home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
gnat-2.06-src.tgz
/
tar.out
/
fsf
/
gnat
/
ada
/
a-reatim.ads
< prev
next >
Wrap
Text File
|
1996-09-28
|
4KB
|
106 lines
------------------------------------------------------------------------------
-- --
-- GNU ADA RUNTIME LIBRARY (GNARL) COMPONENTS --
-- --
-- A D A . R E A L _ T I M E --
-- --
-- S p e c --
-- --
-- $Revision: 1.17 $ --
-- --
-- This specification is adapted from the Ada Reference Manual for use with --
-- GNAT. In accordance with the copyright of that document, you can freely --
-- copy and modify this specification, provided that if you redistribute a --
-- modified version, any changes that you have made are clearly indicated. --
-- --
------------------------------------------------------------------------------
with System.Task_Clock;
-- Used for, Stimespec and associated constants
with System.Task_Clock.Machine_Specifics;
-- Used for, Stimespec_Ticks
with System.Tasking;
-- Used for, Protection
package Ada.Real_Time is
type Time is private;
Time_First : constant Time;
Time_Last : constant Time;
Time_Unit : constant := 10#1.0#E-9;
type Time_Span is private;
Time_Span_First : constant Time_Span;
Time_Span_Last : constant Time_Span;
Time_Span_Zero : constant Time_Span;
Time_Span_Unit : constant Time_Span;
Tick : constant Time_Span;
function Clock return Time;
function "+" (Left : Time; Right : Time_Span) return Time;
function "+" (Left : Time_Span; Right : Time) return Time;
function "-" (Left : Time; Right : Time_Span) return Time;
function "-" (Left : Time; Right : Time) return Time_Span;
function "<" (Left, Right : Time) return Boolean;
function "<=" (Left, Right : Time) return Boolean;
function ">" (Left, Right : Time) return Boolean;
function ">=" (Left, Right : Time) return Boolean;
function "+" (Left, Right : Time_Span) return Time_Span;
function "-" (Left, Right : Time_Span) return Time_Span;
function "-" (Right : Time_Span) return Time_Span;
function "*" (Left : Time_Span; Right : Integer) return Time_Span;
function "*" (Left : Integer; Right : Time_Span) return Time_Span;
function "/" (Left, Right : Time_Span) return Integer;
function "/" (Left : Time_Span; Right : Integer) return Time_Span;
function "abs" (Right : Time_Span) return Time_Span;
function "<" (Left, Right : Time_Span) return Boolean;
function "<=" (Left, Right : Time_Span) return Boolean;
function ">" (Left, Right : Time_Span) return Boolean;
function ">=" (Left, Right : Time_Span) return Boolean;
function To_Duration (TS : Time_Span) return Duration;
function To_Time_Span (D : Duration) return Time_Span;
function Nanoseconds (NS : integer) return Time_Span;
function Microseconds (US : integer) return Time_Span;
function Milliseconds (MS : integer) return Time_Span;
type Seconds_Count is new integer range -integer'Last .. integer'Last;
procedure Split (T : Time; SC : out Seconds_Count; TS : out Time_Span);
function Time_Of (SC : Seconds_Count; TS : Time_Span) return Time;
private
type Time is new System.Task_Clock.Stimespec;
Time_First : constant Time := Time (System.Task_Clock.Stimespec_First);
Time_Last : constant Time := Time (System.Task_Clock.Stimespec_Last);
type Time_Span is new System.Task_Clock.Stimespec;
Time_Span_First : constant Time_Span :=
Time_Span (System.Task_Clock.Stimespec_First);
Time_Span_Last : constant Time_Span :=
Time_Span (System.Task_Clock.Stimespec_Last);
Time_Span_Zero : constant Time_Span :=
Time_Span (System.Task_Clock.Stimespec_Zero);
Time_Span_Unit : constant Time_Span :=
Time_Span (System.Task_Clock.Stimespec_Unit);
Tick : constant Time_Span :=
Time_Span (System.Task_Clock.Machine_Specifics.Stimespec_Ticks);
end Ada.Real_Time;