vtimes.h
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- /* Copyright (C) 1991, 1992, 1996, 1999 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, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
- #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- /* This interface is obsolete; use `getrusage' instead.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 */