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Annotation of 43BSDReno/lib/libc/sys/mkfifo.2, revision 1.1

1.1     ! root        1: .\" Copyright (c) 1990 The Regents of the University of California.
        !             2: .\" All rights reserved.
        !             3: .\"
        !             4: .\" Redistribution and use in source and binary forms are permitted provided
        !             5: .\" that: (1) source distributions retain this entire copyright notice and
        !             6: .\" comment, and (2) distributions including binaries display the following
        !             7: .\" acknowledgement:  ``This product includes software developed by the
        !             8: .\" University of California, Berkeley and its contributors'' in the
        !             9: .\" documentation or other materials provided with the distribution and in
        !            10: .\" all advertising materials mentioning features or use of this software.
        !            11: .\" Neither the name of the University nor the names of its contributors may
        !            12: .\" be used to endorse or promote products derived from this software without
        !            13: .\" specific prior written permission.
        !            14: .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
        !            15: .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
        !            16: .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        !            17: .\"
        !            18: .\"    @(#)mkfifo.2    6.2 (Berkeley) 6/23/90
        !            19: .\"
        !            20: .TH MKFIFO 2 "June 23, 1990"
        !            21: .UC 7
        !            22: .SH NAME
        !            23: mkfifo \- make a fifo file
        !            24: .SH SYNOPSIS
        !            25: .nf
        !            26: .ft B
        !            27: mkfifo(path, mode)
        !            28: char *path;
        !            29: int mode;
        !            30: .fi
        !            31: .ft R
        !            32: .SH DESCRIPTION
        !            33: .I Mkfifo
        !            34: creates a new fifo file with name
        !            35: .IR path .
        !            36: The mode of the new file
        !            37: is initialized from
        !            38: .IR mode .
        !            39: (The protection part of the mode
        !            40: is modified by the process's mode mask; see
        !            41: .IR umask (2)).
        !            42: .PP
        !            43: The fifo's owner ID is set to the process's effective user ID.
        !            44: The fifo's group ID is set to that of the parent directory in
        !            45: which it is created.
        !            46: .PP
        !            47: The low-order 9 bits of mode are modified by the process's
        !            48: file mode creation mask: all bits set in the process's file mode
        !            49: creation mask are cleared.  See
        !            50: .IR umask (2).
        !            51: .SH "RETURN VALUE
        !            52: A 0 return value indicates success.  A \-1 return value
        !            53: indicates an error, and an error code is stored in
        !            54: .I errno.
        !            55: .SH "ERRORS
        !            56: .I Mkfifo
        !            57: will fail and no fifo will be created if:
        !            58: .TP 15
        !            59: [ENOTSUPP]
        !            60: The kernel has not been configured to support fifo's.
        !            61: .TP 15
        !            62: [ENOTDIR]
        !            63: A component of the path prefix is not a directory.
        !            64: .TP 15
        !            65: [EINVAL]
        !            66: The pathname contains a character with the high-order bit set.
        !            67: .TP 15
        !            68: [ENAMETOOLONG]
        !            69: A component of a pathname exceeded 255 characters,
        !            70: or an entire path name exceeded 1023 characters.
        !            71: .TP 15
        !            72: [ENOENT]
        !            73: A component of the path prefix does not exist.
        !            74: .TP 15
        !            75: [EACCES]
        !            76: Search permission is denied for a component of the path prefix.
        !            77: .TP 15
        !            78: [ELOOP]
        !            79: Too many symbolic links were encountered in translating the pathname.
        !            80: .TP 15
        !            81: [EPERM]
        !            82: The \fIpath\fP argument contains a byte with the high-order bit set.
        !            83: .TP 15
        !            84: [EROFS]
        !            85: The named file resides on a read-only file system.
        !            86: .TP 15
        !            87: [EEXIST]
        !            88: The named file exists.
        !            89: .TP 15
        !            90: [ENOSPC]
        !            91: The directory in which the entry for the new fifo is being placed
        !            92: cannot be extended because there is no space left on the file
        !            93: system containing the directory.
        !            94: .TP 15
        !            95: [ENOSPC]
        !            96: There are no free inodes on the file system on which the
        !            97: fifo is being created.
        !            98: .TP 15
        !            99: [EDQUOT]
        !           100: The directory in which the entry for the new fifo
        !           101: is being placed cannot be extended because the
        !           102: user's quota of disk blocks on the file system
        !           103: containing the directory has been exhausted.
        !           104: .TP 15
        !           105: [EDQUOT]
        !           106: The user's quota of inodes on the file system on
        !           107: which the fifo is being created has been exhausted.
        !           108: .TP 15
        !           109: [EIO]
        !           110: An I/O error occurred while making the directory entry or allocating the inode.
        !           111: .TP 15
        !           112: [EIO]
        !           113: An I/O error occurred while reading from or writing to the file system.
        !           114: .TP 15
        !           115: [EFAULT]
        !           116: .I Path
        !           117: points outside the process's allocated address space.
        !           118: .SH "SEE ALSO"
        !           119: chmod(2), stat(2), umask(2)

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