diff options
Diffstat (limited to 'usr.bin/mkfifo')
| -rw-r--r-- | usr.bin/mkfifo/Makefile | 3 | ||||
| -rw-r--r-- | usr.bin/mkfifo/Makefile.depend | 15 | ||||
| -rw-r--r-- | usr.bin/mkfifo/mkfifo.1 | 95 | ||||
| -rw-r--r-- | usr.bin/mkfifo/mkfifo.c | 98 |
4 files changed, 211 insertions, 0 deletions
diff --git a/usr.bin/mkfifo/Makefile b/usr.bin/mkfifo/Makefile new file mode 100644 index 000000000000..aa19b2abf758 --- /dev/null +++ b/usr.bin/mkfifo/Makefile @@ -0,0 +1,3 @@ +PROG= mkfifo + +.include <bsd.prog.mk> diff --git a/usr.bin/mkfifo/Makefile.depend b/usr.bin/mkfifo/Makefile.depend new file mode 100644 index 000000000000..6ef78fac5cbf --- /dev/null +++ b/usr.bin/mkfifo/Makefile.depend @@ -0,0 +1,15 @@ +# Autogenerated - do NOT edit! + +DIRDEPS = \ + include \ + include/xlocale \ + lib/${CSU_DIR} \ + lib/libc \ + lib/libcompiler_rt \ + + +.include <dirdeps.mk> + +.if ${DEP_RELDIR} == ${_DEP_RELDIR} +# local dependencies - needed for -jN in clean tree +.endif diff --git a/usr.bin/mkfifo/mkfifo.1 b/usr.bin/mkfifo/mkfifo.1 new file mode 100644 index 000000000000..ccb841904d76 --- /dev/null +++ b/usr.bin/mkfifo/mkfifo.1 @@ -0,0 +1,95 @@ +.\" Copyright (c) 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" This code is derived from software contributed to Berkeley by +.\" the Institute of Electrical and Electronics Engineers, Inc. +.\" +.\" 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. +.\" +.Dd January 5, 1994 +.Dt MKFIFO 1 +.Os +.Sh NAME +.Nm mkfifo +.Nd make fifos +.Sh SYNOPSIS +.Nm +.Op Fl m Ar mode +.Ar fifo_name ... +.Sh DESCRIPTION +The +.Nm +utility creates the fifos requested, in the order specified. +.Pp +The options are as follows: +.Bl -tag -width indent +.It Fl m +Set the file permission bits of the created fifos to the +specified mode, ignoring the +.Xr umask 2 +of the calling process. +The +.Ar mode +argument takes any format that can be specified to the +.Xr chmod 1 +command. +If a symbolic mode is specified, the op symbols +.Ql + +(plus) and +.Ql - +(hyphen) are interpreted relative to an assumed initial mode of +.Dq Li a=rw +(read and write permissions for all). +.El +.Pp +If the +.Fl m +option is not specified, fifos are created with mode +.Li 0666 +modified by the +.Xr umask 2 +of the calling process. +The +.Nm +utility requires write permission in the parent directory. +.Sh EXIT STATUS +.Ex -std +.Sh SEE ALSO +.Xr mkdir 1 , +.Xr rm 1 , +.Xr mkfifo 2 , +.Xr mknod 2 , +.Xr mknod 8 +.Sh STANDARDS +The +.Nm +utility is expected to be +.St -p1003.2 +compliant. +.Sh HISTORY +The +.Nm +command appeared in +.Bx 4.4 . diff --git a/usr.bin/mkfifo/mkfifo.c b/usr.bin/mkfifo/mkfifo.c new file mode 100644 index 000000000000..9fdc298f980d --- /dev/null +++ b/usr.bin/mkfifo/mkfifo.c @@ -0,0 +1,98 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 1990, 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/types.h> +#include <sys/stat.h> + +#include <err.h> +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#define BASEMODE S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | \ + S_IROTH | S_IWOTH + +static void usage(void) __dead2; + +static int f_mode; + +int +main(int argc, char *argv[]) +{ + const char *modestr = NULL; + const void *modep; + mode_t fifomode; + int ch, exitval; + + while ((ch = getopt(argc, argv, "m:")) != -1) + switch(ch) { + case 'm': + f_mode = 1; + modestr = optarg; + break; + case '?': + default: + usage(); + } + argc -= optind; + argv += optind; + if (argv[0] == NULL) + usage(); + + if (f_mode) { + umask(0); + errno = 0; + if ((modep = setmode(modestr)) == NULL) { + if (errno) + err(1, "setmode"); + errx(1, "invalid file mode: %s", modestr); + } + fifomode = getmode(modep, BASEMODE); + } else { + fifomode = BASEMODE; + } + + for (exitval = 0; *argv != NULL; ++argv) + if (mkfifo(*argv, fifomode) < 0) { + warn("%s", *argv); + exitval = 1; + } + exit(exitval); +} + +static void +usage(void) +{ + (void)fprintf(stderr, "usage: mkfifo [-m mode] fifo_name ...\n"); + exit(1); +} |