110 lines
5.2 KiB
C
110 lines
5.2 KiB
C
/*
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* Copyright 1998-2004 by Albert Cahalan; all rights reserved.
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* This file may be used subject to the terms and conditions of the
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* GNU Library General Public License Version 2, or any later version
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* at your option, as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "common.h"
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void __attribute__ ((__noreturn__)) usage(FILE * out, int section)
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{
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fputs(USAGE_HEADER, out);
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fprintf(out,
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" %s [options]\n", program_invocation_short_name);
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if (section == USAGE_SELECTION || section == USAGE_ALL) {
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fputs(_("\nSimple options:\n"), out);
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fputs(_(" -A all processes\n"), out);
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fputs(_(" -N, --deselect negate selection\n"), out);
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fputs(_(" -a all without tty and session leader\n"), out);
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fputs(_(" -d all except session leader\n"), out);
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fputs(_(" -e all processes\n"), out);
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fputs(_(" T all processes on this terminal\n"), out);
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fputs(_(" a all without tty, including other users\n"), out);
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fputs(_(" g obsolete, do not use\n"), out);
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fputs(_(" r only running processes\n"), out);
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fputs(_(" x processes without controlling ttys\n"), out);
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}
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if (section == USAGE_LIST || section == USAGE_ALL) {
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fputs(_("\nSelection by list:\n"), out);
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fputs(_(" -C <command> command name\n"), out);
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fputs(_(" U, -u, --user <uid> effective user id or name\n"), out);
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fputs(_(" -U, --User <uid> real user id or name\n"), out);
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fputs(_(" -G, --Group <gid> real group id or name\n"), out);
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fputs(_(" -g, --group <group> session or effective group name\n"), out);
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fputs(_(" -p, --pid <pid> process id\n"), out);
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fputs(_(" --ppid <pid> select by parent process id\n"), out);
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fputs(_(" -s, --sid <session> session id\n"), out);
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fputs(_(" t, -t, --tty <tty> terminal\n"), out);
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fputs(_("\n selection <arguments> take csv list e.g. `-u root,nobody'\n"), out);
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}
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if (section == USAGE_OUTPUT || section == USAGE_ALL) {
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fputs(_("\nOutput formats:\n"), out);
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fputs(_(" o, -o, --format <format>"), out);
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fputs(_(" user defined format\n"), out);
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fputs(_(" O <format> preloaded -o allowing sorting\n"), out);
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fputs(_(" -O <format> preloaded, with default columns, allowing sorting\n"), out);
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fputs(_(" -j jobs format\n"), out);
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fputs(_(" j BSD job control format\n"), out);
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fputs(_(" -l long format\n"), out);
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fputs(_(" l BSD long format\n"), out);
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fputs(_(" y do not show flags, show rrs in place addr (used with -l)\n"), out);
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fputs(_(" -f full-format\n"), out);
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fputs(_(" -F extra full\n"), out);
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fputs(_(" s signal format\n"), out);
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fputs(_(" v virtual memory\n"), out);
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fputs(_(" u user-oriented format\n"), out);
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fputs(_(" X register format\n"), out);
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fputs(_(" Z, -M security data (for SE Linux)\n"), out);
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fputs(_(" f, --forest ascii art process tree\n"), out);
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fputs(_(" -H show process hierarchy\n"), out);
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fputs(_(" --context display security context (for SE Linux)\n"), out);
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fputs(_(" --heading repeat header lines\n"), out);
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fputs(_(" --no-headers do not print header at all\n"), out);
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fputs(_(" --cols <num> set screen width\n"), out);
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fputs(_(" --rows <num> set screen height\n"), out);
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}
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if (section == USAGE_THREADS || section == USAGE_ALL) {
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fputs(_("\nShow threads:\n"), out);
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fputs(_(" H as if they where processes\n"), out);
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fputs(_(" -L possibly with LWP and NLWP columns\n"), out);
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fputs(_(" -T possibly with SPID column\n"), out);
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fputs(_(" m, -m after processes\n"), out);
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}
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if (section == USAGE_MISC || section == USAGE_ALL) {
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fputs(_("\nMisc options:\n"), out);
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fputs(_(" w, -w unlimited output width\n"), out);
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fputs(_(" L list format codes\n"), out);
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fputs(_(" c true command name\n"), out);
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fputs(_(" n display numeric uid and wchan\n"), out);
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fputs(_(" -y do not show flags, show rss (only with -l)\n"), out);
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fputs(_(" -c show scheduling class\n"), out);
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fputs(_(" --sort <spec> specify sort order, can be a csv list\n"), out);
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fputs(_(" S, --cumulative include some dead child process data\n"), out);
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fputs(_(" --info print debuggin information\n"), out);
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fputs(_(" V,-V, --version display version information and exit\n"), out);
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fputs(_(" --help <selection|list|output|threads|misc|all>\n"), out);
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fputs(_(" display help\n"), out);
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}
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if (section == USAGE_DEFAULT)
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fprintf(out,
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_("\n Try `%s --help <selection|list|output|threads|misc|all>'\n"
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" for more information.\n"), program_invocation_short_name);
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fprintf(out, USAGE_MAN_TAIL("ps(1)"));
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exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS);
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}
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/* Missing:
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*
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* -P e k
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*
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*/
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