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author | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
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committer | rgrimes <rgrimes@FreeBSD.org> | 1994-05-27 05:00:24 +0000 |
commit | be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da (patch) | |
tree | a18a706dffa5baf86a3b12bbfb4f81caa097f349 /lib/libc/sys/mkfifo.2 | |
parent | 2a27bd86e6002c871e3b5561a5334653bb222a77 (diff) | |
download | FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.zip FreeBSD-src-be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da.tar.gz |
BSD 4.4 Lite Lib Sources
Diffstat (limited to 'lib/libc/sys/mkfifo.2')
-rw-r--r-- | lib/libc/sys/mkfifo.2 | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/lib/libc/sys/mkfifo.2 b/lib/libc/sys/mkfifo.2 new file mode 100644 index 0000000..6f7686e --- /dev/null +++ b/lib/libc/sys/mkfifo.2 @@ -0,0 +1,124 @@ +.\" Copyright (c) 1990, 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. +.\" +.\" @(#)mkfifo.2 8.1 (Berkeley) 6/4/93 +.\" +.Dd June 4, 1993 +.Dt MKFIFO 2 +.Os +.Sh NAME +.Nm mkfifo +.Nd make a fifo file +.Sh SYNOPSIS +.Fd #include <sys/stat.h> +.Ft int +.Fn mkfifo "const char *path" "mode_t mode" +.Sh DESCRIPTION +.Fn Mkfifo +creates a new fifo file with name +.Fa path . +The access permissions are +specified by +.Fa mode +and restricted by the +.Xr umask 2 +of the calling process. +.Pp +The fifo's owner ID is set to the process's effective user ID. +The fifo's group ID is set to that of the parent directory in +which it is created. +.Sh RETURN VALUES +A 0 return value indicates success. A -1 return value +indicates an error, and an error code is stored in +.Va errno . +.Sh ERRORS +.Fn Mkfifo +will fail and no fifo will be created if: +.Bl -tag -width ENAMETOOLO +.It Bq Er ENOTSUPP +The kernel has not been configured to support fifo's. +.It Bq Er ENOTDIR +A component of the path prefix is not a directory. +.It Bq Er EINVAL +The pathname contains a character with the high-order bit set. +.It Bq Er ENAMETOOLONG +A component of a pathname exceeded 255 characters, +or an entire path name exceeded 1023 characters. +.It Bq Er ENOENT +A component of the path prefix does not exist. +.It Bq Er EACCES +Search permission is denied for a component of the path prefix. +.It Bq Er ELOOP +Too many symbolic links were encountered in translating the pathname. +.It Bq Er EPERM +The +.Fa path +argument contains a byte with the high-order bit set. +.It Bq Er EROFS +The named file resides on a read-only file system. +.It Bq Er EEXIST +The named file exists. +.It Bq Er ENOSPC +The directory in which the entry for the new fifo is being placed +cannot be extended because there is no space left on the file +system containing the directory. +.It Bq Er ENOSPC +There are no free inodes on the file system on which the +fifo is being created. +.It Bq Er EDQUOT +The directory in which the entry for the new fifo +is being placed cannot be extended because the +user's quota of disk blocks on the file system +containing the directory has been exhausted. +.It Bq Er EDQUOT +The user's quota of inodes on the file system on +which the fifo is being created has been exhausted. +.It Bq Er EIO +An +.Tn I/O +error occurred while making the directory entry or allocating the inode. +.It Bq Er EIO +An +.Tn I/O +error occurred while reading from or writing to the file system. +.It Bq Er EFAULT +.Fa Path +points outside the process's allocated address space. +.El +.Sh SEE ALSO +.Xr chmod 2 , +.Xr stat 2 , +.Xr umask 2 +.Sh STANDARDS +The +.Nm mkfifo +function call conforms to +.St -p1003.1-88 . |