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Diffstat (limited to 'gcc-4.4.0/gcc/ada/s-direio.ads')
| -rw-r--r-- | gcc-4.4.0/gcc/ada/s-direio.ads | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/gcc-4.4.0/gcc/ada/s-direio.ads b/gcc-4.4.0/gcc/ada/s-direio.ads deleted file mode 100644 index 35fcef05d..000000000 --- a/gcc-4.4.0/gcc/ada/s-direio.ads +++ /dev/null @@ -1,142 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT RUN-TIME COMPONENTS -- --- -- --- S Y S T E M . D I R E C T _ I O -- --- -- --- S p e c -- --- -- --- Copyright (C) 1992-2009, Free Software Foundation, Inc. -- --- -- --- GNAT 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 3, or (at your option) any later ver- -- --- sion. GNAT 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. -- --- -- --- As a special exception under Section 7 of GPL version 3, you are granted -- --- additional permissions described in the GCC Runtime Library Exception, -- --- version 3.1, as published by the Free Software Foundation. -- --- -- --- You should have received a copy of the GNU General Public License and -- --- a copy of the GCC Runtime Library Exception along with this program; -- --- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- --- <http://www.gnu.org/licenses/>. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package contains the declaration of the control block used for --- Direct_IO. This must be declared at the outer library level. It also --- contains code that is shared between instances of Direct_IO. - -with Interfaces.C_Streams; -with Ada.Streams; -with System.File_Control_Block; -with System.Storage_Elements; - -package System.Direct_IO is - - package FCB renames System.File_Control_Block; - - type Operation is (Op_Read, Op_Write, Op_Other); - -- Type used to record last operation (to optimize sequential operations) - - subtype Count is Interfaces.C_Streams.long; - -- The Count type in each instantiation is derived from this type - - subtype Positive_Count is Count range 1 .. Count'Last; - - type Direct_AFCB is new FCB.AFCB with record - Index : Count := 1; - -- Current Index value - - Bytes : Interfaces.C_Streams.size_t; - -- Length of item in bytes (set from inside generic template) - - Last_Op : Operation := Op_Other; - -- Last operation performed on file, used to avoid unnecessary - -- repositioning between successive read or write operations. - end record; - - function AFCB_Allocate (Control_Block : Direct_AFCB) return FCB.AFCB_Ptr; - - procedure AFCB_Close (File : not null access Direct_AFCB); - procedure AFCB_Free (File : not null access Direct_AFCB); - - procedure Read - (File : in out Direct_AFCB; - Item : out Ada.Streams.Stream_Element_Array; - Last : out Ada.Streams.Stream_Element_Offset); - -- Required overriding of Read, not actually used for Direct_IO - - procedure Write - (File : in out Direct_AFCB; - Item : Ada.Streams.Stream_Element_Array); - -- Required overriding of Write, not actually used for Direct_IO - - type File_Type is access all Direct_AFCB; - -- File_Type in individual instantiations is derived from this type - - procedure Create - (File : in out File_Type; - Mode : FCB.File_Mode := FCB.Inout_File; - Name : String := ""; - Form : String := ""); - - function End_Of_File (File : File_Type) return Boolean; - - function Index (File : File_Type) return Positive_Count; - - procedure Open - (File : in out File_Type; - Mode : FCB.File_Mode; - Name : String; - Form : String := ""); - - procedure Read - (File : File_Type; - Item : System.Address; - Size : Interfaces.C_Streams.size_t; - From : Positive_Count); - - procedure Read - (File : File_Type; - Item : System.Address; - Size : Interfaces.C_Streams.size_t); - - procedure Reset (File : in out File_Type; Mode : FCB.File_Mode); - procedure Reset (File : in out File_Type); - - procedure Set_Index (File : File_Type; To : Positive_Count); - - function Size (File : File_Type) return Count; - - procedure Write - (File : File_Type; - Item : System.Address; - Size : Interfaces.C_Streams.size_t; - Zeroes : System.Storage_Elements.Storage_Array); - -- Note: Zeroes is the buffer of zeroes used to fill out partial records - - -- The following procedures have a File_Type formal of mode IN OUT because - -- they may close the original file. The Close operation may raise an - -- exception, but in that case we want any assignment to the formal to - -- be effective anyway, so it must be passed by reference (or the caller - -- will be left with a dangling pointer). - - pragma Export_Procedure - (Internal => Reset, - External => "", - Parameter_Types => (File_Type), - Mechanism => Reference); - pragma Export_Procedure - (Internal => Reset, - External => "", - Parameter_Types => (File_Type, FCB.File_Mode), - Mechanism => (File => Reference)); - -end System.Direct_IO; |