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398 | -- --
-- package GLib.Spawn_Alt Copyright (c) Dmitry A. Kazakov --
-- Implementation Luebeck --
-- Spring, 2009 --
-- --
-- Last revision : 21:51 06 Jun 2019 --
-- --
-- This library is free software; you can redistribute it and/or --
-- modify it under the terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2 of --
-- the License, or (at your option) any later version. This library --
-- is distributed in the hope that it will be useful, but WITHOUT --
-- 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 along with --
-- this library; if not, write to the Free Software Foundation, --
-- Inc., 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. --
--____________________________________________________________________--
with GLib.Wrappers;
with System.Address_To_Access_Conversions;
package body GLib.Spawn_Alt is
use Interfaces.C;
function G_Spawn_Command_Line_Async_UTF8
( Command_Line : Char_Array;
Error : access GError
) return GBoolean;
pragma Import
( C,
G_Spawn_Command_Line_Async_UTF8,
"g_spawn_command_line_async_utf8"
);
function G_Spawn_Command_Line_Sync_UTF8
( Command_Line : Char_Array;
Standard_Output : access Chars_Ptr;
Standard_Error : access Chars_Ptr;
Exit_Status : access GInt;
Error : access GError
) return GBoolean;
pragma Import
( C,
G_Spawn_Command_Line_Sync_UTF8,
"g_spawn_command_line_sync_utf8"
);
function G_Spawn_Async_UTF8
( Working_Directory : Address;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc;
User_Data : Address;
Child_PID : access GPID;
Error : access GError
) return GBoolean;
pragma Import (C, G_Spawn_Async_UTF8, "g_spawn_async_utf8");
function G_Spawn_Async_With_Pipes_UTF8
( Working_Directory : Address;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc;
User_Data : Address;
Child_PID : access GPID;
Standard_Input : access GInt;
Standard_Output : access GInt;
Standard_Error : access GInt;
Error : access GError
) return GBoolean;
pragma Import
( C,
G_Spawn_Async_With_Pipes_UTF8,
"g_spawn_async_with_pipes_utf8"
);
function G_Spawn_Sync_UTF8
( Working_Directory : Address;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc;
User_Data : Address;
Standard_Output : access Chars_Ptr;
Standard_Error : access Chars_Ptr;
Exit_Status : access GInt;
Error : access GError
) return GBoolean;
pragma Import (C, G_Spawn_Sync_UTF8, "g_spawn_sync_utf8");
function Async
( Working_Directory : UTF8_String;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
Data : Address := Null_Address
) return Async_Result is
PID : aliased GPID;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Async_UTF8
( Working_Directory => To_C (Working_Directory)'Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => Data,
Child_PID => PID'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Running => False,
Pipelined => False,
Error => Error
);
else
return
( Running => True,
Pipelined => False,
PID => PID
);
end if;
end Async;
function Async
( ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
Data : Address := Null_Address
) return Async_Result is
PID : aliased GPID;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Async_UTF8
( Working_Directory => Null_Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => Data,
Child_PID => PID'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Running => False,
Pipelined => False,
Error => Error
);
else
return
( Running => True,
Pipelined => False,
PID => PID
);
end if;
end Async;
function Async_With_Pipes
( Working_Directory : UTF8_String;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
User_Data : Address := Null_Address
) return Async_Result is
PID : aliased GPID;
Standard_Input : aliased GInt;
Standard_Output : aliased GInt;
Standard_Error : aliased GInt;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Async_With_Pipes_UTF8
( Working_Directory => To_C (Working_Directory)'Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => User_Data,
Child_PID => PID'Unchecked_Access,
Standard_Input => Standard_Input'Unchecked_Access,
Standard_Output => Standard_Output'Unchecked_Access,
Standard_Error => Standard_Error'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Running => False,
Pipelined => False,
Error => Error
);
else
return
( Running => True,
Pipelined => True,
PID => PID,
Standard_Input => Standard_Input,
Standard_Output => Standard_Output,
Standard_Error => Standard_Error
);
end if;
end Async_With_Pipes;
function Async_With_Pipes
( ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
User_Data : Address := Null_Address
) return Async_Result is
PID : aliased GPID;
Standard_Input : aliased GInt;
Standard_Output : aliased GInt;
Standard_Error : aliased GInt;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Async_With_Pipes_UTF8
( Working_Directory => Null_Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => User_Data,
Child_PID => PID'Unchecked_Access,
Standard_Input => Standard_Input'Unchecked_Access,
Standard_Output => Standard_Output'Unchecked_Access,
Standard_Error => Standard_Error'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Running => False,
Pipelined => False,
Error => Error
);
else
return
( Running => True,
Pipelined => True,
PID => PID,
Standard_Input => Standard_Input,
Standard_Output => Standard_Output,
Standard_Error => Standard_Error
);
end if;
end Async_With_Pipes;
function Command_Line_Async
( Command_Line : UTF8_String
) return GError is
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Command_Line_Async_UTF8
( To_C (Command_Line),
Error'Unchecked_Access
);
return Error;
end Command_Line_Async;
function Command_Line_Sync (Command_Line : UTF8_String)
return Sync_Result is
Exit_Status : aliased GInt;
Standard_Output : aliased Chars_Ptr := Null_Ptr;
Standard_Error : aliased Chars_Ptr := Null_Ptr;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Command_Line_Sync_UTF8
( Command_Line => To_C (Command_Line),
Standard_Output => Standard_Output'Unchecked_Access,
Standard_Error => Standard_Error'Unchecked_Access,
Exit_Status => Exit_Status'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Executed => False,
Error => Error
);
else
return
( Executed => True,
Exit_Status => Exit_Status,
Standard_Output => Standard_Output,
Standard_Error => Standard_Error
);
end if;
end Command_Line_Sync;
function Sync
( Working_Directory : UTF8_String;
ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
User_Data : Address := Null_Address
) return Sync_Result is
Exit_Status : aliased GInt;
Standard_Output : aliased Chars_Ptr;
Standard_Error : aliased Chars_Ptr;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Sync_UTF8
( Working_Directory => To_C (Working_Directory)'Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => User_Data,
Standard_Output => Standard_Output'Unchecked_Access,
Standard_Error => Standard_Error'Unchecked_Access,
Exit_Status => Exit_Status'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Executed => False,
Error => Error
);
else
return
( Executed => True,
Exit_Status => Exit_Status,
Standard_Output => Standard_Output,
Standard_Error => Standard_Error
);
end if;
end Sync;
function Sync
( ArgV : Chars_Ptr_Lists.Pointer;
EnvP : Chars_Ptr_Lists.Pointer := null;
Flags : GSpawnFlags;
Child_Setup : GSpawnChildSetupFunc := null;
User_Data : Address := Null_Address
) return Sync_Result is
Exit_Status : aliased GInt;
Standard_Output : aliased Chars_Ptr;
Standard_Error : aliased Chars_Ptr;
Error : aliased GError;
Result : GBoolean;
begin
Result :=
G_Spawn_Sync_UTF8
( Working_Directory => Null_Address,
ArgV => ArgV,
EnvP => EnvP,
Flags => Flags,
Child_Setup => Child_Setup,
User_Data => User_Data,
Standard_Output => Standard_Output'Unchecked_Access,
Standard_Error => Standard_Error'Unchecked_Access,
Exit_Status => Exit_Status'Unchecked_Access,
Error => Error'Unchecked_Access
);
if Result = 0 then
return
( Executed => False,
Error => Error
);
else
return
( Executed => True,
Exit_Status => Exit_Status,
Standard_Output => Standard_Output,
Standard_Error => Standard_Error
);
end if;
end Sync;
end GLib.Spawn_Alt;
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