projects / thirdparty / gcc.git / blame
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|---|---|---|
| a2264f2d PO |
1 | ------------------------------------------------------------------------------ |
| 2 | -- -- | |
| 3 | -- GNAT RUN-TIME COMPONENTS -- | |
| 4 | -- -- | |
| 5 | -- A D A . E X E C U T I O N _ T I M E -- | |
| 6 | -- -- | |
| 7 | -- S p e c -- | |
| 8 | -- -- | |
| 4b490c1e | 9 | -- Copyright (C) 2009-2020, Free Software Foundation, Inc. -- |
| 748086b7 | 10 | -- -- |
| a2264f2d PO |
11 | -- This specification is derived from the Ada Reference Manual for use with -- |
| 12 | -- GNAT. The copyright notice above, and the license provisions that follow -- | |
| 13 | -- apply solely to the contents of the part following the private keyword. -- | |
| 14 | -- -- | |
| 15 | -- GNAT is free software; you can redistribute it and/or modify it under -- | |
| 16 | -- terms of the GNU General Public License as published by the Free Soft- -- | |
| 748086b7 | 17 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| a2264f2d PO |
18 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| 19 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- | |
| 748086b7 JJ |
20 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 21 | -- -- | |
| 22 | -- As a special exception under Section 7 of GPL version 3, you are granted -- | |
| 23 | -- additional permissions described in the GCC Runtime Library Exception, -- | |
| 24 | -- version 3.1, as published by the Free Software Foundation. -- | |
| 25 | -- -- | |
| 26 | -- You should have received a copy of the GNU General Public License and -- | |
| 27 | -- a copy of the GCC Runtime Library Exception along with this program; -- | |
| 28 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- | |
| 29 | -- <http://www.gnu.org/licenses/>. -- | |
| a2264f2d PO |
30 | -- -- |
| 31 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
| 32 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- | |
| 00c93ba2 | 33 | -- -- |
| a2264f2d PO |
34 | ------------------------------------------------------------------------------ |
| 35 | ||
| 36 | -- This is the Windows native version of this package | |
| 37 | ||
| 38 | with Ada.Task_Identification; | |
| 39 | with Ada.Real_Time; | |
| 40 | ||
| 635ffc52 AC |
41 | package Ada.Execution_Time with |
| 42 | SPARK_Mode | |
| 43 | is | |
| a2264f2d PO |
44 | type CPU_Time is private; |
| 45 | ||
| 46 | CPU_Time_First : constant CPU_Time; | |
| 47 | CPU_Time_Last : constant CPU_Time; | |
| 48 | CPU_Time_Unit : constant := 0.000001; | |
| 49 | CPU_Tick : constant Ada.Real_Time.Time_Span; | |
| 50 | ||
| 8e2d104b AC |
51 | use type Ada.Task_Identification.Task_Id; |
| 52 | ||
| a2264f2d PO |
53 | function Clock |
| 54 | (T : Ada.Task_Identification.Task_Id := | |
| 00c93ba2 | 55 | Ada.Task_Identification.Current_Task) |
| 635ffc52 AC |
56 | return CPU_Time |
| 57 | with | |
| 58 | Volatile_Function, | |
| 8e2d104b AC |
59 | Global => Ada.Real_Time.Clock_Time, |
| 60 | Pre => T /= Ada.Task_Identification.Null_Task_Id; | |
| a2264f2d PO |
61 | |
| 62 | function "+" | |
| 63 | (Left : CPU_Time; | |
| 265ca04a AC |
64 | Right : Ada.Real_Time.Time_Span) return CPU_Time |
| 65 | with | |
| 66 | Global => null; | |
| a2264f2d PO |
67 | |
| 68 | function "+" | |
| 69 | (Left : Ada.Real_Time.Time_Span; | |
| 265ca04a AC |
70 | Right : CPU_Time) return CPU_Time |
| 71 | with | |
| 72 | Global => null; | |
| a2264f2d PO |
73 | |
| 74 | function "-" | |
| 75 | (Left : CPU_Time; | |
| 265ca04a AC |
76 | Right : Ada.Real_Time.Time_Span) return CPU_Time |
| 77 | with | |
| 78 | Global => null; | |
| a2264f2d PO |
79 | |
| 80 | function "-" | |
| 81 | (Left : CPU_Time; | |
| ed323421 AC |
82 | Right : CPU_Time) return Ada.Real_Time.Time_Span |
| 83 | with | |
| 84 | Global => null; | |
| a2264f2d | 85 | |
| 265ca04a AC |
86 | function "<" (Left, Right : CPU_Time) return Boolean with |
| 87 | Global => null; | |
| 88 | function "<=" (Left, Right : CPU_Time) return Boolean with | |
| 89 | Global => null; | |
| 90 | function ">" (Left, Right : CPU_Time) return Boolean with | |
| 91 | Global => null; | |
| 92 | function ">=" (Left, Right : CPU_Time) return Boolean with | |
| 93 | Global => null; | |
| a2264f2d PO |
94 | |
| 95 | procedure Split | |
| 96 | (T : CPU_Time; | |
| 97 | SC : out Ada.Real_Time.Seconds_Count; | |
| 265ca04a AC |
98 | TS : out Ada.Real_Time.Time_Span) |
| 99 | with | |
| 100 | Global => null; | |
| a2264f2d PO |
101 | |
| 102 | function Time_Of | |
| 00c93ba2 AC |
103 | (SC : Ada.Real_Time.Seconds_Count; |
| 104 | TS : Ada.Real_Time.Time_Span := Ada.Real_Time.Time_Span_Zero) | |
| 265ca04a AC |
105 | return CPU_Time |
| 106 | with | |
| 107 | Global => null; | |
| a2264f2d | 108 | |
| 2ef48385 AC |
109 | Interrupt_Clocks_Supported : constant Boolean := False; |
| 110 | Separate_Interrupt_Clocks_Supported : constant Boolean := False; | |
| 111 | ||
| 8e2d104b | 112 | pragma Warnings (Off, "check will fail at run time"); |
| 635ffc52 AC |
113 | function Clock_For_Interrupts return CPU_Time with |
| 114 | Volatile_Function, | |
| 8e2d104b AC |
115 | Global => Ada.Real_Time.Clock_Time, |
| 116 | Pre => Interrupt_Clocks_Supported; | |
| 117 | pragma Warnings (On, "check will fail at run time"); | |
| 2ef48385 | 118 | |
| a2264f2d | 119 | private |
| 635ffc52 | 120 | pragma SPARK_Mode (Off); |
| a2264f2d PO |
121 | |
| 122 | type CPU_Time is new Ada.Real_Time.Time; | |
| 123 | ||
| 124 | CPU_Time_First : constant CPU_Time := CPU_Time (Ada.Real_Time.Time_First); | |
| 125 | CPU_Time_Last : constant CPU_Time := CPU_Time (Ada.Real_Time.Time_Last); | |
| 126 | ||
| 127 | CPU_Tick : constant Ada.Real_Time.Time_Span := Ada.Real_Time.Tick; | |
| 128 | ||
| 129 | pragma Import (Intrinsic, "<"); | |
| 130 | pragma Import (Intrinsic, "<="); | |
| 131 | pragma Import (Intrinsic, ">"); | |
| 132 | pragma Import (Intrinsic, ">="); | |
| 133 | ||
| 134 | end Ada.Execution_Time; |