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XXIX. File Alteration Monitor Functions
Introduktion
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.
Bemærk: Denne udvidelse er ikke tilgængelige på Windows platformen.
Systemkrav
This extension uses the functions of the FAM library, devoloped by SGI. Therefore you have to download and install the FAM library.
Installation
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.
Runtime Konfiguration
Denne udvidelse har intet konfigurations-direktiv defineret i php.ini.
Foruddefinerede Konstanter
Konstanterne nedenunder er defineret af denne udvidelse, og vil kun være tilgængelige når denne udvidelse enten er blevet kompileret ind i PHP eller dynamisk indsat under runtime.
Tabel 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. |
- Indholdsfortegnelse
- fam_cancel_monitor -- Terminate monitoring
- fam_close -- Close FAM connection
- fam_monitor_collection -- Monitor a collection of files in a directory for changes
- fam_monitor_directory -- Monitor a directory for changes
- fam_monitor_file -- Monitor a regular file for changes
- fam_next_event -- Get next pending FAM event
- fam_open -- Open connection to FAM daemon
- fam_pending -- Check for pending FAM events
- fam_resume_monitor -- Resume suspended monitoring
- fam_suspend_monitor -- Temporarily suspend monitoring