diff options
Diffstat (limited to 'gcc-4.4.3/gcc/ada/g-enblsp-vms-alpha.adb')
| -rw-r--r-- | gcc-4.4.3/gcc/ada/g-enblsp-vms-alpha.adb | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/gcc-4.4.3/gcc/ada/g-enblsp-vms-alpha.adb b/gcc-4.4.3/gcc/ada/g-enblsp-vms-alpha.adb deleted file mode 100644 index 4b703263f..000000000 --- a/gcc-4.4.3/gcc/ada/g-enblsp-vms-alpha.adb +++ /dev/null @@ -1,132 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT COMPILER COMPONENTS -- --- -- --- G N A T . E X P E C T . N O N _ B L O C K I N G _ S P A W N -- --- -- --- B o d y -- --- -- --- Copyright (C) 2005-2008, AdaCore -- --- -- --- 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 2, 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. See the GNU General Public License -- --- for more details. You should have received a copy of the GNU General -- --- Public License distributed with GNAT; 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. -- --- -- --- GNAT was originally developed by the GNAT team at New York University. -- --- Extensive contributions were provided by Ada Core Technologies Inc. -- --- -- ------------------------------------------------------------------------------- - --- This package provides a target dependent non-blocking spawn function --- for use by the VMS GNAT.Expect package (g-expect-vms.adb). This package --- should not be directly with'ed by an application program. - --- This version is for Alpha/VMS - -separate (GNAT.Expect) -procedure Non_Blocking_Spawn - (Descriptor : out Process_Descriptor'Class; - Command : String; - Args : GNAT.OS_Lib.Argument_List; - Buffer_Size : Natural := 4096; - Err_To_Out : Boolean := False) -is - function Alloc_Vfork_Blocks return Integer; - pragma Import (C, Alloc_Vfork_Blocks, "decc$$alloc_vfork_blocks"); - - function Get_Vfork_Jmpbuf return System.Address; - pragma Import (C, Get_Vfork_Jmpbuf, "decc$$get_vfork_jmpbuf"); - - function Get_Current_Invo_Context - (Addr : System.Address) return Process_Id; - pragma Import (C, Get_Current_Invo_Context, - "LIB$GET_CURRENT_INVO_CONTEXT"); - - Pipe1, Pipe2, Pipe3 : aliased Pipe_Type; - - Arg : String_Access; - Arg_List : aliased array (1 .. Args'Length + 2) of System.Address; - - Command_With_Path : String_Access; - -begin - -- Create the rest of the pipes - - Set_Up_Communications - (Descriptor, Err_To_Out, Pipe1'Access, Pipe2'Access, Pipe3'Access); - - Command_With_Path := Locate_Exec_On_Path (Command); - - if Command_With_Path = null then - raise Invalid_Process; - end if; - - -- Fork a new process (it is not possible to do this in a subprogram) - - if Alloc_Vfork_Blocks >= 0 then - Descriptor.Pid := Get_Current_Invo_Context (Get_Vfork_Jmpbuf); - else - Descriptor.Pid := -1; - end if; - - -- Are we now in the child - - if Descriptor.Pid = Null_Pid then - - -- Prepare an array of arguments to pass to C - - Arg := new String (1 .. Command_With_Path'Length + 1); - Arg (1 .. Command_With_Path'Length) := Command_With_Path.all; - Arg (Arg'Last) := ASCII.NUL; - Arg_List (1) := Arg.all'Address; - - for J in Args'Range loop - Arg := new String (1 .. Args (J)'Length + 1); - Arg (1 .. Args (J)'Length) := Args (J).all; - Arg (Arg'Last) := ASCII.NUL; - Arg_List (J + 2 - Args'First) := Arg.all'Address; - end loop; - - Arg_List (Arg_List'Last) := System.Null_Address; - - -- This does not return on Unix systems - - Set_Up_Child_Communications - (Descriptor, Pipe1, Pipe2, Pipe3, Command_With_Path.all, - Arg_List'Address); - end if; - - Free (Command_With_Path); - - -- Did we have an error when spawning the child ? - - if Descriptor.Pid < Null_Pid then - raise Invalid_Process; - else - -- We are now in the parent process - - Set_Up_Parent_Communications (Descriptor, Pipe1, Pipe2, Pipe3); - end if; - - -- Create the buffer - - Descriptor.Buffer_Size := Buffer_Size; - - if Buffer_Size /= 0 then - Descriptor.Buffer := new String (1 .. Positive (Buffer_Size)); - end if; -end Non_Blocking_Spawn; |