96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/*
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* Copyright (c) 1989 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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#ifndef lint
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char copyright[] =
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"@(#) Copyright (c) 1989 Regents of the University of California.\n\
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All rights reserved.\n";
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#endif not lint
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#ifndef lint
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/*static char sccsid[] = "from: @(#)nfsiod.c 5.4 (Berkeley) 6/29/90";*/
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static char rcsid[] = "$Id: nfsiod.c,v 1.6 1993/08/01 18:25:53 mycroft Exp $";
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#endif not lint
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#include <stdio.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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/* Global defs */
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#ifdef DEBUG
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int debug = 1;
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#else
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int debug = 0;
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#endif
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void not_nfsclient();
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/*
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* Nfsiod does asynchronous buffered I/O on behalf of the NFS client.
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* It does not have to be running for correct operation, but will improve
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* throughput. The one optional argument is the number of children to fork.
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*/
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main(argc, argv)
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int argc;
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char *argv[];
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{
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register int i;
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int cnt;
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signal(SIGSYS, not_nfsclient);
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if (debug == 0) {
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daemon(0, 0);
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signal(SIGINT, SIG_IGN);
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signal(SIGQUIT, SIG_IGN);
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signal(SIGTERM, SIG_IGN);
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signal(SIGHUP, SIG_IGN);
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}
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if (argc != 2 || (cnt = atoi(argv[1])) <= 0 || cnt > 20)
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cnt = 1;
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for (i = 1; i < cnt; i++)
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if (fork() == 0)
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break;
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async_daemon(); /* Never returns */
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exit(1);
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}
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void not_nfsclient()
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{
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(void) fprintf(stderr, "nfsd: not configured as NFS client\n");
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exit(1);
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}
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