posix_mkfifo
(PHP 4, PHP 5)
posix_mkfifo — Create a fifo special file (a named pipe)
說明
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.
參數
- 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值
如果成功則回傳 TRUE，失敗則回傳 FALSE。
註釋
Note: 當安全模式被啟用時，PHP 將檢查被操作的檔案或者目錄是否與正在執行的腳本有相同的 UID（擁有者）。