1*53ee8cc1Swenshuai.xi /* Copyright (C) 1991, 1992, 1996, 1999 Free Software Foundation, Inc. 2*53ee8cc1Swenshuai.xi This file is part of the GNU C Library. 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi The GNU C Library is free software; you can redistribute it and/or 5*53ee8cc1Swenshuai.xi modify it under the terms of the GNU Lesser General Public 6*53ee8cc1Swenshuai.xi License as published by the Free Software Foundation; either 7*53ee8cc1Swenshuai.xi version 2.1 of the License, or (at your option) any later version. 8*53ee8cc1Swenshuai.xi 9*53ee8cc1Swenshuai.xi The GNU C Library is distributed in the hope that it will be useful, 10*53ee8cc1Swenshuai.xi but WITHOUT ANY WARRANTY; without even the implied warranty of 11*53ee8cc1Swenshuai.xi MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*53ee8cc1Swenshuai.xi Lesser General Public License for more details. 13*53ee8cc1Swenshuai.xi 14*53ee8cc1Swenshuai.xi You should have received a copy of the GNU Lesser General Public 15*53ee8cc1Swenshuai.xi License along with the GNU C Library; if not, write to the Free 16*53ee8cc1Swenshuai.xi Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17*53ee8cc1Swenshuai.xi 02111-1307 USA. */ 18*53ee8cc1Swenshuai.xi 19*53ee8cc1Swenshuai.xi #ifndef _SYS_VTIMES_H 20*53ee8cc1Swenshuai.xi #define _SYS_VTIMES_H 1 21*53ee8cc1Swenshuai.xi 22*53ee8cc1Swenshuai.xi #include <features.h> 23*53ee8cc1Swenshuai.xi 24*53ee8cc1Swenshuai.xi __BEGIN_DECLS 25*53ee8cc1Swenshuai.xi 26*53ee8cc1Swenshuai.xi /* This interface is obsolete; use `getrusage' instead. */ 27*53ee8cc1Swenshuai.xi 28*53ee8cc1Swenshuai.xi /* Granularity of the `vm_utime' and `vm_stime' fields of a `struct vtimes'. 29*53ee8cc1Swenshuai.xi (This is the frequency of the machine's power supply, in Hz.) */ 30*53ee8cc1Swenshuai.xi #define VTIMES_UNITS_PER_SECOND 60 31*53ee8cc1Swenshuai.xi 32*53ee8cc1Swenshuai.xi struct vtimes 33*53ee8cc1Swenshuai.xi { 34*53ee8cc1Swenshuai.xi /* User time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ 35*53ee8cc1Swenshuai.xi int vm_utime; 36*53ee8cc1Swenshuai.xi /* System time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ 37*53ee8cc1Swenshuai.xi int vm_stime; 38*53ee8cc1Swenshuai.xi 39*53ee8cc1Swenshuai.xi /* Amount of data and stack memory used (kilobyte-seconds). */ 40*53ee8cc1Swenshuai.xi unsigned int vm_idsrss; 41*53ee8cc1Swenshuai.xi /* Amount of text memory used (kilobyte-seconds). */ 42*53ee8cc1Swenshuai.xi unsigned int vm_ixrss; 43*53ee8cc1Swenshuai.xi /* Maximum resident set size (text, data, and stack) (kilobytes). */ 44*53ee8cc1Swenshuai.xi int vm_maxrss; 45*53ee8cc1Swenshuai.xi 46*53ee8cc1Swenshuai.xi /* Number of hard page faults (i.e. those that required I/O). */ 47*53ee8cc1Swenshuai.xi int vm_majflt; 48*53ee8cc1Swenshuai.xi /* Number of soft page faults (i.e. those serviced by reclaiming 49*53ee8cc1Swenshuai.xi a page from the list of pages awaiting reallocation. */ 50*53ee8cc1Swenshuai.xi int vm_minflt; 51*53ee8cc1Swenshuai.xi 52*53ee8cc1Swenshuai.xi /* Number of times a process was swapped out of physical memory. */ 53*53ee8cc1Swenshuai.xi int vm_nswap; 54*53ee8cc1Swenshuai.xi 55*53ee8cc1Swenshuai.xi /* Number of input operations via the file system. Note: This 56*53ee8cc1Swenshuai.xi and `ru_oublock' do not include operations with the cache. */ 57*53ee8cc1Swenshuai.xi int vm_inblk; 58*53ee8cc1Swenshuai.xi /* Number of output operations via the file system. */ 59*53ee8cc1Swenshuai.xi int vm_oublk; 60*53ee8cc1Swenshuai.xi }; 61*53ee8cc1Swenshuai.xi 62*53ee8cc1Swenshuai.xi /* If CURRENT is not NULL, write statistics for the current process into 63*53ee8cc1Swenshuai.xi *CURRENT. If CHILD is not NULL, write statistics for all terminated child 64*53ee8cc1Swenshuai.xi processes into *CHILD. Returns 0 for success, -1 for failure. */ 65*53ee8cc1Swenshuai.xi extern int vtimes (struct vtimes * __current, struct vtimes * __child) __THROW; 66*53ee8cc1Swenshuai.xi 67*53ee8cc1Swenshuai.xi __END_DECLS 68*53ee8cc1Swenshuai.xi 69*53ee8cc1Swenshuai.xi #endif /* sys/vtimes.h */ 70