POSIX_MKNOD(3) 1 POSIX_MKNOD(3)
posix_mknod - Create a special or ordinary file (POSIX.1)
SYNOPSIS
bool posix_mknod (string $pathname, int $mode, [int $major], [int $minor])
DESCRIPTION
Creates a special or ordinary file.
PARAMETERS
o $pathname
- The file to create
o $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_IFIFO or POSIX_S_IFSOCK) and permissions.
o $major
- The major device kernel identifier (required to pass when using S_IFCHR or S_IFBLK).
o $minor
- The minor device kernel identifier.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
A posix_mknod(3) 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()));
}
?>
SEE ALSO
posix_mkfifo(3).
PHP Documentation Group POSIX_MKNOD(3)
