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1 | ------------------------------------------------------------------------------ |
| 2 | -- -- |
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3 | -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS -- |
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4 | -- -- |
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5 | -- S Y S T E M . S T A C K _ U S A G E . T A S K I N G -- |
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6 | -- -- |
| 7 | -- S p e c -- |
| 8 | -- -- |
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9 | -- Copyright (C) 2009-2011, Free Software Foundation, Inc. -- |
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10 | -- -- |
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11 | -- GNAT is free software; you can redistribute it and/or modify it under -- |
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12 | -- terms of the GNU General Public License as published by the Free Soft- -- |
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13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| 14 | -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
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15 | -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
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16 | -- or FITNESS FOR A PARTICULAR PURPOSE. -- |
| 17 | -- -- |
| 18 | -- As a special exception under Section 7 of GPL version 3, you are granted -- |
| 19 | -- additional permissions described in the GCC Runtime Library Exception, -- |
| 20 | -- version 3.1, as published by the Free Software Foundation. -- |
| 21 | -- -- |
| 22 | -- You should have received a copy of the GNU General Public License and -- |
| 23 | -- a copy of the GCC Runtime Library Exception along with this program; -- |
| 24 | -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- |
| 25 | -- <http://www.gnu.org/licenses/>. -- |
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26 | -- -- |
| 27 | -- GNARL was developed by the GNARL team at Florida State University. -- |
| 28 | -- Extensive contributions were provided by Ada Core Technologies, Inc. -- |
| 29 | -- -- |
| 30 | ------------------------------------------------------------------------------ |
| 31 | |
| 32 | -- This package provides exported subprograms to be called at debug time to |
| 33 | -- measure stack usage at run-time. |
| 34 | |
| 35 | -- Note: this package must be a child package of System.Stack_Usage to have |
| 36 | -- visibility over its private part; it is however part of GNARL because it |
| 37 | -- needs to access tasking features via System.Tasking.Debug and |
| 38 | -- System.Task_Primitives.Operations; |
| 39 | |
| 40 | package System.Stack_Usage.Tasking is |
| 41 | |
| 42 | procedure Report_All_Tasks; |
| 43 | -- Print the current stack usage of all tasks on stderr. Exported to be |
| 44 | -- called also in debug mode. |
| 45 | |
| 46 | pragma Export |
| 47 | (C, |
| 48 | Report_All_Tasks, |
| 49 | "__gnat_tasks_stack_usage_report_all_tasks"); |
| 50 | |
| 51 | procedure Report_Current_Task; |
| 52 | -- Print the stack usage of current task on stderr. Exported to be called |
| 53 | -- also in debug mode. |
| 54 | |
| 55 | pragma Export |
| 56 | (C, |
| 57 | Report_Current_Task, |
| 58 | "__gnat_tasks_stack_usage_report_current_task"); |
| 59 | |
| 60 | subtype Stack_Usage_Result is System.Stack_Usage.Task_Result; |
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61 | -- This type is a descriptor for task stack usage result |
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62 | |
| 63 | type Stack_Usage_Result_Array is |
| 64 | array (Positive range <>) of Stack_Usage_Result; |
| 65 | |
| 66 | function Get_Current_Task_Usage return Stack_Usage_Result; |
| 67 | -- Return the current stack usage for the invoking task |
| 68 | |
| 69 | function Get_All_Tasks_Usage return Stack_Usage_Result_Array; |
| 70 | -- Return an array containing the stack usage results for all tasks |
| 71 | |
| 72 | procedure Print (Obj : Stack_Usage_Result); |
| 73 | -- Print Obj on stderr |
| 74 | |
| 75 | end System.Stack_Usage.Tasking; |
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