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annotate lib/resource-ext.h @ 14227:8bb45aca6841

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get-rusage-as: Allow for easier testing. * lib/resource-ext.h (get_rusage_as): Add comment. * lib/get-rusage-as.c (get_rusage_as_via_setrlimit): Define always. (main): New function for interactive testing.
author Bruno Haible <bruno@clisp.org>
date Wed, 26 Jan 2011 02:11:18 +0100
parents ae1f97981b87
children 381ce0fff2fb
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1 /* Extra functions for resource usage.
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2 Copyright (C) 2011 Free Software Foundation, Inc.
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3 Written by Bruno Haible <bruno@clisp.org>, 2011.
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4
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5 This program is free software: you can redistribute it and/or modify
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6 it under the terms of the GNU General Public License as published by
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7 the Free Software Foundation; either version 3 of the License, or
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8 (at your option) any later version.
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9
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10 This program is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 GNU General Public License for more details.
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14
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15 You should have received a copy of the GNU General Public License
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16 along with this program. If not, see <http://www.gnu.org/licenses/>. */
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17
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18 #ifndef _RESOURCE_EXT_H
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19 #define _RESOURCE_EXT_H
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20
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21 #include <stdint.h>
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22
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23 #ifdef __cplusplus
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24 extern "C" {
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25 #endif
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26
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27
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28 /* Returns the amount of address space currently in use by the current
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29 process, or zero if unknown.
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30 This is the quantity which is limited by setrlimit(RLIMIT_AS,...).
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31 Note: This function always returns zero on OpenBSD and AIX. */
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32 extern uintptr_t get_rusage_as (void);
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33
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34
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35 #ifdef __cplusplus
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36 }
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37 #endif
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38
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39 #endif /* _RESOURCE_EXT_H */