/usr/share/ada/adainclude/florist/posix-timers.ads is in libflorist2014-dev 2014-1.
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-- --
-- FLORIST (FSU Implementation of POSIX.5) COMPONENTS --
-- --
-- P O S I X . T I M E R S --
-- --
-- S p e c --
-- --
-- --
-- This file is a component of FLORIST, an implementation of the POSIX --
-- Ada bindings for use with the GNAT Ada compiler and the FSU Gnu Ada --
-- Runtime Library (GNARL). --
-- --
-- This package specification contains some text extracted from IEEE STD --
-- 1003.5: 1990, Information Technology -- POSIX Ada Language Interfaces --
-- Part 1: Binding for System Application Program Interface, as amended --
-- by IEEE STD 1003.5b: 1996, Amendment 1: Realtime Extensions, copyright --
-- 1996 by the Institute of Electrical and Electronics Engineers, Inc. --
-- --
-- The package specifications in the IEEE standards cited above represent --
-- only a portion of the documents and are not to be interpreteted --
-- outside the context of the documents. The standards must be used in --
-- conjunction with the package specifications in order to claim --
-- conformance. The IEEE takes no responsibility for and will assume no --
-- liability for damages resulting from the reader's misinterpretation of --
-- said information resulting from its out-of-context nature. To order --
-- copies of the IEEE standards, please contact the IEEE Service Center --
-- at 445 Hoes Lane, PO Box 1331, Piscataway, NJ 08855-1331; via phone at --
-- 1-800-678-IEEE, 908-981-1393; or via fax at 908-981-9667. --
-- --
-- These package specifications are distributed in the hope that they --
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied --
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
------------------------------------------------------------------------------
-- [$Revision: 1.1]
with POSIX.C,
POSIX.Signals;
package POSIX.Timers is
type Clock_ID is private;
type Timer_ID is private;
Clock_Realtime : constant Clock_ID;
type Timer_State is private;
type Timer_Options is new POSIX.Option_Set;
Absolute_Timer : constant Timer_Options;
procedure Set_Initial
(State : in out Timer_State;
Initial : POSIX.Timespec);
function Get_Initial (State : Timer_State) return POSIX.Timespec;
procedure Set_Interval
(State : in out Timer_State;
Interval : POSIX.Timespec);
function Get_Interval (State : Timer_State) return POSIX.Timespec;
procedure Set_Time
(Clock : Clock_ID;
Value : POSIX.Timespec);
procedure Set_Time (Value : POSIX.Timespec);
function Get_Time
(Clock : Clock_ID := Clock_Realtime)
return POSIX.Timespec;
function Get_Resolution
(Clock : Clock_ID := Clock_Realtime)
return POSIX.Timespec;
function Create_Timer
(Clock : Clock_ID;
Event : POSIX.Signals.Signal_Event) return Timer_ID;
procedure Delete_Timer (Timer : in out Timer_ID);
procedure Arm_Timer
(Timer : Timer_ID;
Options : Timer_Options;
New_State : Timer_State;
Old_State : out Timer_State);
procedure Arm_Timer
(Timer : Timer_ID;
Options : Timer_Options;
New_State : Timer_State);
function Get_Timer_State (Timer : Timer_ID) return Timer_State;
procedure Disarm_Timer (Timer : Timer_ID);
function Get_Timer_Overruns (Timer : Timer_ID) return Natural;
private
type Clock_ID is new POSIX.C.clockid_t;
Clock_Realtime : constant Clock_ID := POSIX.C.CLOCK_REALTIME;
type Timer_ID is new POSIX.C.timer_t;
-- We add a tag to force by-reference parameter passing.
-- This allows us to pass through to the C interface pointers
-- directly to the argument, thereby saving copying.
type Timer_State is tagged record
State : aliased POSIX.C.struct_itimerspec;
end record;
Absolute_Timer : constant Timer_Options :=
Timer_Options (Option_Set'(Option => POSIX.C.TIMER_ABSTIME));
end POSIX.Timers;
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