--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- 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 Ada Core Technologies, 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 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, 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. --
+-- --
+-- 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's 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 (or, for Windows, still in the common
+ -- process).
+
+ 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;
--- /dev/null
+------------------------------------------------------------------------------
+-- --
+-- 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 Ada Core Technologies, 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 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, 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. --
+-- --
+-- 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 IA64/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 Setjmp1 (Addr : System.Address) return Process_Id;
+ pragma Import (C, Setjmp1, "decc$setjmp1");
+
+ 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's not possible to do this in a subprogram.
+
+ if Alloc_Vfork_Blocks >= 0 then
+ Descriptor.Pid := Setjmp1 (Get_Vfork_Jmpbuf);
+ else
+ Descriptor.Pid := -1;
+ end if;
+
+ -- Are we now in the child (or, for Windows, still in the common
+ -- process).
+
+ 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;
-- --
-- B o d y --
-- --
--- Copyright (C) 2002-2003 Ada Core Technologies, Inc. --
+-- Copyright (C) 2002-2005 Ada Core Technologies, 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- --
------------------------------
function Dup (Fd : File_Descriptor) return File_Descriptor;
- pragma Import (C, Dup);
+ pragma Import (C, Dup, "decc$dup");
procedure Dup2 (Old_Fd, New_Fd : File_Descriptor);
- pragma Import (C, Dup2);
+ pragma Import (C, Dup2, "decc$dup2");
procedure Kill (Pid : Process_Id; Sig_Num : Integer);
- pragma Import (C, Kill);
+ pragma Import (C, Kill, "decc$kill");
function Create_Pipe (Pipe : access Pipe_Type) return Integer;
pragma Import (C, Create_Pipe, "__gnat_pipe");
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's 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 (or, for Windows, still in the common
- -- process).
-
- 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;
+ is separate;
-------------------------
-- Reinitialize_Buffer --
projects / gcc.git / commitdiff