1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- A D A . E X E C U T I O N _ T I M E --
-- --
-- S p e c --
-- --
-- Copyright (C) 2009-2024, Free Software Foundation, Inc. --
-- --
-- This specification is derived from the Ada Reference Manual for use with --
-- GNAT. The copyright notice above, and the license provisions that follow --
-- apply solely to the contents of the part following the private keyword. --
-- --
-- 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- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This is the Windows native version of this package
with Ada.Task_Identification;
with Ada.Real_Time;
package Ada.Execution_Time with
SPARK_Mode
is
type CPU_Time is private;
CPU_Time_First : constant CPU_Time;
CPU_Time_Last : constant CPU_Time;
CPU_Time_Unit : constant := 0.000001;
CPU_Tick : constant Ada.Real_Time.Time_Span;
use type Ada.Task_Identification.Task_Id;
function Clock
(T : Ada.Task_Identification.Task_Id :=
Ada.Task_Identification.Current_Task)
return CPU_Time
with
Volatile_Function,
Global => Ada.Real_Time.Clock_Time,
Pre => T /= Ada.Task_Identification.Null_Task_Id;
function "+"
(Left : CPU_Time;
Right : Ada.Real_Time.Time_Span) return CPU_Time
with
Global => null;
function "+"
(Left : Ada.Real_Time.Time_Span;
Right : CPU_Time) return CPU_Time
with
Global => null;
function "-"
(Left : CPU_Time;
Right : Ada.Real_Time.Time_Span) return CPU_Time
with
Global => null;
function "-"
(Left : CPU_Time;
Right : CPU_Time) return Ada.Real_Time.Time_Span
with
Global => null;
function "<" (Left, Right : CPU_Time) return Boolean with
Global => null;
function "<=" (Left, Right : CPU_Time) return Boolean with
Global => null;
function ">" (Left, Right : CPU_Time) return Boolean with
Global => null;
function ">=" (Left, Right : CPU_Time) return Boolean with
Global => null;
procedure Split
(T : CPU_Time;
SC : out Ada.Real_Time.Seconds_Count;
TS : out Ada.Real_Time.Time_Span)
with
Global => null;
function Time_Of
(SC : Ada.Real_Time.Seconds_Count;
TS : Ada.Real_Time.Time_Span := Ada.Real_Time.Time_Span_Zero)
return CPU_Time
with
Global => null;
Interrupt_Clocks_Supported : constant Boolean := False;
Separate_Interrupt_Clocks_Supported : constant Boolean := False;
pragma Warnings (Off, "check will fail at run time");
function Clock_For_Interrupts return CPU_Time with
Volatile_Function,
Global => Ada.Real_Time.Clock_Time,
Pre => Interrupt_Clocks_Supported;
pragma Warnings (On, "check will fail at run time");
private
pragma SPARK_Mode (Off);
type CPU_Time is new Ada.Real_Time.Time;
CPU_Time_First : constant CPU_Time := CPU_Time (Ada.Real_Time.Time_First);
CPU_Time_Last : constant CPU_Time := CPU_Time (Ada.Real_Time.Time_Last);
CPU_Tick : constant Ada.Real_Time.Time_Span := Ada.Real_Time.Tick;
pragma Import (Intrinsic, "<");
pragma Import (Intrinsic, "<=");
pragma Import (Intrinsic, ">");
pragma Import (Intrinsic, ">=");
end Ada.Execution_Time;
|