Sets priority class of a process.
tSetPriority ( process-id , priority class)
(i) process-id process-id of a particular process. (obtained by tListProc)
(i) priority class Priority flag. See below
(i) always 1
Note: Windows 2000 and newer : this function requires the following process-specific access right PROCESS_SET_INFORMATION. It is required, in order to set certain information about a process, such as its priority class.
The process's priority class is one of the following values.
|
Value
|
Priority |
Description |
|
32 |
NORMAL_PRIORITY_CLASS |
Indicates a normal process with no special scheduling needs.
|
|
64 |
IDLE_PRIORITY_CLASS |
Indicates a process whose threads run only when the system is idle and are preempted by the threads of any process running in a higher priority class. An example is a screen saver. The idle priority class is inherited by child processes.
|
|
128 |
HIGH_PRIORITY_CLASS |
Indicates a process that performs time-critical tasks that must be executed immediately for it to run correctly. The threads of a high-priority class process preempt the threads of normal or idle priority class processes. An example is the Task List, which must respond quickly when called by the user, regardless of the load on the operating system. Use extreme care when using the high-priority class, because a high-priority class CPU-bound application can use nearly all available cycles.
|
|
256 |
REALTIME_PRIORITY_CLASS |
Indicates a process that has the highest possible priority. The threads of a real-time priority class process preempt the threads of all other processes, including operating system processes performing important tasks. For example, a real-time process that executes for more than a very brief interval can cause disk caches not to flush or cause the mouse to be unresponsive.
|
|
16384 |
BELOW_NORMAL_PRIORITY_CLASS |
Windows NT and Windows Me/98/95: This value is not supported.
Indicates a process that has priority above IDLE_PRIORITY_CLASS but below NORMAL_PRIORITY_CLASS. |
|
32768 |
ABOVE_NORMAL_PRIORITY_CLASS |
Windows NT and Windows Me/98/95: This value is not supported.
Indicates a process that has priority above NORMAL_PRIORITY_CLASS but below HIGH_PRIORITY_CLASS. |
AddExtender("WWPRC44I.DLL",0,"WWPRC64I.DLL")
Processlist=tListProc()
lookfor="notepad"
ptr=StrIndexNC(processlist,lookfor,0,@FWDSCAN)
If ptr==0
Message(lookfor,"Not found")
Exit
EndIf
ptr=StrIndex(processlist,"|",ptr,@FWDSCAN)
ptr2=StrIndex(processlist,@TAB,ptr,@FWDSCAN)
If ptr2==0;if last item in list
pid=StrSub(processlist,ptr+1,-1)
Else
pid=StrSub(processlist,ptr+1,ptr2-ptr-1)
EndIf
Message(lookfor,pid)
ret = tSetPriority(pid,128);set to high priority
Message("Check priority of 'notepad' process in Task Manager","It should be set to high")
ret = tSetPriority(pid,32);set back to normal
Message("Check priority of 'notepad' process in Task Manager","It should be set back to normal")