------------------------------------------------------------------------------
-- --
--- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS --
+-- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
-- --
--- S Y S T E M . I N T E R R U P T _ M A N A G E M E N T . --
--- O P E R A T I O N S --
+-- SYSTEM.INTERRUPT_MANAGEMENT.OPERATIONS --
-- --
-- S p e c --
-- --
--- $Revision: 1.4 $ --
--- --
--- Copyright (C) 1992-1998, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
-- --
-- GNARL is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
--- ware Foundation; either version 2, or (at your option) any later ver- --
--- sion. GNARL is distributed in the hope that it will be useful, but WITH- --
+-- ware Foundation; either version 3, or (at your option) any later ver- --
+-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
--- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
--- for more details. You should have received a copy of the GNU General --
--- Public License distributed with GNARL; see file COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
--- GNARL was developed by the GNARL team at Florida State University. It is --
--- now maintained by Ada Core Technologies Inc. in cooperation with Florida --
--- State University (http://www.gnat.com). --
+-- GNARL was developed by the GNARL team at Florida State University. --
+-- Extensive contributions were provided by Ada Core Technologies, Inc. --
-- --
------------------------------------------------------------------------------
package System.Interrupt_Management.Operations is
procedure Thread_Block_Interrupt (Interrupt : Interrupt_ID);
- -- Mask the calling thread for the interrupt
pragma Inline (Thread_Block_Interrupt);
+ -- Mask the calling thread for the interrupt
procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID);
- -- Unmask the calling thread for the interrupt
pragma Inline (Thread_Unblock_Interrupt);
+ -- Unmask the calling thread for the interrupt
procedure Set_Interrupt_Mask (Mask : access Interrupt_Mask);
-- Set the interrupt mask of the calling thread
+
procedure Set_Interrupt_Mask
(Mask : access Interrupt_Mask;
OMask : access Interrupt_Mask);
+ pragma Inline (Set_Interrupt_Mask);
-- Set the interrupt mask of the calling thread while returning the
-- previous Mask.
- pragma Inline (Set_Interrupt_Mask);
procedure Get_Interrupt_Mask (Mask : access Interrupt_Mask);
- -- Get the interrupt mask of the calling thread
pragma Inline (Get_Interrupt_Mask);
+ -- Get the interrupt mask of the calling thread
function Interrupt_Wait (Mask : access Interrupt_Mask) return Interrupt_ID;
- -- Wait for the interrupts specified in Mask and return
- -- the interrupt received. Upon error it return 0.
pragma Inline (Interrupt_Wait);
+ -- Wait for the interrupts specified in Mask and return
+ -- the interrupt received. Return 0 upon error.
procedure Install_Default_Action (Interrupt : Interrupt_ID);
- -- Set the sigaction of the Interrupt to default (SIG_DFL).
pragma Inline (Install_Default_Action);
+ -- Set the sigaction of the Interrupt to default (SIG_DFL)
procedure Install_Ignore_Action (Interrupt : Interrupt_ID);
- -- Set the sigaction of the Interrupt to ignore (SIG_IGN).
pragma Inline (Install_Ignore_Action);
+ -- Set the sigaction of the Interrupt to ignore (SIG_IGN)
procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask);
- -- Get a Interrupt_Mask with all the interrupt masked
pragma Inline (Fill_Interrupt_Mask);
+ -- Get a Interrupt_Mask with all the interrupt masked
procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask);
- -- Get a Interrupt_Mask with all the interrupt unmasked
pragma Inline (Empty_Interrupt_Mask);
+ -- Get a Interrupt_Mask with all the interrupt unmasked
procedure Add_To_Interrupt_Mask
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID);
- -- Mask the given interrupt in the Interrupt_Mask
pragma Inline (Add_To_Interrupt_Mask);
+ -- Mask the given interrupt in the Interrupt_Mask
procedure Delete_From_Interrupt_Mask
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID);
- -- Unmask the given interrupt in the Interrupt_Mask
pragma Inline (Delete_From_Interrupt_Mask);
+ -- Unmask the given interrupt in the Interrupt_Mask
function Is_Member
(Mask : access Interrupt_Mask;
Interrupt : Interrupt_ID) return Boolean;
- -- See if a given interrupt is masked in the Interrupt_Mask
pragma Inline (Is_Member);
+ -- See if a given interrupt is masked in the Interrupt_Mask
procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask);
- -- Assigment needed for limited private type Interrupt_Mask.
pragma Inline (Copy_Interrupt_Mask);
+ -- Assignment needed for limited private type Interrupt_Mask
procedure Interrupt_Self_Process (Interrupt : Interrupt_ID);
- -- raise an Interrupt process-level
pragma Inline (Interrupt_Self_Process);
+ -- Raise an Interrupt process-level
+
+ procedure Setup_Interrupt_Mask;
+ -- Mask Environment task for all signals
+ -- This function should be called by the elaboration of System.Interrupt
+ -- to set up proper signal masking in all tasks.
+
+ -- The following objects serve as constants, but are initialized in the
+ -- body to aid portability. These should be in System.Interrupt_Management
+ -- but since Interrupt_Mask is private type we cannot have them declared
+ -- there.
- -- The following objects serve as constants, but are initialized
- -- in the body to aid portability. These actually belong to the
- -- System.Interrupt_Management but since Interrupt_Mask is a
- -- private type we can not have them declared there.
+ -- Why not make these deferred constants that are initialized using
+ -- function calls in the private part???
Environment_Mask : aliased Interrupt_Mask;
- -- This mask represents the mask of Environment task when this package
- -- is being elaborated, except the signals being
- -- forced to be unmasked by RTS (items in Keep_Unmasked)
+ -- This mask represents the mask of Environment task when this package is
+ -- being elaborated, except the signals being forced to be unmasked by RTS
+ -- (items in Keep_Unmasked)
All_Tasks_Mask : aliased Interrupt_Mask;
-- This is the mask of all tasks created in RTS. Only one task in RTS
OSDN Git Service
