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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [s-inmaop.ads] - Blame information for rev 706

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1 706 jeremybenn
------------------------------------------------------------------------------
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--                                                                          --
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--                 GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS                 --
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--                                                                          --
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--                  SYSTEM.INTERRUPT_MANAGEMENT.OPERATIONS                  --
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--                                                                          --
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--                                  S p e c                                 --
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--                                                                          --
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--          Copyright (C) 1992-2009, Free Software Foundation, Inc.         --
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--                                                                          --
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-- GNARL is free software; you can  redistribute it  and/or modify it under --
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-- terms of the  GNU General Public License as published  by the Free Soft- --
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-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
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-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
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--                                                                          --
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-- As a special exception under Section 7 of GPL version 3, you are granted --
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-- additional permissions described in the GCC Runtime Library Exception,   --
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-- version 3.1, as published by the Free Software Foundation.               --
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--                                                                          --
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-- You should have received a copy of the GNU General Public License and    --
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-- a copy of the GCC Runtime Library Exception along with this program;     --
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-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
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-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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-- GNARL was developed by the GNARL team at Florida State University.       --
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-- Extensive contributions were provided by Ada Core Technologies, Inc.     --
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--                                                                          --
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------------------------------------------------------------------------------
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package System.Interrupt_Management.Operations is
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   procedure Thread_Block_Interrupt (Interrupt : Interrupt_ID);
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   pragma Inline (Thread_Block_Interrupt);
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   --  Mask the calling thread for the interrupt
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   procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID);
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   pragma Inline (Thread_Unblock_Interrupt);
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   --  Unmask the calling thread for the interrupt
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   procedure Set_Interrupt_Mask (Mask : access Interrupt_Mask);
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   --  Set the interrupt mask of the calling thread
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   procedure Set_Interrupt_Mask
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     (Mask  : access Interrupt_Mask;
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      OMask : access Interrupt_Mask);
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   pragma Inline (Set_Interrupt_Mask);
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   --  Set the interrupt mask of the calling thread while returning the
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   --  previous Mask.
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   procedure Get_Interrupt_Mask (Mask : access Interrupt_Mask);
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   pragma Inline (Get_Interrupt_Mask);
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   --  Get the interrupt mask of the calling thread
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   function Interrupt_Wait (Mask : access Interrupt_Mask) return Interrupt_ID;
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   pragma Inline (Interrupt_Wait);
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   --  Wait for the interrupts specified in Mask and return
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   --  the interrupt received. Return 0 upon error.
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   procedure Install_Default_Action (Interrupt : Interrupt_ID);
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   pragma Inline (Install_Default_Action);
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   --  Set the sigaction of the Interrupt to default (SIG_DFL)
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   procedure Install_Ignore_Action (Interrupt : Interrupt_ID);
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   pragma Inline (Install_Ignore_Action);
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   --  Set the sigaction of the Interrupt to ignore (SIG_IGN)
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   procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask);
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   pragma Inline (Fill_Interrupt_Mask);
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   --  Get a Interrupt_Mask with all the interrupt masked
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   procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask);
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   pragma Inline (Empty_Interrupt_Mask);
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   --  Get a Interrupt_Mask with all the interrupt unmasked
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   procedure Add_To_Interrupt_Mask
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     (Mask      : access Interrupt_Mask;
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      Interrupt : Interrupt_ID);
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   pragma Inline (Add_To_Interrupt_Mask);
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   --  Mask the given interrupt in the Interrupt_Mask
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   procedure Delete_From_Interrupt_Mask
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     (Mask      : access Interrupt_Mask;
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      Interrupt : Interrupt_ID);
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   pragma Inline (Delete_From_Interrupt_Mask);
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   --  Unmask the given interrupt in the Interrupt_Mask
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   function Is_Member
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     (Mask      : access Interrupt_Mask;
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      Interrupt : Interrupt_ID) return Boolean;
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   pragma Inline (Is_Member);
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   --  See if a given interrupt is masked in the Interrupt_Mask
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   procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask);
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   pragma Inline (Copy_Interrupt_Mask);
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   --  Assignment needed for limited private type Interrupt_Mask
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   procedure Interrupt_Self_Process (Interrupt : Interrupt_ID);
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   pragma Inline (Interrupt_Self_Process);
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   --  Raise an Interrupt process-level
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   procedure Setup_Interrupt_Mask;
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   --  Mask Environment task for all signals
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   --  This function should be called by the elaboration of System.Interrupt
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   --  to set up proper signal masking in all tasks.
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   --  The following objects serve as constants, but are initialized in the
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   --  body to aid portability. These should be in System.Interrupt_Management
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   --  but since Interrupt_Mask is private type we cannot have them declared
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   --  there.
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   --  Why not make these deferred constants that are initialized using
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   --  function calls in the private part???
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   Environment_Mask : aliased Interrupt_Mask;
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   --  This mask represents the mask of Environment task when this package is
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   --  being elaborated, except the signals being forced to be unmasked by RTS
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   --  (items in Keep_Unmasked)
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   All_Tasks_Mask : aliased Interrupt_Mask;
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   --  This is the mask of all tasks created in RTS. Only one task in RTS
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   --  is responsible for masking/unmasking signals (see s-interr.adb).
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end System.Interrupt_Management.Operations;

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