projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| cacbc350 RK |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNU ADA RUN-TIME LIBRARY (GNARL) COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- 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 . -- | |
| 6 | -- O P E R A T I O N S -- | |
| 7 | -- -- | |
| 8 | -- S p e c -- | |
| 9 | -- -- | |
| cacbc350 RK |
10 | -- Copyright (C) 1992-1998, Free Software Foundation, Inc. -- |
| 11 | -- -- | |
| 12 | -- GNARL is free software; you can redistribute it and/or modify it under -- | |
| 13 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 14 | -- ware Foundation; either version 2, or (at your option) any later ver- -- | |
| 15 | -- sion. GNARL is distributed in the hope that it will be useful, but WITH- -- | |
| 16 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 17 | -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- | |
| 18 | -- for more details. You should have received a copy of the GNU General -- | |
| 19 | -- Public License distributed with GNARL; see file COPYING. If not, write -- | |
| 20 | -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- | |
| 21 | -- MA 02111-1307, USA. -- | |
| 22 | -- -- | |
| 23 | -- As a special exception, if other files instantiate generics from this -- | |
| 24 | -- unit, or you link this unit with other files to produce an executable, -- | |
| 25 | -- this unit does not by itself cause the resulting executable to be -- | |
| 26 | -- covered by the GNU General Public License. This exception does not -- | |
| 27 | -- however invalidate any other reasons why the executable file might be -- | |
| 28 | -- covered by the GNU Public License. -- | |
| 29 | -- -- | |
| 71ff80dc | 30 | -- GNARL was developed by the GNARL team at Florida State University. -- |
| fbf5a39b | 31 | -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| cacbc350 RK |
32 | -- -- |
| 33 | ------------------------------------------------------------------------------ | |
| 34 | ||
| 35 | package System.Interrupt_Management.Operations is | |
| 36 | ||
| 37 | procedure Thread_Block_Interrupt (Interrupt : Interrupt_ID); | |
| 38 | -- Mask the calling thread for the interrupt | |
| 39 | pragma Inline (Thread_Block_Interrupt); | |
| 40 | ||
| 41 | procedure Thread_Unblock_Interrupt (Interrupt : Interrupt_ID); | |
| 42 | -- Unmask the calling thread for the interrupt | |
| 43 | pragma Inline (Thread_Unblock_Interrupt); | |
| 44 | ||
| 45 | procedure Set_Interrupt_Mask (Mask : access Interrupt_Mask); | |
| 46 | -- Set the interrupt mask of the calling thread | |
| 47 | procedure Set_Interrupt_Mask | |
| 48 | (Mask : access Interrupt_Mask; | |
| 49 | OMask : access Interrupt_Mask); | |
| 50 | -- Set the interrupt mask of the calling thread while returning the | |
| 51 | -- previous Mask. | |
| 52 | pragma Inline (Set_Interrupt_Mask); | |
| 53 | ||
| 54 | procedure Get_Interrupt_Mask (Mask : access Interrupt_Mask); | |
| 55 | -- Get the interrupt mask of the calling thread | |
| 56 | pragma Inline (Get_Interrupt_Mask); | |
| 57 | ||
| 58 | function Interrupt_Wait (Mask : access Interrupt_Mask) return Interrupt_ID; | |
| 59 | -- Wait for the interrupts specified in Mask and return | |
| 60 | -- the interrupt received. Upon error it return 0. | |
| 61 | pragma Inline (Interrupt_Wait); | |
| 62 | ||
| 63 | procedure Install_Default_Action (Interrupt : Interrupt_ID); | |
| 64 | -- Set the sigaction of the Interrupt to default (SIG_DFL). | |
| 65 | pragma Inline (Install_Default_Action); | |
| 66 | ||
| 67 | procedure Install_Ignore_Action (Interrupt : Interrupt_ID); | |
| 68 | -- Set the sigaction of the Interrupt to ignore (SIG_IGN). | |
| 69 | pragma Inline (Install_Ignore_Action); | |
| 70 | ||
| 71 | procedure Fill_Interrupt_Mask (Mask : access Interrupt_Mask); | |
| 72 | -- Get a Interrupt_Mask with all the interrupt masked | |
| 73 | pragma Inline (Fill_Interrupt_Mask); | |
| 74 | ||
| 75 | procedure Empty_Interrupt_Mask (Mask : access Interrupt_Mask); | |
| 76 | -- Get a Interrupt_Mask with all the interrupt unmasked | |
| 77 | pragma Inline (Empty_Interrupt_Mask); | |
| 78 | ||
| 79 | procedure Add_To_Interrupt_Mask | |
| 80 | (Mask : access Interrupt_Mask; | |
| 81 | Interrupt : Interrupt_ID); | |
| 82 | -- Mask the given interrupt in the Interrupt_Mask | |
| 83 | pragma Inline (Add_To_Interrupt_Mask); | |
| 84 | ||
| 85 | procedure Delete_From_Interrupt_Mask | |
| 86 | (Mask : access Interrupt_Mask; | |
| 87 | Interrupt : Interrupt_ID); | |
| 88 | -- Unmask the given interrupt in the Interrupt_Mask | |
| 89 | pragma Inline (Delete_From_Interrupt_Mask); | |
| 90 | ||
| 91 | function Is_Member | |
| 92 | (Mask : access Interrupt_Mask; | |
| 93 | Interrupt : Interrupt_ID) return Boolean; | |
| 94 | -- See if a given interrupt is masked in the Interrupt_Mask | |
| 95 | pragma Inline (Is_Member); | |
| 96 | ||
| 97 | procedure Copy_Interrupt_Mask (X : out Interrupt_Mask; Y : Interrupt_Mask); | |
| 98 | -- Assigment needed for limited private type Interrupt_Mask. | |
| 99 | pragma Inline (Copy_Interrupt_Mask); | |
| 100 | ||
| 101 | procedure Interrupt_Self_Process (Interrupt : Interrupt_ID); | |
| 102 | -- raise an Interrupt process-level | |
| 103 | pragma Inline (Interrupt_Self_Process); | |
| 104 | ||
| 105 | -- The following objects serve as constants, but are initialized | |
| 106 | -- in the body to aid portability. These actually belong to the | |
| 107 | -- System.Interrupt_Management but since Interrupt_Mask is a | |
| 108 | -- private type we can not have them declared there. | |
| 109 | ||
| 110 | Environment_Mask : aliased Interrupt_Mask; | |
| 111 | -- This mask represents the mask of Environment task when this package | |
| 112 | -- is being elaborated, except the signals being | |
| 113 | -- forced to be unmasked by RTS (items in Keep_Unmasked) | |
| 114 | ||
| 115 | All_Tasks_Mask : aliased Interrupt_Mask; | |
| 116 | -- This is the mask of all tasks created in RTS. Only one task in RTS | |
| 117 | -- is responsible for masking/unmasking signals (see s-interr.adb). | |
| 118 | ||
| 119 | end System.Interrupt_Management.Operations; |