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posix_mknod

posix_mknod

(PHP 5 >= 5.1.0)

posix_mknod Create a special or ordinary file (POSIX.1)

说明

bool posix_mknod ( string $pathname , int $mode [, int $major = 0 [, int $minor = 0 ]] )

Creates a special or ordinary file.

参数

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_IFIFO or POSIX_S_IFSOCK) and permissions.

major

The major device kernel identifier (required to pass when using S_IFCHR or S_IFBLK).

minor

The minor device kernel identifier.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE.

范例

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()));
}

?>

参见


  • posix_access
  • posix_ctermid
  • posix_errno
  • 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_get_last_error
  • posix_initgroups
  • posix_isatty
  • posix_kill
  • posix_mkfifo
  • posix_mknod
  • posix_setegid
  • posix_seteuid
  • posix_setgid
  • posix_setpgid
  • posix_setsid
  • posix_setuid
  • posix_strerror
  • posix_times
  • posix_ttyname
  • posix_uname
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