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vtimes.h
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/* Copyright (C) 1991-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #ifndef _SYS_VTIMES_H #define _SYS_VTIMES_H 1 #include <features.h> __BEGIN_DECLS /* This interface is obsolete; use `getrusage' instead. */ /* Granularity of the `vm_utime' and `vm_stime' fields of a `struct vtimes'. (This is the frequency of the machine's power supply, in Hz.) */ #define VTIMES_UNITS_PER_SECOND 60 struct vtimes { /* User time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ int vm_utime; /* System time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ int vm_stime; /* Amount of data and stack memory used (kilobyte-seconds). */ unsigned int vm_idsrss; /* Amount of text memory used (kilobyte-seconds). */ unsigned int vm_ixrss; /* Maximum resident set size (text, data, and stack) (kilobytes). */ int vm_maxrss; /* Number of hard page faults (i.e. those that required I/O). */ int vm_majflt; /* Number of soft page faults (i.e. those serviced by reclaiming a page from the list of pages awaiting reallocation. */ int vm_minflt; /* Number of times a process was swapped out of physical memory. */ int vm_nswap; /* Number of input operations via the file system. Note: This and `ru_oublock' do not include operations with the cache. */ int vm_inblk; /* Number of output operations via the file system. */ int vm_oublk; }; /* If CURRENT is not NULL, write statistics for the current process into *CURRENT. If CHILD is not NULL, write statistics for all terminated child processes into *CHILD. Returns 0 for success, -1 for failure. */ extern int vtimes (struct vtimes * __current, struct vtimes * __child) __THROW; __END_DECLS #endif /* sys/vtimes.h */