to display list of the advisory file locks in the system. Example output $ procstat advlock RW TYPE PID SYSID FSID RDEV INO START LEN PATH RO FCNTL 5836 0 0x878700ff02 0xffffffffffffffff 57 0 0 /tmp/2 RW FLOCK -1 0 0x878700ff02 0xffffffffffffffff 13 0 0 /tmp/1 Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D34834
635 lines
15 KiB
C
635 lines
15 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2007, 2011 Robert N. M. Watson
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* Copyright (c) 2015 Allan Jude <allanjude@freebsd.org>
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* Copyright (c) 2017 Dell EMC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/user.h>
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#include <err.h>
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#include <libprocstat.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <unistd.h>
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#include "procstat.h"
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enum {
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PS_CMP_NORMAL = 0x00,
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PS_CMP_PLURAL = 0x01,
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PS_CMP_SUBSTR = 0x02
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};
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struct procstat_cmd {
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const char *command;
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const char *xocontainer;
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const char *usage;
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void (*cmd)(struct procstat *, struct kinfo_proc *);
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void (*opt)(int, char * const *);
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int cmp;
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};
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int procstat_opts = 0;
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static void cmdopt_none(int argc, char * const argv[]);
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static void cmdopt_verbose(int argc, char * const argv[]);
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static void cmdopt_signals(int argc, char * const argv[]);
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static void cmdopt_rusage(int argc, char * const argv[]);
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static void cmdopt_files(int argc, char * const argv[]);
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static void cmdopt_cpuset(int argc, char * const argv[]);
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static const char *progname;
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/* aliased program parameters and arguments
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* - usage field is abused to hold the pointer to the function
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* displaying program usage
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*/
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static const struct procstat_cmd pacmd_table[] = {
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/* arguments are the same as for pwdx: pid or core file */
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{ "pargs", "args", NULL, &procstat_pargs, &cmdopt_none,
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PS_CMP_NORMAL | PS_MODE_COMPAT },
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{ "penv", "env", NULL, &procstat_penv, &cmdopt_none,
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PS_CMP_NORMAL | PS_MODE_COMPAT },
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{ "pwdx", "pwd", NULL, &procstat_pwdx, &cmdopt_none,
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PS_CMP_NORMAL | PS_MODE_COMPAT }
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};
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/* procstat parameters and arguments */
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static const struct procstat_cmd cmd_table[] = {
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{ "advlock", "advisory_locks", NULL, &procstat_advlocks, &cmdopt_none,
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PS_CMP_PLURAL | PS_CMP_SUBSTR | PS_MODE_NO_KINFO_PROC },
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{ "argument", "arguments", NULL, &procstat_args, &cmdopt_none,
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PS_CMP_PLURAL | PS_CMP_SUBSTR },
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{ "auxv", "auxv", NULL, &procstat_auxv, &cmdopt_none, PS_CMP_NORMAL },
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{ "basic", "basic", NULL, &procstat_basic, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "binary", "binary", NULL, &procstat_bin, &cmdopt_none,
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PS_CMP_SUBSTR },
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{ "cpuset", "cs", NULL, &procstat_cs, &cmdopt_cpuset, PS_CMP_NORMAL },
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{ "cs", "cs", NULL, &procstat_cs, &cmdopt_cpuset, PS_CMP_NORMAL },
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{ "credential", "credentials", NULL, &procstat_cred, &cmdopt_none,
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PS_CMP_PLURAL | PS_CMP_SUBSTR },
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{ "environment", "environment", NULL, &procstat_env, &cmdopt_none,
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PS_CMP_SUBSTR },
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{ "fd", "files", "[-C]", &procstat_files, &cmdopt_files,
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PS_CMP_PLURAL },
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{ "file", "files", "[-C]", &procstat_files, &cmdopt_files,
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PS_CMP_PLURAL },
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{ "kstack", "kstack", "[-v]", &procstat_kstack, &cmdopt_verbose,
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PS_CMP_NORMAL },
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{ "pargs", "args", NULL, &procstat_pargs, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "penv", "env", NULL, &procstat_penv, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "ptlwpinfo", "ptlwpinfo", NULL, &procstat_ptlwpinfo, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "pwdx", "pwd", NULL, &procstat_pwdx, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "rlimit", "rlimit", NULL, &procstat_rlimit, &cmdopt_none,
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PS_CMP_NORMAL },
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{ "rusage", "rusage", "[-Ht]", &procstat_rusage, &cmdopt_rusage,
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PS_CMP_NORMAL },
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{ "sigfastblock", "sigfastblock", NULL, &procstat_sigfastblock,
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&cmdopt_none, PS_CMP_NORMAL },
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{ "signal", "signals", "[-n]", &procstat_sigs, &cmdopt_signals,
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PS_CMP_PLURAL | PS_CMP_SUBSTR },
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{ "thread", "threads", NULL, &procstat_threads, &cmdopt_none,
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PS_CMP_PLURAL },
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{ "tsignal", "thread_signals", "[-n]", &procstat_threads_sigs,
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&cmdopt_signals, PS_CMP_PLURAL | PS_CMP_SUBSTR },
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{ "vm", "vm", NULL, &procstat_vm, &cmdopt_none, PS_CMP_NORMAL }
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};
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static void
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usage(const struct procstat_cmd *cmd)
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{
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size_t i, l;
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int multi;
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if (cmd == NULL || (cmd->cmp & PS_MODE_COMPAT) == 0) {
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xo_error("usage: procstat [--libxo] [-h] [-M core] [-N system]"
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" [-w interval] command\n"
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" [pid ... | core ...]\n"
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" procstat [--libxo] -a [-h] [-M core] [-N system] "
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" [-w interval] command\n"
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" procstat [--libxo] [-h] [-M core] [-N system]"
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" [-w interval]\n"
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" [-S | -b | -c | -e | -f [-C] | -i [-n] | "
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"-j [-n] | -k [-k] |\n"
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" -l | -r [-H] | -s | -t | -v | -x] "
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"[pid ... | core ...]\n"
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" procstat [--libxo] -a [-h] [-M core] [-N system]"
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" [-w interval]\n"
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" [-S | -b | -c | -e | -f [-C] | -i [-n] | "
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"-j [-n] | -k [-k] |\n"
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" -l | -r [-H] | -s | -t | -v | -x]\n"
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" procstat [--libxo] -L [-h] [-M core] [-N system] core ...\n"
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"Available commands:\n");
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for (i = 0, l = nitems(cmd_table); i < l; i++) {
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multi = i + 1 < l && cmd_table[i].cmd ==
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cmd_table[i + 1].cmd;
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xo_error(" %s%s%s", multi ? "[" : "",
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cmd_table[i].command, (cmd_table[i].cmp &
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PS_CMP_PLURAL) ? "(s)" : "");
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for (; i + 1 < l && cmd_table[i].cmd ==
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cmd_table[i + 1].cmd; i++)
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xo_error(" | %s%s", cmd_table[i + 1].command,
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(cmd_table[i].cmp & PS_CMP_PLURAL) ?
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"(s)" : "");
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if (multi)
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xo_error("]");
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if (cmd_table[i].usage != NULL)
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xo_error(" %s", cmd_table[i].usage);
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xo_error("\n");
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}
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} else {
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xo_error("usage: %s [--libxo] pid ...\n", progname);
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}
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xo_finish();
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exit(EX_USAGE);
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}
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static void
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procstat(const struct procstat_cmd *cmd, struct procstat *prstat,
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struct kinfo_proc *kipp)
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{
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char *pidstr = NULL;
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asprintf(&pidstr, "%d", kipp->ki_pid);
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if (pidstr == NULL)
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xo_errc(1, ENOMEM, "Failed to allocate memory in procstat()");
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xo_open_container(pidstr);
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cmd->cmd(prstat, kipp);
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xo_close_container(pidstr);
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free(pidstr);
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}
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/*
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* Sort processes first by pid and then tid.
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*/
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static int
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kinfo_proc_compare(const void *a, const void *b)
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{
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int i;
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i = ((const struct kinfo_proc *)a)->ki_pid -
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((const struct kinfo_proc *)b)->ki_pid;
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if (i != 0)
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return (i);
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i = ((const struct kinfo_proc *)a)->ki_tid -
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((const struct kinfo_proc *)b)->ki_tid;
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return (i);
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}
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void
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kinfo_proc_sort(struct kinfo_proc *kipp, int count)
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{
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qsort(kipp, count, sizeof(*kipp), kinfo_proc_compare);
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}
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const char *
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kinfo_proc_thread_name(const struct kinfo_proc *kipp)
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{
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static char name[MAXCOMLEN+1];
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strlcpy(name, kipp->ki_tdname, sizeof(name));
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strlcat(name, kipp->ki_moretdname, sizeof(name));
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if (name[0] == '\0' || strcmp(kipp->ki_comm, name) == 0) {
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name[0] = '-';
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name[1] = '\0';
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}
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return (name);
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}
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static const struct procstat_cmd *
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getcmdbyprogname(const char *pprogname)
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{
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const char *ca;
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size_t i;
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if (pprogname == NULL)
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return (NULL);
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for (i = 0; i < nitems(pacmd_table); i++) {
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ca = pacmd_table[i].command;
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if (ca != NULL && strcmp(ca, pprogname) == 0)
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return (&pacmd_table[i]);
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}
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return (NULL);
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}
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static const struct procstat_cmd *
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getcmd(const char *str)
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{
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const struct procstat_cmd *cmd;
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size_t i, l;
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int cmp, s;
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if (str == NULL)
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return (NULL);
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cmd = NULL;
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if ((l = strlen(str)) == 0)
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return (getcmd("basic"));
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s = l > 1 && strcasecmp(str + l - 1, "s") == 0;
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for (i = 0; i < nitems(cmd_table); i++) {
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/*
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* After the first match substring matches are disabled,
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* allowing subsequent full matches to take precedence.
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*/
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if (cmd == NULL && (cmd_table[i].cmp & PS_CMP_SUBSTR))
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cmp = strncasecmp(str, cmd_table[i].command, l -
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((cmd_table[i].cmp & PS_CMP_PLURAL) && s ? 1 : 0));
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else if ((cmd_table[i].cmp & PS_CMP_PLURAL) && s &&
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l == strlen(cmd_table[i].command) + 1)
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cmp = strncasecmp(str, cmd_table[i].command, l - 1);
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else
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cmp = strcasecmp(str, cmd_table[i].command);
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if (cmp == 0)
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cmd = &cmd_table[i];
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}
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return (cmd);
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}
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int
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main(int argc, char *argv[])
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{
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struct kinfo_proc *p;
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const struct procstat_cmd *cmd;
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struct procstat *prstat, *cprstat;
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char *dummy, *nlistf, *memf;
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const char *xocontainer;
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long l;
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pid_t pid;
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int aflag, ch, cnt, i, interval;
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interval = 0;
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cmd = NULL;
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memf = nlistf = NULL;
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aflag = 0;
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argc = xo_parse_args(argc, argv);
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progname = getprogname();
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cmd = getcmdbyprogname(progname);
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while ((ch = getopt(argc, argv, "abCcefHhijkLlM:N:nrSstvw:x")) != -1) {
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switch (ch) {
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case 'a':
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aflag++;
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break;
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case 'b':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("binary");
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break;
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case 'C':
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procstat_opts |= PS_OPT_CAPABILITIES;
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break;
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case 'c':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("arguments");
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break;
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case 'e':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("environment");
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break;
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case 'f':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("files");
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break;
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case 'H':
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procstat_opts |= PS_OPT_PERTHREAD;
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break;
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case 'h':
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procstat_opts |= PS_OPT_NOHEADER;
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break;
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case 'i':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("signals");
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break;
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case 'j':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("tsignals");
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break;
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case 'k':
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if (cmd != NULL && cmd->cmd == procstat_kstack) {
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if ((procstat_opts & PS_OPT_VERBOSE) != 0)
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usage(cmd);
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procstat_opts |= PS_OPT_VERBOSE;
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} else {
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("kstack");
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}
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break;
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case 'L':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("ptlwpinfo");
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break;
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case 'l':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("rlimit");
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break;
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case 'M':
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memf = optarg;
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break;
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case 'N':
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nlistf = optarg;
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break;
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case 'n':
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procstat_opts |= PS_OPT_SIGNUM;
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break;
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case 'r':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("rusage");
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break;
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case 'S':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("cpuset");
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break;
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case 's':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("credentials");
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break;
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case 't':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("threads");
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break;
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case 'v':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("vm");
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break;
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case 'w':
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l = strtol(optarg, &dummy, 10);
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if (*dummy != '\0')
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usage(cmd);
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if (l < 1 || l > INT_MAX)
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usage(cmd);
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interval = l;
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break;
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case 'x':
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if (cmd != NULL)
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usage(cmd);
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cmd = getcmd("auxv");
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break;
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case '?':
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default:
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usage(cmd);
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}
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}
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argc -= optind;
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argv += optind;
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if (cmd == NULL && argv[0] != NULL && (cmd = getcmd(argv[0])) != NULL) {
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if ((procstat_opts & PS_SUBCOMMAND_OPTS) != 0)
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usage(cmd);
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if (cmd->opt != NULL) {
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optreset = 1;
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optind = 1;
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cmd->opt(argc, argv);
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if ((cmd->cmp & PS_MODE_COMPAT) == 0) {
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argc -= optind;
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argv += optind;
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}
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} else {
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argc -= 1;
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argv += 1;
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}
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} else {
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if (cmd == NULL)
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cmd = getcmd("basic");
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if (cmd->cmd != procstat_files &&
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(procstat_opts & PS_OPT_CAPABILITIES) != 0 &&
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(cmd->cmp & PS_MODE_COMPAT) == 0)
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usage(cmd);
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}
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/* Must specify either the -a flag or a list of pids. */
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if (!(aflag == 1 && argc == 0) && !(aflag == 0 && argc > 0) &&
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(cmd->cmp & PS_MODE_NO_KINFO_PROC) == 0)
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usage(cmd);
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if (memf != NULL)
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prstat = procstat_open_kvm(nlistf, memf);
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else
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prstat = procstat_open_sysctl();
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if (prstat == NULL)
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xo_errx(1, "procstat_open()");
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do {
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xocontainer = cmd->xocontainer != NULL ? cmd->xocontainer :
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cmd->command;
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xo_set_version(PROCSTAT_XO_VERSION);
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xo_open_container(progname);
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xo_open_container(xocontainer);
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if ((cmd->cmp & PS_MODE_NO_KINFO_PROC) != 0) {
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cmd->cmd(prstat, NULL);
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goto iter;
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}
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if (aflag) {
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p = procstat_getprocs(prstat, KERN_PROC_PROC, 0, &cnt);
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if (p == NULL)
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xo_errx(1, "procstat_getprocs()");
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kinfo_proc_sort(p, cnt);
|
|
for (i = 0; i < cnt; i++) {
|
|
procstat(cmd, prstat, &p[i]);
|
|
|
|
/* Suppress header after first process. */
|
|
procstat_opts |= PS_OPT_NOHEADER;
|
|
xo_flush();
|
|
}
|
|
procstat_freeprocs(prstat, p);
|
|
}
|
|
for (i = 0; i < argc; i++) {
|
|
l = strtol(argv[i], &dummy, 10);
|
|
if (*dummy == '\0') {
|
|
if (l < 0)
|
|
usage(cmd);
|
|
pid = l;
|
|
|
|
p = procstat_getprocs(prstat, KERN_PROC_PID,
|
|
pid, &cnt);
|
|
if (p == NULL)
|
|
xo_errx(1, "procstat_getprocs()");
|
|
if (cnt != 0)
|
|
procstat(cmd, prstat, p);
|
|
procstat_freeprocs(prstat, p);
|
|
} else {
|
|
if ((cmd->cmp & PS_MODE_COMPAT) == 0) {
|
|
cprstat = procstat_open_core(argv[i]);
|
|
if (cprstat == NULL) {
|
|
warnx("procstat_open()");
|
|
continue;
|
|
}
|
|
p = procstat_getprocs(cprstat,
|
|
KERN_PROC_PID, -1, &cnt);
|
|
if (p == NULL) {
|
|
xo_errx(1,
|
|
"procstat_getprocs()");
|
|
}
|
|
if (cnt != 0)
|
|
procstat(cmd, cprstat, p);
|
|
procstat_freeprocs(cprstat, p);
|
|
procstat_close(cprstat);
|
|
} else {
|
|
usage(cmd);
|
|
}
|
|
}
|
|
if ((cmd->cmp & PS_MODE_COMPAT) == 0) {
|
|
/* Suppress header after first process. */
|
|
procstat_opts |= PS_OPT_NOHEADER;
|
|
}
|
|
}
|
|
|
|
iter:
|
|
xo_close_container(xocontainer);
|
|
xo_close_container(progname);
|
|
xo_finish();
|
|
if (interval)
|
|
sleep(interval);
|
|
} while (interval);
|
|
|
|
procstat_close(prstat);
|
|
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
cmdopt_none(int argc, char * const argv[])
|
|
{
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "")) != -1) {
|
|
switch (ch) {
|
|
case '?':
|
|
default:
|
|
usage(NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cmdopt_verbose(int argc, char * const argv[])
|
|
{
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "v")) != -1) {
|
|
switch (ch) {
|
|
case 'v':
|
|
procstat_opts |= PS_OPT_VERBOSE;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage(NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cmdopt_signals(int argc, char * const argv[])
|
|
{
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "n")) != -1) {
|
|
switch (ch) {
|
|
case 'n':
|
|
procstat_opts |= PS_OPT_SIGNUM;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage(NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cmdopt_rusage(int argc, char * const argv[])
|
|
{
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "Ht")) != -1) {
|
|
switch (ch) {
|
|
case 'H':
|
|
/* FALLTHROUGH */
|
|
case 't':
|
|
procstat_opts |= PS_OPT_PERTHREAD;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage(NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cmdopt_files(int argc, char * const argv[])
|
|
{
|
|
int ch;
|
|
|
|
while ((ch = getopt(argc, argv, "C")) != -1) {
|
|
switch (ch) {
|
|
case 'C':
|
|
procstat_opts |= PS_OPT_CAPABILITIES;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage(NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
cmdopt_cpuset(int argc, char * const argv[])
|
|
{
|
|
|
|
procstat_opts |= PS_OPT_PERTHREAD;
|
|
cmdopt_none(argc, argv);
|
|
}
|