Import mkfifo(1) from NetBSD
This commit is contained in:
Arun Thomas
parent
8f0846e68c
commit
a575be430d
|
|
@ -1,4 +1,6 @@
|
|||
# $NetBSD: Makefile,v 1.3 1994/12/23 07:16:52 jtc Exp $
|
||||
# @(#)Makefile 8.1 (Berkeley) 6/6/93
|
||||
|
||||
PROG= mkfifo
|
||||
MAN=
|
||||
|
||||
.include <bsd.prog.mk>
|
||||
|
|
|
|||
87
commands/mkfifo/mkfifo.1
Normal file
87
commands/mkfifo/mkfifo.1
Normal file
|
|
@ -0,0 +1,87 @@
|
|||
.\" $NetBSD: mkfifo.1,v 1.11 2004/10/08 22:32:35 wiz Exp $
|
||||
.\"
|
||||
.\" 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.
|
||||
.\"
|
||||
.\" @(#)mkfifo.1 8.2 (Berkeley) 1/5/94
|
||||
.\"
|
||||
.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
|
||||
.Nm
|
||||
creates the fifos requested, in the order specified,
|
||||
using mode
|
||||
.Li \&0666
|
||||
modified by the current
|
||||
.Xr umask 2 .
|
||||
.Pp
|
||||
The options are as follows:
|
||||
.Bl -tag -width Ds
|
||||
.It Fl m
|
||||
Set the file permission bits of newly-created fifos to
|
||||
.Ar mode .
|
||||
The mode is specified as in
|
||||
.Xr chmod 1 .
|
||||
In symbolic mode strings, the
|
||||
.Dq +
|
||||
and
|
||||
.Dq -
|
||||
operators are interpreted relative to an assumed initial mode of
|
||||
.Dq a=rw
|
||||
.El
|
||||
.Pp
|
||||
.Nm
|
||||
requires write permission in the parent directory.
|
||||
.Pp
|
||||
.Nm
|
||||
exits 0 if successful, and \*[Gt]0 if an error occurred.
|
||||
.Sh SEE ALSO
|
||||
.Xr mkdir 1 ,
|
||||
.Xr rm 1 ,
|
||||
.Xr mkfifo 2 ,
|
||||
.Xr mknod 8
|
||||
.Sh STANDARDS
|
||||
The
|
||||
.Nm
|
||||
utility is expected to be
|
||||
.St -p1003.2-92
|
||||
compliant.
|
||||
.Sh HISTORY
|
||||
.Nm
|
||||
command appeared in
|
||||
.Bx 4.4 .
|
||||
|
|
@ -1,194 +1,114 @@
|
|||
/* mkfifo - Make FIFO special files Author: V. Archer */
|
||||
/* $NetBSD: mkfifo.c,v 1.12 2008/07/21 14:19:24 lukem Exp $ */
|
||||
|
||||
/* Copyright 1991 by Vincent Archer
|
||||
* You may freely redistribute this software, in source or binary
|
||||
* form, provided that you do not alter this copyright mention in any
|
||||
* way.
|
||||
/*
|
||||
* 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 <stdlib.h>
|
||||
#include <sys/stat.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <minix/minlib.h>
|
||||
#include <sys/cdefs.h>
|
||||
#if 0
|
||||
#ifndef lint
|
||||
__COPYRIGHT("@(#) Copyright (c) 1990, 1993\
|
||||
The Regents of the University of California. All rights reserved.");
|
||||
#endif /* not lint */
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
#ifndef lint
|
||||
#if 0
|
||||
static char sccsid[] = "@(#)mkfifo.c 8.2 (Berkeley) 1/5/94";
|
||||
#endif
|
||||
__RCSID("$NetBSD: mkfifo.c,v 1.12 2008/07/21 14:19:24 lukem Exp $");
|
||||
#endif /* not lint */
|
||||
#endif
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <locale.h>
|
||||
#include <errno.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <unistd.h>
|
||||
#include <err.h>
|
||||
|
||||
#define USR_MODES (S_ISUID|S_IRWXU)
|
||||
#define GRP_MODES (S_ISGID|S_IRWXG)
|
||||
#define EXE_MODES (S_IXUSR|S_IXGRP|S_IXOTH)
|
||||
#ifdef S_ISVTX
|
||||
#define ALL_MODES (USR_MODES|GRP_MODES|S_IRWXO|S_ISVTX)
|
||||
#else
|
||||
#define ALL_MODES (USR_MODES|GRP_MODES|S_IRWXO)
|
||||
#endif
|
||||
#define DEFAULT_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
|
||||
int main __P((int, char **));
|
||||
static void usage __P((void));
|
||||
|
||||
|
||||
/* Global u_mask needed in changemode.h */
|
||||
mode_t u_mask;
|
||||
|
||||
_PROTOTYPE(int main, (int argc, char **argv));
|
||||
_PROTOTYPE(mode_t parsemode, (char *symbolic, mode_t oldmode));
|
||||
_PROTOTYPE(void usage, (void));
|
||||
|
||||
/* Parse a P1003.2 4.7.7-conformant symbolic mode. */
|
||||
mode_t parsemode(char *symbolic, mode_t oldmode)
|
||||
int
|
||||
main(argc, argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
{
|
||||
mode_t who, mask, newmode, tmpmask;
|
||||
char action;
|
||||
int ch, exitval;
|
||||
void *set;
|
||||
mode_t mode;
|
||||
|
||||
newmode = oldmode & ALL_MODES;
|
||||
while (*symbolic) {
|
||||
who = 0;
|
||||
for (; *symbolic; symbolic++) {
|
||||
if (*symbolic == 'a') {
|
||||
who |= ALL_MODES;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'u') {
|
||||
who |= USR_MODES;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'g') {
|
||||
who |= GRP_MODES;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'o') {
|
||||
who |= S_IRWXO;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
if (!*symbolic || *symbolic == ',') usage();
|
||||
while (*symbolic) {
|
||||
if (*symbolic == ',') break;
|
||||
switch (*symbolic) {
|
||||
default:
|
||||
setlocale (LC_ALL, "");
|
||||
|
||||
/* The default mode is the value of the bitwise inclusive or of
|
||||
S_IRUSR, S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH
|
||||
modified by the file creation mask */
|
||||
mode = 0666 & ~umask(0);
|
||||
|
||||
while ((ch = getopt(argc, argv, "m:")) != -1)
|
||||
switch(ch) {
|
||||
case 'm':
|
||||
if (!(set = setmode(optarg))) {
|
||||
err(1, "Cannot set file mode `%s'", optarg);
|
||||
/* NOTREACHED */
|
||||
}
|
||||
/* In symbolic mode strings, the + and - operators are
|
||||
interpreted relative to an assumed initial mode of
|
||||
a=rw. */
|
||||
mode = getmode(set, 0666);
|
||||
free(set);
|
||||
break;
|
||||
case '?':
|
||||
default:
|
||||
usage();
|
||||
case '+':
|
||||
case '-':
|
||||
case '=': action = *symbolic++;
|
||||
}
|
||||
mask = 0;
|
||||
for (; *symbolic; symbolic++) {
|
||||
if (*symbolic == 'u') {
|
||||
tmpmask = newmode & S_IRWXU;
|
||||
mask |= tmpmask | (tmpmask << 3) | (tmpmask << 6);
|
||||
symbolic++;
|
||||
break;
|
||||
}
|
||||
if (*symbolic == 'g') {
|
||||
tmpmask = newmode & S_IRWXG;
|
||||
mask |= tmpmask | (tmpmask >> 3) | (tmpmask << 3);
|
||||
symbolic++;
|
||||
break;
|
||||
}
|
||||
if (*symbolic == 'o') {
|
||||
tmpmask = newmode & S_IRWXO;
|
||||
mask |= tmpmask | (tmpmask >> 3) | (tmpmask >> 6);
|
||||
symbolic++;
|
||||
break;
|
||||
}
|
||||
if (*symbolic == 'r') {
|
||||
mask |= S_IRUSR | S_IRGRP | S_IROTH;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'w') {
|
||||
mask |= S_IWUSR | S_IWGRP | S_IWOTH;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'x') {
|
||||
mask |= EXE_MODES;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 's') {
|
||||
mask |= S_ISUID | S_ISGID;
|
||||
continue;
|
||||
}
|
||||
if (*symbolic == 'X') {
|
||||
if (S_ISDIR(oldmode) || (oldmode & EXE_MODES))
|
||||
mask |= EXE_MODES;
|
||||
continue;
|
||||
}
|
||||
#ifdef S_ISVTX
|
||||
if (*symbolic == 't') {
|
||||
mask |= S_ISVTX;
|
||||
who |= S_ISVTX;
|
||||
continue;
|
||||
}
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
switch (action) {
|
||||
case '=':
|
||||
if (who)
|
||||
newmode &= ~who;
|
||||
else
|
||||
newmode = 0;
|
||||
case '+':
|
||||
if (who)
|
||||
newmode |= who & mask;
|
||||
else
|
||||
newmode |= mask & (~u_mask);
|
||||
break;
|
||||
case '-':
|
||||
if (who)
|
||||
newmode &= ~(who & mask);
|
||||
else
|
||||
newmode &= ~mask | u_mask;
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
if (argv[0] == NULL)
|
||||
usage();
|
||||
|
||||
for (exitval = 0; *argv; ++argv) {
|
||||
if (mkfifo(*argv, mode) < 0) {
|
||||
warn("%s", *argv);
|
||||
exitval = 1;
|
||||
}
|
||||
}
|
||||
if (*symbolic) symbolic++;
|
||||
}
|
||||
return(newmode);
|
||||
exit(exitval);
|
||||
}
|
||||
|
||||
|
||||
/* Main module. Since only one option (-m mode) is allowed, there's no need
|
||||
* to include the whole getopt() stuff.
|
||||
*/
|
||||
int main(argc, argv)
|
||||
int argc;
|
||||
char *argv[];
|
||||
void
|
||||
usage()
|
||||
{
|
||||
int errors = 0;
|
||||
char *symbolic;
|
||||
|
||||
if (argc > 2 && *argv[1] == '-' && strcmp(argv[1], "-m") != 0) usage();
|
||||
argc--;
|
||||
argv++;
|
||||
if (argc && strncmp(*argv, "-m", (size_t) 2) == 0) {
|
||||
argc--;
|
||||
if ((argv[0])[2])
|
||||
symbolic = (*argv++) + 2;
|
||||
else {
|
||||
if (!argc--) usage();
|
||||
argv++;
|
||||
symbolic = *argv++;
|
||||
}
|
||||
u_mask = umask(0);
|
||||
umask(u_mask);
|
||||
} else
|
||||
symbolic = (char *) 0;
|
||||
|
||||
if (!argc) usage();
|
||||
for (; argc--; argv++)
|
||||
if (mkfifo(*argv, DEFAULT_MODE)) {
|
||||
perror(*argv);
|
||||
errors = 1;
|
||||
} else if (symbolic && chmod(*argv, parsemode(symbolic, DEFAULT_MODE))) {
|
||||
unlink(*argv);
|
||||
perror(*argv);
|
||||
errors = 1;
|
||||
}
|
||||
return(errors);
|
||||
}
|
||||
|
||||
|
||||
/* Posix command prototype. */
|
||||
void usage()
|
||||
{
|
||||
std_err("Usage: mkfifo [-m mode] file...\n");
|
||||
exit(1);
|
||||
(void)fprintf(stderr, "usage: mkfifo [-m mode] fifoname ...\n");
|
||||
exit(1);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -11,7 +11,7 @@ MAN= acd.1 anm.1 ar.1 ash.1 asize.1 at.1 banner.1 basename.1 \
|
|||
install.1 isodir.1 isoinfo.1 isoread.1 join.1 kill.1 \
|
||||
last.1 leave.1 loadfont.1 loadkeys.1 logger.1 login.1 \
|
||||
look.1 lp.1 ls.1 lspci.1 M.1 mail.1 \
|
||||
mesg.1 mixer.1 mkdep.1 mkdir.1 mkfifo.1 mkfs.1 \
|
||||
mesg.1 mixer.1 mkdep.1 mkdir.1 mkfs.1 \
|
||||
mkproto.1 modem.1 mount.1 mt.1 nice.1 nm.1 nohup.1 od.1 \
|
||||
ossinfo.1 ossmix.1 ossplay.1 ossrecord.1 osstest.1 passwd.1 \
|
||||
paste.1 ping.1 playwave.1 postmort.1 pr.1 prep.1 \
|
||||
|
|
|
|||
|
|
@ -1,30 +0,0 @@
|
|||
.TH MKFIFO 1
|
||||
.SH NAME
|
||||
mkfifo \- make a named pipe
|
||||
.SH SYNOPSIS
|
||||
\fBmkfifo [\fB\-m \fImode\fR] \fIfifo ...\fR
|
||||
.br
|
||||
.de FL
|
||||
.TP
|
||||
\\fB\\$1\\fR
|
||||
\\$2
|
||||
..
|
||||
.de EX
|
||||
.TP 20
|
||||
\\fB\\$1\\fR
|
||||
# \\$2
|
||||
..
|
||||
.SH OPTIONS
|
||||
.FL "\-m" "Create fifo with specified mode"
|
||||
.SH EXAMPLES
|
||||
.EX "mkfifo pipe" "Create \fIpipe\fP in the current directory"
|
||||
.EX "mkfifo -m a+w systatus" "Create the \fIsystatus\fP writable by all"
|
||||
.SH DESCRIPTION
|
||||
.PP
|
||||
The specified fifo special files are created.
|
||||
If the \fB\-m\fR flag is used, this will be equivalent to a chmod
|
||||
on the fifo special file after its creation.
|
||||
.SH "SEE ALSO"
|
||||
.BR chmod (1),
|
||||
.BR mknod (2),
|
||||
.BR mknod (8).
|
||||
Loading…
Reference in a new issue