b24d65659f
that into a pid_t, which is unsigned on a number archs. Furthermore, find_pid_by_name() would _never_ return an error if the intended proces was "init", but instead would return 1, meaning we would fail to work on 2.4.x kernels running an initrd... -Erik
80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* pidof implementation for busybox
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*
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* Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen
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* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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 GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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#include <signal.h>
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#include <ctype.h>
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#include <string.h>
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#include <unistd.h>
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#include "busybox.h"
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extern int pidof_main(int argc, char **argv)
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{
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int opt;
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/* do normal option parsing */
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while ((opt = getopt(argc, argv, "ne:f:")) > 0) {
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switch (opt) {
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#if 0
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case 'g':
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break;
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case 'e':
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break;
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#endif
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default:
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show_usage();
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}
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}
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/* if we didn't get a process name, then we need to choke and die here */
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if (argv[optind] == NULL)
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show_usage();
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/* Looks like everything is set to go. */
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while(optind < argc) {
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long* pidList;
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pidList = find_pid_by_name( argv[optind]);
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if (!pidList || *pidList<=0) {
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break;
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}
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for(; pidList && *pidList!=0; pidList++) {
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printf("%ld ", (long)*pidList);
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}
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/* Note that we don't bother to free the memory
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* allocated in find_pid_by_name(). It will be freed
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* upon exit, so we can save a byte or two */
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optind++;
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}
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printf("\n");
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return EXIT_SUCCESS;
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}
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