posix_mknod
(PHP 5 >= 5.1.0)
posix_mknod — Create a special or ordinary file (POSIX.1)
Description
bool posix_mknod
( string
$pathname
, int $mode
[, int $major = 0
[, int $minor = 0
]] )Creates a special or ordinary file.
Parameters
-
pathname -
The file to create
-
mode -
This parameter is constructed by a bitwise OR between file type (one of the following constants:
POSIX_S_IFREG,POSIX_S_IFCHR,POSIX_S_IFBLK,POSIX_S_IFIFOorPOSIX_S_IFSOCK) and permissions. -
major -
The major device kernel identifier (required to pass when using
S_IFCHRorS_IFBLK). -
minor -
The minor device kernel identifier.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 A posix_mknod() example
<?php
$file = '/tmp/tmpfile'; // file name
$type = POSIX_S_IFBLK; // file type
$permissions = 0777; // octal
$major = 1;
$minor = 8; // /dev/random
if (!posix_mknod($file, $type | $permissions, $major, $minor)) {
die('Error ' . posix_get_last_error() . ': ' . posix_strerror(posix_get_last_error()));
}
?>
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- POSIX
- posix_access
- posix_ctermid
- posix_errno
- posix_get_last_error
- posix_getcwd
- posix_getegid
- posix_geteuid
- posix_getgid
- posix_getgrgid
- posix_getgrnam
- posix_getgroups
- posix_getlogin
- posix_getpgid
- posix_getpgrp
- posix_getpid
- posix_getppid
- posix_getpwnam
- posix_getpwuid
- posix_getrlimit
- posix_getsid
- posix_getuid
- posix_initgroups
- posix_isatty
- posix_kill
- posix_mkfifo
- posix_mknod
- posix_setegid
- posix_seteuid
- posix_setgid
- posix_setpgid
- posix_setrlimit
- posix_setsid
- posix_setuid
- posix_strerror
- posix_times
- posix_ttyname
- posix_uname
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