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# XXVII. File Alteration Monitor Functions

# 소개

FAM monitors files and directories, notifying interested applications of changes. More information about FAM is available at http://oss.sgi.com/projects/fam/.

A PHP script may specify a list of files for FAM to monitor using the functions provided by this extension.

The FAM process is started when the first connection from any application to it is opened. It exits after all connections to it have been closed.

> 참고: 이 확장 모듈은 윈도우 플랫폼에서는 사용할 수 없습니다.

# 요구 사항

This extension uses the functions of the FAM library, devoloped by SGI. Therefore you have to download and install the FAM library.

# 설치

To use PHP's FAM support you must compile PHP `--with-fam[=DIR]` where DIR is the location of the directory containing the lib and include directories.

# 런타임 설정

이 확장 모듈은 `php.ini` 설정이 존재하지 않습니다.

# 리소스 종류

## FAM resource

# 상수 정의

이 확장 모듈은 다음의 상수를 정의합니다. 이는 확장 모듈을 PHP에 내장했거나, 실행시에 동적으로 읽어들일 경우에만 사용할 수 있습니다.

표 1. FAM event constants

Constant | Description
--- | ---
`FAMChanged` (integer) | Some value which can be obtained with fstat(1) changed for a file or directory.
`FAMDeleted` (integer) | A file or directory was deleted or renamed.
`FAMStartExecuting` (integer) | An executable file started executing.
`FAMStopExecuting` (integer) | An executable file that was running finished.
`FAMCreated` (integer) | A file was created in a directory.
`FAMMoved` (integer) | This event never occurs.
`FAMAcknowledge` (integer) | An event in response to fam_cancel_monitor().
`FAMExists` (integer) | An event upon request to monitor a file or directory. When a directory is monitored, an event for that directory and every file contained in that directory is issued.
`FAMEndExist` (integer) | Event after the last FAMEExists event.

이전 | 처음으로 | 다음
user_error | 위로 | fam_cancel_monitor