_Codes;
      pragma Import (C, Ident_Base, "rtems_task_ident");
      ID_Base : aliased RTEMS.ID;

   begin

      Result := Ident_Base (Name, Node, ID_Base'Access);
      ID     := ID_Base;

   end Ident;

   procedure Start
     (ID          : in RTEMS.ID;
      Entry_Point : in RTEMS.Tasks.Entry_Point;
      Argument    : in RTEMS.Tasks.Argument;
      Result      : out RTEMS.Status_Codes)
   is
      function Start_Base
        (ID          : RTEMS.ID;
         Entry_Point : RTEMS.Tasks.Entry_Point;
         Argument    : RTEMS.Tasks.Argument)
         return        RTEMS.Status_Codes;
      pragma Import (C, Start_Base, "rtems_task_start");
   begin

      Result := Start_Base (ID, Entry_Point, Argument);

   end Start;

   procedure Restart
     (ID       : in RTEMS.ID;
      Argument : in RTEMS.Tasks.Argument;
      Result   : out RTEMS.Status_Codes)
   is
      function Restart_Base
        (ID       : RTEMS.ID;
         Argument : RTEMS.Tasks.Argument)
         return     RTEMS.Status_Codes;
      pragma Import (C, Restart_Base, "rtems_task_restart");
   begin

      Result := Restart_Base (ID, Argument);

   end Restart;

   procedure Delete
     (ID     : in RTEMS.ID;
      Result : out RTEMS.Status_Codes)
   is
      function Delete_Base (ID : RTEMS.ID) return RTEMS.Status_Codes;
      pragma Import (C, Delete_Base, "rtems_task_delete");
   begin

      Result := Delete_Base (ID);

   end Delete;

   procedure Suspend
     (ID     : in RTEMS.ID;
      Result : out RTEMS.Status_Codes)
   is
      function Suspend_Base (ID : RTEMS.ID) return RTEMS.Status_Codes;
      pragma Import (C, Suspend_Base, "rtems_task_suspend");
   begin

      Result := Suspend_Base (ID);

   end Suspend;

   procedure Resume
     (ID     : in RTEMS.ID;
      Result : out RTEMS.Status_Codes)
   is
      function Resume_Base (ID : RTEMS.ID) return RTEMS.Status_Codes;
      pragma Import (C, Resume_Base, "rtems_task_resume");
   begin

      Result := Resume_Base (ID);

   end Resume;

   procedure Is_Suspended
     (ID     : in RTEMS.ID;
      Result : out RTEMS.Status_Codes)
   is
      function Is_Suspended_Base
        (ID   : RTEMS.ID)
         return RTEMS.Status_Codes;
      pragma Import (C, Is_Suspended_Base, "rtems_task_is_suspended");
   begin

      Result := Is_Suspended_Base (ID);

   end Is_Suspended;

   procedure Set_Priority
     (ID           : in RTEMS.ID;
      New_Priority : in Priority;
      Old_Priority : out Priority;
      Result       : out RTEMS.Status_Codes)
   is
      function Set_Priority_Base
        (ID           : RTEMS.ID;
         New_Priority : Priority;
         Old_Priority : access Priority)
         return         RTEMS.Status_Codes;
      pragma Import (C, Set_Priority_Base, "rtems_task_set_priority");
      Old_Priority_Base : aliased Priority;
   begin

      Result       :=
         Set_Priority_Base (ID, New_Priority, Old_Priority_Base'Access);
      Old_Priority := Old_Priority_Base;

   end Set_Priority;

   procedure Mode
     (Mode_Set          : in RTEMS.Mode;
      Mask              : in RTEMS.Mode;
      Previous_Mode_Set : out RTEMS.Mode;
      Result            : out RTEMS.Status_Codes)
   is
      function Mode_Base
        (Mode_Set          : RTEMS.Mode;
         Mask              : RTEMS.Mode;
         Previous_Mode_Set : access RTEMS.Mode)
         return              RTEMS.Status_Codes;
      pragma Import (C, Mode_Base, "rtems_task_mode");
      Previous_Mode_Set_Base : aliased RTEMS.Mode;
   begin

      Result            :=
         Mode_Base (Mode_Set, Mask, Previous_Mode_Set_Base'Access);
      Previous_Mode_Set := Previous_Mode_Set_Base;

   end Mode;

   procedure Wake_When
     (Time_Buffer : in RTEMS.Time_Of_Day;
      Result      : out RTEMS.Status_Codes)
   is
      function Wake_When_Base
        (Time_Buffer : RTEMS.Time_Of_Day)
         return        RTEMS.Status_Codes;
      pragma Import (C, Wake_When_Base, "rtems_task_wake_when");
   begin

      Result := Wake_When_Base (Time_Buffer);

   end Wake_When;

   procedure Wake_After
     (Ticks  : in RTEMS.Interval;
      Result : out RTEMS.Status_Codes)
   is
      function Wake_After_Base
        (Ticks : RTEMS.Interval)
         return  RTEMS.Status_Codes;
      pragma Import (C, Wake_After_Base, "rtems_task_wake_after");
   begin

      Result := Wake_After_Base (Ticks);

   end Wake_After;

end RTEMS.Tasks;