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v4.0.4
library/include/pids.h
287 строк
14 KB
Jim Warner
misc: tweak the recent copyright changes just a little
13 фев 2023, 23:11
13 фев 2023, 23:11
95cd051
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/* * pids.h - process related declarations for libproc2 * * Copyright © 2015-2023 Jim Warner <james.warner@comcast.net> * Copyright © 2015-2023 Craig Small <csmall@dropbear.xyz> * * This 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. * * This 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 this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef PROCPS_PIDS_H #define PROCPS_PIDS_H #ifdef __cplusplus extern "C" { #endif enum pids_item { PIDS_noop, // ( never altered ) PIDS_extra, // ( reset to zero ) // returns origin, see proc(5) // ------- ------------------- PIDS_ADDR_CODE_END, // ul_int stat: end_code PIDS_ADDR_CODE_START, // ul_int stat: start_code PIDS_ADDR_CURR_EIP, // ul_int stat: eip PIDS_ADDR_CURR_ESP, // ul_int stat: esp PIDS_ADDR_STACK_START, // ul_int stat: start_stack PIDS_AUTOGRP_ID, // s_int autogroup PIDS_AUTOGRP_NICE, // s_int autogroup PIDS_CGNAME, // str derived from CGROUP ':name=' PIDS_CGROUP, // str cgroup PIDS_CGROUP_V, // strv cgroup, as *str[] PIDS_CMD, // str stat: comm or status: Name PIDS_CMDLINE, // str cmdline PIDS_CMDLINE_V, // strv cmdline, as *str[] PIDS_ENVIRON, // str environ PIDS_ENVIRON_V, // strv environ, as *str[] PIDS_EXE, // str exe PIDS_EXIT_SIGNAL, // s_int stat: exit_signal PIDS_FLAGS, // ul_int stat: flags PIDS_FLT_MAJ, // ul_int stat: maj_flt PIDS_FLT_MAJ_C, // ul_int derived from stat: maj_flt + cmaj_flt PIDS_FLT_MAJ_DELTA, // s_int derived from FLT_MAJ PIDS_FLT_MIN, // ul_int stat: min_flt PIDS_FLT_MIN_C, // ul_int derived from stat: min_flt + cmin_flt PIDS_FLT_MIN_DELTA, // s_int derived from FLT_MIN PIDS_ID_EGID, // u_int status: Gid PIDS_ID_EGROUP, // str derived from EGID, see getgrgid(3) PIDS_ID_EUID, // u_int status: Uid PIDS_ID_EUSER, // str derived from EUID, see getpwuid(3) PIDS_ID_FGID, // u_int status: Gid PIDS_ID_FGROUP, // str derived from FGID, see getgrgid(3) PIDS_ID_FUID, // u_int status: Uid PIDS_ID_FUSER, // str derived from FUID, see getpwuid(3) PIDS_ID_LOGIN, // s_int loginuid PIDS_ID_PGRP, // s_int stat: pgrp PIDS_ID_PID, // s_int from /proc/<pid> PIDS_ID_PPID, // s_int stat: ppid or status: PPid PIDS_ID_RGID, // u_int status: Gid PIDS_ID_RGROUP, // str derived from RGID, see getgrgid(3) PIDS_ID_RUID, // u_int status: Uid PIDS_ID_RUSER, // str derived from RUID, see getpwuid(3) PIDS_ID_SESSION, // s_int stat: sid PIDS_ID_SGID, // u_int status: Gid PIDS_ID_SGROUP, // str derived from SGID, see getgrgid(3) PIDS_ID_SUID, // u_int status: Uid PIDS_ID_SUSER, // str derived from SUID, see getpwuid(3) PIDS_ID_TGID, // s_int status: Tgid PIDS_ID_TID, // s_int from /proc/<pid>/task/<tid> PIDS_ID_TPGID, // s_int stat: tty_pgrp PIDS_IO_READ_BYTES, // ul_int io: read_bytes PIDS_IO_READ_CHARS, // ul_int io: rchar PIDS_IO_READ_OPS, // ul_int io: syscr PIDS_IO_WRITE_BYTES, // ul_int io: write_bytes PIDS_IO_WRITE_CBYTES, // ul_int io: cancelled_write_bytes PIDS_IO_WRITE_CHARS, // ul_int io: wchar PIDS_IO_WRITE_OPS, // ul_int io: syscw PIDS_LXCNAME, // str derived from CGROUP 'lxc.payload' PIDS_MEM_CODE, // ul_int derived from MEM_CODE_PGS, as KiB PIDS_MEM_CODE_PGS, // ul_int statm: trs PIDS_MEM_DATA, // ul_int derived from MEM_DATA_PGS, as KiB PIDS_MEM_DATA_PGS, // ul_int statm: drs PIDS_MEM_RES, // ul_int derived from MEM_RES_PGS, as KiB PIDS_MEM_RES_PGS, // ul_int statm: resident PIDS_MEM_SHR, // ul_int derived from MEM_SHR_PGS, as KiB PIDS_MEM_SHR_PGS, // ul_int statm: shared PIDS_MEM_VIRT, // ul_int derived from MEM_VIRT_PGS, as KiB PIDS_MEM_VIRT_PGS, // ul_int statm: size PIDS_NICE, // s_int stat: nice PIDS_NLWP, // s_int stat: num_threads or status: Threads PIDS_NS_CGROUP, // ul_int ns/ PIDS_NS_IPC, // ul_int " PIDS_NS_MNT, // ul_int " PIDS_NS_NET, // ul_int " PIDS_NS_PID, // ul_int " PIDS_NS_TIME, // ul_int " PIDS_NS_USER, // ul_int " PIDS_NS_UTS, // ul_int " PIDS_OOM_ADJ, // s_int oom_score_adj PIDS_OOM_SCORE, // s_int oom_score PIDS_PRIORITY, // s_int stat: priority PIDS_PRIORITY_RT, // s_int stat: rt_priority PIDS_PROCESSOR, // s_int stat: task_cpu PIDS_PROCESSOR_NODE, // s_int derived from PROCESSOR, see numa(3) PIDS_RSS, // ul_int stat: rss PIDS_RSS_RLIM, // ul_int stat: rsslim PIDS_SCHED_CLASS, // s_int stat: policy PIDS_SD_MACH, // str derived from PID/TID, see sd-login(3) PIDS_SD_OUID, // str " PIDS_SD_SEAT, // str " PIDS_SD_SESS, // str " PIDS_SD_SLICE, // str " PIDS_SD_UNIT, // str " PIDS_SD_UUNIT, // str " PIDS_SIGBLOCKED, // str status: SigBlk PIDS_SIGCATCH, // str status: SigCgt PIDS_SIGIGNORE, // str status: SigIgn PIDS_SIGNALS, // str status: ShdPnd PIDS_SIGPENDING, // str status: SigPnd PIDS_SMAP_ANONYMOUS, // ul_int smaps_rollup: Anonymous PIDS_SMAP_HUGE_ANON, // ul_int smaps_rollup: AnonHugePages PIDS_SMAP_HUGE_FILE, // ul_int smaps_rollup: FilePmdMapped PIDS_SMAP_HUGE_SHMEM, // ul_int smaps_rollup: ShmemPmdMapped PIDS_SMAP_HUGE_TLBPRV, // ul_int smaps_rollup: Private_Hugetlb PIDS_SMAP_HUGE_TLBSHR, // ul_int smaps_rollup: Shared_Hugetlb PIDS_SMAP_LAZY_FREE, // ul_int smaps_rollup: LazyFree PIDS_SMAP_LOCKED, // ul_int smaps_rollup: Locked PIDS_SMAP_PRV_CLEAN, // ul_int smaps_rollup: Private_Clean PIDS_SMAP_PRV_DIRTY, // ul_int smaps_rollup: Private_Dirty PIDS_SMAP_PRV_TOTAL, // ul_int derived from SMAP_PRV_CLEAN + SMAP_PRV_DIRTY PIDS_SMAP_PSS, // ul_int smaps_rollup: Pss PIDS_SMAP_PSS_ANON, // ul_int smaps_rollup: Pss_Anon PIDS_SMAP_PSS_FILE, // ul_int smaps_rollup: Pss_File PIDS_SMAP_PSS_SHMEM, // ul_int smaps_rollup: Pss_Shmem PIDS_SMAP_REFERENCED, // ul_int smaps_rollup: Referenced PIDS_SMAP_RSS, // ul_int smaps_rollup: Rss PIDS_SMAP_SHR_CLEAN, // ul_int smaps_rollup: Shared_Clean PIDS_SMAP_SHR_DIRTY, // ul_int smaps_rollup: Shared_Dirty PIDS_SMAP_SWAP, // ul_int smaps_rollup: Swap PIDS_SMAP_SWAP_PSS, // ul_int smaps_rollup: SwapPss PIDS_STATE, // s_ch stat: state or status: State PIDS_SUPGIDS, // str status: Groups PIDS_SUPGROUPS, // str derived from SUPGIDS, see getgrgid(3) PIDS_TICS_ALL, // ull_int derived from stat: stime + utime PIDS_TICS_ALL_C, // ull_int derived from stat: stime + utime + cstime + cutime PIDS_TICS_ALL_DELTA, // u_int derived from TICS_ALL PIDS_TICS_BEGAN, // ull_int stat: start_time PIDS_TICS_BLKIO, // ull_int stat: blkio_ticks PIDS_TICS_GUEST, // ull_int stat: gtime PIDS_TICS_GUEST_C, // ull_int derived from stat: gtime + cgtime PIDS_TICS_SYSTEM, // ull_int stat: stime PIDS_TICS_SYSTEM_C, // ull_int derived from stat: stime + cstime PIDS_TICS_USER, // ull_int stat: utime PIDS_TICS_USER_C, // ull_int derived from stat: utime + cutime PIDS_TIME_ALL, // real * derived from stat: (utime + stime) / hertz PIDS_TIME_ALL_C, // real * derived from stat: (utime + stime + cutime + cstime) / hertz PIDS_TIME_ELAPSED, // real * derived from stat: (/proc/uptime - start_time) / hertz PIDS_TIME_START, // real * derived from stat: start_time / hertz PIDS_TTY, // s_int stat: tty_nr PIDS_TTY_NAME, // str derived from TTY PIDS_TTY_NUMBER, // str derived from TTY as str PIDS_UTILIZATION, // real derived from TIME_ALL / TIME_ELAPSED, as percentage PIDS_UTILIZATION_C, // real derived from TIME_ALL_C / TIME_ELAPSED, as percentage PIDS_VM_DATA, // ul_int status: VmData PIDS_VM_EXE, // ul_int status: VmExe PIDS_VM_LIB, // ul_int status: VmLib PIDS_VM_RSS, // ul_int status: VmRSS PIDS_VM_RSS_ANON, // ul_int status: RssAnon PIDS_VM_RSS_FILE, // ul_int status: RssFile PIDS_VM_RSS_LOCKED, // ul_int status: VmLck PIDS_VM_RSS_SHARED, // ul_int status: RssShmem PIDS_VM_SIZE, // ul_int status: VmSize PIDS_VM_STACK, // ul_int status: VmStk PIDS_VM_SWAP, // ul_int status: VmSwap PIDS_VM_USED, // ul_int derived from status: VmRSS + VmSwap PIDS_VSIZE_BYTES, // ul_int stat: vsize PIDS_WCHAN_NAME // str wchan }; // * while these are all expressed as seconds, each can be // converted into tics/jiffies with no loss of precision // when multiplied by hertz obtained via procps_misc(3). enum pids_fetch_type { PIDS_FETCH_TASKS_ONLY, PIDS_FETCH_THREADS_TOO }; enum pids_select_type { PIDS_SELECT_PID = 0x10000, PIDS_SELECT_PID_THREADS = 0x10001, PIDS_SELECT_UID = 0x20000, PIDS_SELECT_UID_THREADS = 0x20001 }; enum pids_sort_order { PIDS_SORT_ASCEND = +1, PIDS_SORT_DESCEND = -1 }; struct pids_result { enum pids_item item; union { signed char s_ch; signed int s_int; unsigned int u_int; unsigned long ul_int; unsigned long long ull_int; char *str; char **strv; double real; } result; }; struct pids_stack { struct pids_result *head; }; struct pids_counts { int total; int running, sleeping, stopped, zombied, other; }; struct pids_fetch { struct pids_counts *counts; struct pids_stack **stacks; }; struct pids_info; #define PIDS_VAL( relative_enum, type, stack, info ) \ stack -> head [ relative_enum ] . result . type int procps_pids_new (struct pids_info **info, enum pids_item *items, int numitems); int procps_pids_ref (struct pids_info *info); int procps_pids_unref (struct pids_info **info); struct pids_stack *fatal_proc_unmounted ( struct pids_info *info, int return_self); struct pids_stack *procps_pids_get ( struct pids_info *info, enum pids_fetch_type which); struct pids_fetch *procps_pids_reap ( struct pids_info *info, enum pids_fetch_type which); int procps_pids_reset ( struct pids_info *info, enum pids_item *newitems, int newnumitems); struct pids_fetch *procps_pids_select ( struct pids_info *info, unsigned *these, int numthese, enum pids_select_type which); struct pids_stack **procps_pids_sort ( struct pids_info *info, struct pids_stack *stacks[], int numstacked, enum pids_item sortitem, enum pids_sort_order order); #ifdef XTRA_PROCPS_DEBUG # include "xtra-procps-debug.h" #endif #ifdef __cplusplus } #endif #endif