package GNATCOLL.OS.Process_Types is
package UTF8 renames Ada.Strings.UTF_Encoding;
-- Unix process handle
type Process_Handle is new Integer;
Invalid_Handle : constant Process_Handle;
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-- Process environment --
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type Environ is limited private;
-- Represent environment passed to a child process
Case_Sensitive_Env_Var_Names : constant Boolean := True;
procedure Inherit (Env : in out Environ);
-- Call inherit to force parent process environment inheritance. When
-- calling Inherit, all previous call to Set_Variable and/or Import are
-- ignored.
procedure Import (Env : in out Environ);
-- Import current process environment into Env. Env can then be modified
-- using Set_Variable.
procedure Set_Variable
(Env : in out Environ;
Name : UTF8.UTF_8_String;
Value : UTF8.UTF_8_String);
-- Set variable Name to Value in Env.
function As_C (Env : Environ) return C_String_Array;
-- Export Env as an array of pointers to null terminated strings,
-- terminated by a null pointer. Each element is of the form "name=value"
procedure Deallocate (Env : in out Environ);
-- Deallocate Env.
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-- Process arguments --
-----------------------
type Arguments is limited private;
-- Represent arguments, including the command used to spawn a process
procedure Add_Argument
(Args : in out Arguments;
Arg : UTF8.UTF_8_String);
-- Add an argument Arg to Args.
function Program (Args : Arguments) return UTF8.UTF_8_String;
-- Return the first argument of Args which correspond to the program name
function Program (Args : Arguments) return C_String;
-- Return the first argument of Args which correspond to the program name
function As_C (Args : Arguments) return C_String_Array;
-- Export Env as an array of pointers to null terminated strings
procedure Deallocate (Args : in out Arguments);
-- Deallocate Args
end GNATCOLL.OS.Process_Types;