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Diffstat (limited to 'gcc/ada/s-inmaop.ads')
| -rw-r--r-- | gcc/ada/s-inmaop.ads | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/gcc/ada/s-inmaop.ads b/gcc/ada/s-inmaop.ads new file mode 100644 index 00000000000..173c169331b --- /dev/null +++ b/gcc/ada/s-inmaop.ads @@ -0,0 +1,122 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |