include/adainclude/rtems-event.adb

0001 -- SPDX-License-Identifier: BSD-2-Clause
0002
0003 --
0004 --  RTEMS / Body
0005 --
0006 --  DESCRIPTION:
0007 --
0008 --  This package provides the interface to the RTEMS API.
0009 --
0010 --
0011 --  DEPENDENCIES:
0012 --
0013 --
0014 --
0015 --  COPYRIGHT (c) 1997-2011.
0016 --  On-Line Applications Research Corporation (OAR).
0017 --
0018 --  Redistribution and use in source and binary forms, with or without
0019 --  modification, are permitted provided that the following conditions
0020 --  are met:
0021 --  1. Redistributions of source code must retain the above copyright
0022 --     notice, this list of conditions and the following disclaimer.
0023 --  2. Redistributions in binary form must reproduce the above copyright
0024 --     notice, this list of conditions and the following disclaimer in the
0025 --     documentation and/or other materials provided with the distribution.
0026 --
0027 --  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0028 --  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0029 --  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0030 --  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0031 --  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0032 --  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0033 --  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0034 --  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0035 --  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0036 --  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0037 --  POSSIBILITY OF SUCH DAMAGE.
0038 --
0039
0040 package body RTEMS.Event is
0041
0042    --
0043    -- Event Manager
0044    --
0045
0046    procedure Send
0047      (ID       : in RTEMS.ID;
0048       Event_In : in RTEMS.Event_Set;
0049       Result   : out RTEMS.Status_Codes)
0050    is
0051       function Send_Base
0052         (ID       : RTEMS.ID;
0053          Event_In : RTEMS.Event_Set)
0054          return     RTEMS.Status_Codes;
0055       pragma Import (C, Send_Base, "rtems_event_send");
0056    begin
0057
0058       Result := Send_Base (ID, Event_In);
0059
0060    end Send;
0061
0062    procedure Receive
0063      (Event_In   : in RTEMS.Event_Set;
0064       Option_Set : in RTEMS.Option;
0065       Ticks      : in RTEMS.Interval;
0066       Event_Out  : out RTEMS.Event_Set;
0067       Result     : out RTEMS.Status_Codes)
0068    is
0069       function Receive_Base
0070         (Event_In   : RTEMS.Event_Set;
0071          Option_Set : RTEMS.Option;
0072          Ticks      : RTEMS.Interval;
0073          Event_Out  : access RTEMS.Event_Set)
0074          return       RTEMS.Status_Codes;
0075       pragma Import (C, Receive_Base, "rtems_event_receive");
0076       Event_Out_Base : aliased RTEMS.Event_Set;
0077    begin
0078
0079       Result    :=
0080          Receive_Base
0081            (Event_In,
0082             Option_Set,
0083             Ticks,
0084             Event_Out_Base'Access);
0085       Event_Out := Event_Out_Base;
0086
0087    end Receive;
0088
0089 end RTEMS.Event;