-- --
-- B o d y --
-- --
--- Copyright (C) 2002-2006, AdaCore --
+-- Copyright (C) 2002-2009, 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- --
-- This is the VMS version
-with System; use System;
-with Ada.Calendar; use Ada.Calendar;
+with System; use System;
+with Ada.Calendar; use Ada.Calendar;
with GNAT.IO;
-with GNAT.OS_Lib; use GNAT.OS_Lib;
-with GNAT.Regpat; use GNAT.Regpat;
+with GNAT.OS_Lib; use GNAT.OS_Lib;
+with GNAT.Regpat; use GNAT.Regpat;
-with Unchecked_Deallocation;
+with Ada.Unchecked_Deallocation;
package body GNAT.Expect is
-- Reinitialize the internal buffer.
-- The buffer is deleted up to the end of the last match.
- procedure Free is new Unchecked_Deallocation
+ procedure Free is new Ada.Unchecked_Deallocation
(Pattern_Matcher, Pattern_Matcher_Access);
procedure Call_Filters
procedure Kill (Pid : Process_Id; Sig_Num : Integer);
pragma Import (C, Kill, "decc$kill");
- function Create_Pipe (Pipe : access Pipe_Type) return Integer;
+ function Create_Pipe (Pipe : not null access Pipe_Type) return Integer;
pragma Import (C, Create_Pipe, "__gnat_pipe");
function Poll
Close (Descriptor.Output_Fd);
-- ??? Should have timeouts for different signals
- Kill (Descriptor.Pid, 9);
+
+ if Descriptor.Pid > 0 then -- see comment in Send_Signal
+ Kill (Descriptor.Pid, Sig_Num => 9);
+ end if;
GNAT.OS_Lib.Free (Descriptor.Buffer);
Descriptor.Buffer_Size := 0;
- Status := Waitpid (Descriptor.Pid);
+ -- Check process id (see comment in Send_Signal)
+
+ if Descriptor.Pid > 0 then
+ Status := Waitpid (Descriptor.Pid);
+ else
+ raise Invalid_Process;
+ end if;
end Close;
procedure Close (Descriptor : in out Process_Descriptor) is
(Descriptor : in out Process_Descriptor;
Result : out Expect_Match;
Regexp : String;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
begin
Result : out Expect_Match;
Regexp : String;
Matched : out GNAT.Regpat.Match_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
begin
(Descriptor : in out Process_Descriptor;
Result : out Expect_Match;
Regexp : GNAT.Regpat.Pattern_Matcher;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
Matched : GNAT.Regpat.Match_Array (0 .. 0);
Result : out Expect_Match;
Regexp : GNAT.Regpat.Pattern_Matcher;
Matched : out GNAT.Regpat.Match_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
N : Expect_Match;
return;
end if;
- -- Calculate the timeout for the next turn.
+ -- Calculate the timeout for the next turn
+
-- Note that Timeout is, from the caller's perspective, the maximum
-- time until a match, not the maximum time until some output is
-- read, and thus cannot be reused as is for Expect_Internal.
(Descriptor : in out Process_Descriptor;
Result : out Expect_Match;
Regexps : Regexp_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
Patterns : Compiled_Regexp_Array (Regexps'Range);
(Descriptor : in out Process_Descriptor;
Result : out Expect_Match;
Regexps : Compiled_Regexp_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
Matched : GNAT.Regpat.Match_Array (0 .. 0);
procedure Expect
(Result : out Expect_Match;
Regexps : Multiprocess_Regexp_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
Matched : GNAT.Regpat.Match_Array (0 .. 0);
Result : out Expect_Match;
Regexps : Regexp_Array;
Matched : out GNAT.Regpat.Match_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
Patterns : Compiled_Regexp_Array (Regexps'Range);
Result : out Expect_Match;
Regexps : Compiled_Regexp_Array;
Matched : out GNAT.Regpat.Match_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
N : Expect_Match;
(Result : out Expect_Match;
Regexps : Multiprocess_Regexp_Array;
Matched : out GNAT.Regpat.Match_Array;
- Timeout : Integer := 10000;
+ Timeout : Integer := 10_000;
Full_Buffer : Boolean := False)
is
N : Expect_Match;
else
-- Add what we read to the buffer
- if Descriptors (J).Buffer_Index + N - 1 >
+ if Descriptors (J).Buffer_Index + N >
Descriptors (J).Buffer_Size
then
-- If the user wants to know when we have
end if;
end case;
end loop;
-
end Flush;
------------------------
(Command : String;
Arguments : GNAT.OS_Lib.Argument_List;
Input : String;
- Status : access Integer;
+ Status : not null access Integer;
Err_To_Out : Boolean := False) return String
is
use GNAT.Expect;
procedure Interrupt (Descriptor : in out Process_Descriptor) is
SIGINT : constant := 2;
-
begin
Send_Signal (Descriptor, SIGINT);
end Interrupt;
Reinitialize_Buffer (Descriptor);
end if;
- if Add_LF then
- Last := Full_Str'Last;
- else
- Last := Full_Str'Last - 1;
- end if;
+ Last := (if Add_LF then Full_Str'Last else Full_Str'Last - 1);
Call_Filters (Descriptor, Full_Str (Full_Str'First .. Last), Input);
- Discard := Write (Descriptor.Input_Fd,
- Full_Str'Address,
- Last - Full_Str'First + 1);
+ Discard :=
+ Write (Descriptor.Input_Fd,
+ Full_Str'Address,
+ Last - Full_Str'First + 1);
-- Shouldn't we at least have a pragma Assert on the result ???
end Send;
Signal : Integer)
is
begin
- Kill (Descriptor.Pid, Signal);
- -- ??? Need to check process status here
+ -- A nonpositive process id passed to kill has special meanings. For
+ -- example, -1 means kill all processes in sight, including self, in
+ -- POSIX and Windows (and something slightly different in Linux). See
+ -- man pages for details. In any case, we don't want to do that. Note
+ -- that Descriptor.Pid will be -1 if the process was not successfully
+ -- started; we don't want to kill ourself in that case.
+
+ if Descriptor.Pid > 0 then
+ Kill (Descriptor.Pid, Signal);
+ -- ??? Need to check process status here
+ else
+ raise Invalid_Process;
+ end if;
end Send_Signal;
---------------------------------
Args : System.Address)
is
pragma Warnings (Off, Pid);
+ pragma Warnings (Off, Pipe1);
+ pragma Warnings (Off, Pipe2);
+ pragma Warnings (Off, Pipe3);
begin
-- Since the code between fork and exec on VMS executes
-- Since we are still called from the parent process, there is no way
-- currently we can cleanly close the unneeded ends of the pipes, but
-- this doesn't really matter.
- -- We could close Pipe1.Output, Pipe2.Input, Pipe3.Input.
+
+ -- We could close Pipe1.Output, Pipe2.Input, Pipe3.Input
Dup2 (Pipe1.Input, GNAT.OS_Lib.Standin);
Dup2 (Pipe2.Output, GNAT.OS_Lib.Standout);
Dup2 (Pipe3.Output, GNAT.OS_Lib.Standerr);
- Portable_Execvp (Pid.Pid'Access, Cmd & ASCII.Nul, Args);
-
+ Portable_Execvp (Pid.Pid'Access, Cmd & ASCII.NUL, Args);
end Set_Up_Child_Communications;
---------------------------
procedure Set_Up_Communications
(Pid : in out Process_Descriptor;
Err_To_Out : Boolean;
- Pipe1 : access Pipe_Type;
- Pipe2 : access Pipe_Type;
- Pipe3 : access Pipe_Type)
+ Pipe1 : not null access Pipe_Type;
+ Pipe2 : not null access Pipe_Type;
+ Pipe3 : not null access Pipe_Type)
is
begin
-- Create the pipes
Pipe3 : in out Pipe_Type)
is
pragma Warnings (Off, Pid);
+ pragma Warnings (Off, Pipe1);
+ pragma Warnings (Off, Pipe2);
+ pragma Warnings (Off, Pipe3);
begin
is
pragma Warnings (Off, Descriptor);
pragma Warnings (Off, User_Data);
-
begin
GNAT.IO.Put (Str);
end Trace_Filter;
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