posix_mkfifo
(PHP 4, PHP 5)
posix_mkfifo — Create a fifo special file (a named pipe)
Description
bool posix_mkfifo
( string $pathname
, int $mode
)
posix_mkfifo() creates a special FIFO file which exists in the file system and acts as a bidirectional communication endpoint for processes.
Parameters
- pathname
-
Path to the FIFO file.
- mode
-
The second parameter mode has to be given in octal notation (e.g. 0644). The permission of the newly created FIFO also depends on the setting of the current umask(). The permissions of the created file are (mode & ~umask).
Return Values
成功回傳TRUE失敗回傳FALSE。
Notes
Note: 當安全模式開啟，PHP會檢查執行的腳本和要操作的檔案或目錄是否有相同的UID(擁有者)。