New Language: Ada

From-SVN: r45957

1 files changed, 122 insertions, 0 deletions

diff --git a/gcc/ada/s-inmaop.ads b/gcc/ada/s-inmaop.ads
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+------------------------------------------------------------------------------
+--                                                                          --
+--                GNU ADA 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                          --
+--                                                                          --
+--                                  S p e c                                 --
+--                                                                          --
+--                             $Revision: 1.4 $                            --
+--                                                                          --
+--          Copyright (C) 1992-1998, 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- --
+-- 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.                                                      --
+--                                                                          --
+-- 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.                                      --
+--                                                                          --
+-- 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).                                  --
+--                                                                          --
+------------------------------------------------------------------------------
+
+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);
+
+   procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID);
+   --  Unmask the calling thread for the interrupt
+   pragma Inline (Thread_Unblock_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);
+   --  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);
+
+   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);
+
+   procedure Install_Default_Action (Interrupt : Interrupt_ID);
+   --  Set the sigaction of the Interrupt to default (SIG_DFL).
+   pragma Inline (Install_Default_Action);
+
+   procedure Install_Ignore_Action (Interrupt : Interrupt_ID);
+   --  Set the sigaction of the Interrupt to ignore (SIG_IGN).
+   pragma Inline (Install_Ignore_Action);
+
+   procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask);
+   --  Get a Interrupt_Mask with all the interrupt masked
+   pragma Inline (Fill_Interrupt_Mask);
+
+   procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask);
+   --  Get a Interrupt_Mask with all the interrupt unmasked
+   pragma Inline (Empty_Interrupt_Mask);
+
+   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);
+
+   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);
+
+   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);
+
+   procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask);
+   --  Assigment needed for limited private type Interrupt_Mask.
+   pragma Inline (Copy_Interrupt_Mask);
+
+   procedure Interrupt_Self_Process (Interrupt : Interrupt_ID);
+   --  raise an Interrupt process-level
+   pragma Inline (Interrupt_Self_Process);
+
+   --  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.
+
+   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)
+
+   All_Tasks_Mask : aliased Interrupt_Mask;
+   --  This is the mask of all tasks created in RTS. Only one task in RTS
+   --  is responsible for masking/unmasking signals (see s-interr.adb).
+
+end System.Interrupt_Management.Operations;