proc_nice
(PHP 5)
proc_nice — Change the priority of the current process
說明
proc_nice() changes the priority of the current process by the amount specified in increment . A positive increment will lower the priority of the current process, whereas a negative increment will raise the priority.
proc_nice() is not related to proc_open() and its associated functions in any way.
參數
- increment
-
The increment value of the priority change.
Return值
如果成功則回傳 TRUE，失敗則回傳 FALSE。 If an error occurs, like the user lacks permission to change the priority, an error of level E_WARNING is also generated.
註釋
Note: Availability proc_nice() will only exist if your system has 'nice' capabilities. 'nice' conforms to: SVr4, SVID EXT, AT&T, X/OPEN, BSD 4.3. This means that proc_nice() is not available on Windows.