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69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
8 years ago
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/* Copyright (C) 1991-2016 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _SYS_VTIMES_H
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#define _SYS_VTIMES_H 1
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#include <features.h>
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__BEGIN_DECLS
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/* This interface is obsolete; use `getrusage' instead. */
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/* Granularity of the `vm_utime' and `vm_stime' fields of a `struct vtimes'.
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(This is the frequency of the machine's power supply, in Hz.) */
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#define VTIMES_UNITS_PER_SECOND 60
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struct vtimes
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{
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/* User time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */
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int vm_utime;
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/* System time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */
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int vm_stime;
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/* Amount of data and stack memory used (kilobyte-seconds). */
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unsigned int vm_idsrss;
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/* Amount of text memory used (kilobyte-seconds). */
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unsigned int vm_ixrss;
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/* Maximum resident set size (text, data, and stack) (kilobytes). */
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int vm_maxrss;
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/* Number of hard page faults (i.e. those that required I/O). */
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int vm_majflt;
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/* Number of soft page faults (i.e. those serviced by reclaiming
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a page from the list of pages awaiting reallocation. */
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int vm_minflt;
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/* Number of times a process was swapped out of physical memory. */
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int vm_nswap;
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/* Number of input operations via the file system. Note: This
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and `ru_oublock' do not include operations with the cache. */
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int vm_inblk;
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/* Number of output operations via the file system. */
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int vm_oublk;
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};
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/* If CURRENT is not NULL, write statistics for the current process into
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*CURRENT. If CHILD is not NULL, write statistics for all terminated child
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processes into *CHILD. Returns 0 for success, -1 for failure. */
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extern int vtimes (struct vtimes * __current, struct vtimes * __child) __THROW;
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__END_DECLS
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#endif /* sys/vtimes.h */
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