diff options
Diffstat (limited to 'sbin/mknod')
-rw-r--r-- | sbin/mknod/Makefile | 6 | ||||
-rw-r--r-- | sbin/mknod/mknod.8 | 99 | ||||
-rw-r--r-- | sbin/mknod/mknod.c | 82 |
3 files changed, 187 insertions, 0 deletions
diff --git a/sbin/mknod/Makefile b/sbin/mknod/Makefile new file mode 100644 index 0000000..272753f --- /dev/null +++ b/sbin/mknod/Makefile @@ -0,0 +1,6 @@ +# @(#)Makefile 8.1 (Berkeley) 6/5/93 + +PROG= mknod +MAN8= mknod.0 + +.include <bsd.prog.mk> diff --git a/sbin/mknod/mknod.8 b/sbin/mknod/mknod.8 new file mode 100644 index 0000000..73f71d3 --- /dev/null +++ b/sbin/mknod/mknod.8 @@ -0,0 +1,99 @@ +.\" Copyright (c) 1980, 1991, 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. 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. +.\" +.\" @(#)mknod.8 8.2 (Berkeley) 12/11/93 +.\" +.Dd December 11, 1993 +.Dt MKNOD 8 +.Os BSD 4 +.Sh NAME +.Nm mknod +.Nd build special file +.Sh SYNOPSIS +.Nm mknod +.Ar name +.Op Cm c | Cm b +.Ar major minor +.Sh DESCRIPTION +The +.Nm mknod +command creates device special files. +Normally the shell script +.Pa /dev/MAKEDEV +is used to create special files for commonly known devices; it executes +.Nm mknod +with the appropriate arguments and can make all the files required for the +device. +.Pp +To make nodes manually, the four required arguments are: +.Pp +.Bl -tag -width majorx +.It Ar name +Device name, for example +.Dq sd +for a SCSI disk on an HP300 or a +.Dq pty +for pseudo-devices. +.It Cm b | Cm c +Type of device. If the +device is a block type device such as a tape or disk drive which needs +both cooked and raw special files, +the type is +.Cm b . +All other devices are character type devices, such as terminal +and pseudo devices, and are type +.Cm c . +.It Ar major +The major device number is an integer number which tells the kernel +which device driver entry point to use. To learn what +major device number to use for a particular device, check the file +.Pa /dev/MAKEDEV +to see if the device is known, or check +the system dependent device configuration file: +.Bd -filled -offset indent +.Dq Pa /usr/src/sys/conf/device. Ns Em architecture +.Ed +.Pp +(for example +.Pa device.hp300 ) . +.It Ar minor +The minor device number tells the kernel which subunit +the node corresponds to on the device; for example, +a subunit may be a filesystem partition +or a tty line. +.El +.Sh SEE ALSO +.Xr mknod 2 , +.Xr makedev 8 +.Sh HISTORY +A +.Nm +command appeared in Version 6 AT&T UNIX. diff --git a/sbin/mknod/mknod.c b/sbin/mknod/mknod.c new file mode 100644 index 0000000..b70acf1 --- /dev/null +++ b/sbin/mknod/mknod.c @@ -0,0 +1,82 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Kevin Fall. + * + * 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 +static char copyright[] = +"@(#) Copyright (c) 1989, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)mknod.c 8.1 (Berkeley) 6/5/93"; +#endif /* not lint */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <stdio.h> + +main(argc, argv) + int argc; + char **argv; +{ + extern int errno; + u_short mode; + char *strerror(); + + if (argc != 5) { + (void)fprintf(stderr, + "usage: mknod name [b | c] major minor\n"); + exit(1); + } + + mode = 0666; + if (argv[2][0] == 'c') + mode |= S_IFCHR; + else if (argv[2][0] == 'b') + mode |= S_IFBLK; + else { + (void)fprintf(stderr, + "mknod: node must be type 'b' or 'c'.\n"); + exit(1); + } + + if (mknod(argv[1], mode, makedev(atoi(argv[3]), atoi(argv[4]))) < 0) { + (void)fprintf(stderr, + "mknod: %s: %s\n", argv[1], strerror(errno)); + exit(1); + } + exit(0); +} |