| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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 -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2005, 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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. -- |
| -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| package System.Interrupt_Management.Operations is |
| |
| procedure Thread_Block_Interrupt (Interrupt : Interrupt_ID); |
| pragma Inline (Thread_Block_Interrupt); |
| -- Mask the calling thread for the interrupt |
| |
| procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID); |
| 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. |
| |
| procedure Get_Interrupt_Mask (Mask : access Interrupt_Mask); |
| pragma Inline (Get_Interrupt_Mask); |
| -- Get the interrupt mask of the calling thread |
| |
| function Interrupt_Wait (Mask : access Interrupt_Mask) return Interrupt_ID; |
| 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); |
| pragma Inline (Install_Default_Action); |
| -- Set the sigaction of the Interrupt to default (SIG_DFL) |
| |
| procedure Install_Ignore_Action (Interrupt : Interrupt_ID); |
| pragma Inline (Install_Ignore_Action); |
| -- Set the sigaction of the Interrupt to ignore (SIG_IGN) |
| |
| procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask); |
| pragma Inline (Fill_Interrupt_Mask); |
| -- Get a Interrupt_Mask with all the interrupt masked |
| |
| procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask); |
| 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); |
| 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); |
| 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; |
| 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); |
| pragma Inline (Copy_Interrupt_Mask); |
| -- Assigment needed for limited private type Interrupt_Mask |
| |
| procedure Interrupt_Self_Process (Interrupt : Interrupt_ID); |
| 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. |
| |
| -- 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) |
| |
| 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; |
