diff options
Diffstat (limited to 'usr.bin/renice/renice.c')
| -rw-r--r-- | usr.bin/renice/renice.c | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/usr.bin/renice/renice.c b/usr.bin/renice/renice.c deleted file mode 100644 index 977f081..0000000 --- a/usr.bin/renice/renice.c +++ /dev/null @@ -1,181 +0,0 @@ -/* $NetBSD: renice.c,v 1.18 2008/07/21 14:19:25 lukem Exp $ */ - -/* - * Copyright (c) 1983, 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -#ifndef lint -__COPYRIGHT("@(#) Copyright (c) 1983, 1989, 1993\ - The Regents of the University of California. All rights reserved."); -#endif /* not lint */ - -#ifndef lint -/*static char sccsid[] = "from: @(#)renice.c 8.1 (Berkeley) 6/9/93";*/ -__RCSID("$NetBSD: renice.c,v 1.18 2008/07/21 14:19:25 lukem Exp $"); -#endif /* not lint */ - -#include <sys/resource.h> - -#include <err.h> -#include <errno.h> -#include <limits.h> -#include <pwd.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> - -static int getnum(const char *, const char *, int *); -static int donice(int, id_t, int, int); -static void usage(void) __dead; - -/* - * Change the priority (nice) of processes - * or groups of processes which are already - * running. - */ -int -main(int argc, char **argv) -{ - int which = PRIO_PROCESS; - int prio, errs = 0, incr = 0; - id_t who = 0; - - argc--, argv++; - if (argc < 2) - usage(); - if (strcmp(*argv, "-n") == 0) { - incr = 1; - argc--, argv++; - if (argc == 0) - usage(); - } - if (getnum("priority", *argv, &prio)) - return 1; - argc--, argv++; - for (; argc > 0; argc--, argv++) { - if (strcmp(*argv, "-g") == 0) { - which = PRIO_PGRP; - continue; - } - if (strcmp(*argv, "-u") == 0) { - which = PRIO_USER; - continue; - } - if (strcmp(*argv, "-p") == 0) { - which = PRIO_PROCESS; - continue; - } - if (which == PRIO_USER) { - struct passwd *pwd = getpwnam(*argv); - - if (pwd == NULL) { - warnx("%s: unknown user", *argv); - errs++; - continue; - } - who = (id_t)pwd->pw_uid; - } else { - int twho; - if (getnum("pid", *argv, &twho)) { - errs++; - continue; - } - if (twho < 0) { - warnx("%s: bad value", *argv); - errs++; - continue; - } - who = (id_t)twho; - } - errs += donice(which, who, prio, incr); - } - return errs == 0 ? EXIT_SUCCESS : EXIT_FAILURE; -} - -static int -getnum(const char *com, const char *str, int *val) -{ - long v; - char *ep; - - errno = 0; - v = strtol(str, &ep, 0); - - if (*ep) { - warnx("Bad %s argument: %s", com, str); - return 1; - } - if ((v == LONG_MIN || v == LONG_MAX) && errno == ERANGE) { - warn("Invalid %s argument: %s", com, str); - return 1; - } - - *val = (int)v; - return 0; -} - -static int -donice(int which, id_t who, int prio, int incr) -{ - int oldprio; - - errno = 0; - if ((oldprio = getpriority(which, who)) == -1 && errno != 0) { - warn("%d: getpriority", who); - return 1; - } - - if (incr) - prio = oldprio + prio; - - if (prio > PRIO_MAX) - prio = PRIO_MAX; - if (prio < PRIO_MIN) - prio = PRIO_MIN; - - if (setpriority(which, who, prio) == -1) { - warn("%d: setpriority", who); - return 1; - } - (void)printf("%d: old priority %d, new priority %d\n", - who, oldprio, prio); - return 0; -} - -static void -usage(void) -{ - - (void)fprintf(stderr, "Usage: %s [<priority> | -n <incr>] ", - getprogname()); - (void)fprintf(stderr, "[[-p] <pids>...] [-g <pgrp>...] "); - (void)fprintf(stderr, "[-u <user>...]\n"); - exit(1); -} |