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# posix_mkfifo

(PHP 3>= 3.0.13, 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.

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).

> 참고: 안전 모드를 활성화했을 경우, PHP는 작업하려는 디렉토리가 실행중인 스크립트와 같은 UID(owner)를 가지고 있는지 확인합니다.

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posix_kill | 위로 | posix_setegid