diff options
-rw-r--r-- | sbin/mount_devfs/Makefile | 11 | ||||
-rw-r--r-- | sbin/mount_devfs/mount_devfs.8 | 90 | ||||
-rw-r--r-- | sbin/mount_devfs/mount_devfs.c | 110 |
3 files changed, 211 insertions, 0 deletions
diff --git a/sbin/mount_devfs/Makefile b/sbin/mount_devfs/Makefile new file mode 100644 index 0000000..317f9fd --- /dev/null +++ b/sbin/mount_devfs/Makefile @@ -0,0 +1,11 @@ +# @(#)Makefile 8.2 (Berkeley) 3/27/94 + +PROG= mount_devfs +SRCS= mount_devfs.c getmntopts.c +MAN8= mount_devfs.8 + +MOUNT= ${.CURDIR}/../mount +CFLAGS+= -I${MOUNT} +.PATH: ${MOUNT} + +.include <bsd.prog.mk> diff --git a/sbin/mount_devfs/mount_devfs.8 b/sbin/mount_devfs/mount_devfs.8 new file mode 100644 index 0000000..8c4d63a --- /dev/null +++ b/sbin/mount_devfs/mount_devfs.8 @@ -0,0 +1,90 @@ +.\" +.\" Copyright (c) 1992, 1993, 1994 +.\" The Regents of the University of California. All rights reserved. +.\" All rights reserved. +.\" +.\" This code is derived from software donated to Berkeley by +.\" Jan-Simon Pendry. +.\" +.\" 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. All advertising materials mentioning features or use of this software +.\" must display the following acknowledgement: +.\" This product includes software developed by the University of +.\" California, Berkeley and its contributors. +.\" 4. 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. +.\" +.\" @(#)mount_devfs.8 8.2 (Berkeley) 3/27/94 +.\" +.\" +.Dd March 27, 1994 +.Dt MOUNT_DEFVS 8 +.Os FreeBSD 2.0 +.Sh NAME +.Nm mount_devfs +.Nd mount the /devs file system +.Sh SYNOPSIS +.Nm mount_devfs +.Op Fl o Ar options +.Ar "devfs" +.Ar mount_point +.Sh DESCRIPTION +The +.Nm mount_devfs +command attaches an instance of the kernel's device +namespace to the global filesystem namespace. +The conventional mount point is +.Pa /devs . +This command is normally executed by +.Xr mount 8 +at boot time. +.Pp +The filesystem includes several directories, links, symbolic links and devices, +some of which can also be written. +In a chroot'ed environment, +.Nm +can be used to create a new +.Pa /devs +mount point. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl o +Options are specified with a +.Fl o +flag followed by a comma separated string of options. +See the +.Xr mount 8 +man page for possible options and their meanings. +.El +.Sh SEE ALSO +.Xr mount 2 , +.Xr unmount 2 , +.Xr fstab 5 , +.Xr mount 8 +.Sh CAVEATS +This filesystem may not be NFS-exported. +.Sh HISTORY +The +.Nm mount_devfs +utility first appeared in FreeBSD 2.0 diff --git a/sbin/mount_devfs/mount_devfs.c b/sbin/mount_devfs/mount_devfs.c new file mode 100644 index 0000000..17bd50d --- /dev/null +++ b/sbin/mount_devfs/mount_devfs.c @@ -0,0 +1,110 @@ +/* + * Copyright (c) 1990, 1992 Jan-Simon Pendry + * Copyright (c) 1992, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Jan-Simon Pendry. + * + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + +#ifndef lint +char copyright[] = +"@(#) Copyright (c) 1992, 1993, 1994\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)mount_devfs.c 8.2 (Berkeley) 3/27/94"; +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/mount.h> + +#include <err.h> +#include <unistd.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "mntopts.h" + +struct mntopt mopts[] = { + MOPT_STDOPTS, + { NULL } +}; + +void usage __P((void)); + +int +main(argc, argv) + int argc; + char *argv[]; +{ + int ch, mntflags; + struct vfsconf *vfc; + + mntflags = 0; + while ((ch = getopt(argc, argv, "o:")) != EOF) + switch (ch) { + case 'o': + getmntopts(optarg, mopts, &mntflags, 0); + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + + if (argc != 2) + usage(); + + vfc = getvfsbyname("devfs"); + if(!vfc && vfsisloadable("devfs")) { + if(vfsload("devfs")) { + err(1, "vfsload(devfs)"); + } + endvfsent(); + vfc = getvfsbyname("devfs"); + } + + if (mount(vfc ? vfc->vfc_index : MOUNT_DEVFS, argv[1], mntflags, NULL)) + err(1, NULL); + exit(0); +} + +void +usage() +{ + (void)fprintf(stderr, + "usage: mount_devfs [-o options] devfs mount_point\n"); + exit(1); +} |