| /* Define struct rusage. |
| Copyright (C) 1994-2021 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 |
| <https://www.gnu.org/licenses/>. */ |
| |
| #ifndef __rusage_defined |
| #define __rusage_defined 1 |
| |
| #include <bits/types.h> |
| #include <bits/types/struct_timeval.h> |
| |
| /* Structure which says how much of each resource has been used. If |
| the system does not keep track of a particular value, the struct |
| field is always zero. */ |
| |
| /* The purpose of all the unions is to have the kernel-compatible layout |
| while keeping the API type as 'long int', and among machines where |
| __syscall_slong_t is not 'long int', this only does the right thing |
| for little-endian ones, like x32. */ |
| struct rusage |
| { |
| /* Total amount of user time used. */ |
| struct timeval ru_utime; |
| /* Total amount of system time used. */ |
| struct timeval ru_stime; |
| /* Maximum resident set size (in kilobytes). */ |
| __extension__ union |
| { |
| long int ru_maxrss; |
| __syscall_slong_t __ru_maxrss_word; |
| }; |
| /* Amount of sharing of text segment memory |
| with other processes (kilobyte-seconds). */ |
| __extension__ union |
| { |
| long int ru_ixrss; |
| __syscall_slong_t __ru_ixrss_word; |
| }; |
| /* Amount of data segment memory used (kilobyte-seconds). */ |
| __extension__ union |
| { |
| long int ru_idrss; |
| __syscall_slong_t __ru_idrss_word; |
| }; |
| /* Amount of stack memory used (kilobyte-seconds). */ |
| __extension__ union |
| { |
| long int ru_isrss; |
| __syscall_slong_t __ru_isrss_word; |
| }; |
| /* Number of soft page faults (i.e. those serviced by reclaiming |
| a page from the list of pages awaiting reallocation. */ |
| __extension__ union |
| { |
| long int ru_minflt; |
| __syscall_slong_t __ru_minflt_word; |
| }; |
| /* Number of hard page faults (i.e. those that required I/O). */ |
| __extension__ union |
| { |
| long int ru_majflt; |
| __syscall_slong_t __ru_majflt_word; |
| }; |
| /* Number of times a process was swapped out of physical memory. */ |
| __extension__ union |
| { |
| long int ru_nswap; |
| __syscall_slong_t __ru_nswap_word; |
| }; |
| /* Number of input operations via the file system. Note: This |
| and `ru_oublock' do not include operations with the cache. */ |
| __extension__ union |
| { |
| long int ru_inblock; |
| __syscall_slong_t __ru_inblock_word; |
| }; |
| /* Number of output operations via the file system. */ |
| __extension__ union |
| { |
| long int ru_oublock; |
| __syscall_slong_t __ru_oublock_word; |
| }; |
| /* Number of IPC messages sent. */ |
| __extension__ union |
| { |
| long int ru_msgsnd; |
| __syscall_slong_t __ru_msgsnd_word; |
| }; |
| /* Number of IPC messages received. */ |
| __extension__ union |
| { |
| long int ru_msgrcv; |
| __syscall_slong_t __ru_msgrcv_word; |
| }; |
| /* Number of signals delivered. */ |
| __extension__ union |
| { |
| long int ru_nsignals; |
| __syscall_slong_t __ru_nsignals_word; |
| }; |
| /* Number of voluntary context switches, i.e. because the process |
| gave up the process before it had to (usually to wait for some |
| resource to be available). */ |
| __extension__ union |
| { |
| long int ru_nvcsw; |
| __syscall_slong_t __ru_nvcsw_word; |
| }; |
| /* Number of involuntary context switches, i.e. a higher priority process |
| became runnable or the current process used up its time slice. */ |
| __extension__ union |
| { |
| long int ru_nivcsw; |
| __syscall_slong_t __ru_nivcsw_word; |
| }; |
| }; |
| |
| #endif |