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Re: [Bug-gnubg] BUG: "Set priority belownormal" does not work
From: |
Jon Kinsey |
Subject: |
Re: [Bug-gnubg] BUG: "Set priority belownormal" does not work |
Date: |
Wed, 04 Feb 2004 15:21:02 +0000 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6b) Gecko/20031205 Thunderbird/0.4 |
Ian Shaw wrote:
Using gnubg-no-gui under windows, I set priority belownormal.
Looking at it in Task Manger, the priority is still listed as normal.
Is there a way to always start it up with low priority. I was going to put the
setting in .gnubgrc, but if the command does not work there is no point.
The code uses SetThreadPriority() to change the thread priority, perhaps
it should use SetPriorityClass() to change the process priority instead.
The task manager shows the process priority not individual thread
priorities.
Below is an extract from the sdk documentation which shows that there
are up to 32 different priority levels on windows. Perhaps we need to
work out what would be useful to set for a user (e.g. low, normal or high)?
Jon
Each process belongs to one of the following priority classes:
IDLE_PRIORITY_CLASS
BELOW_NORMAL_PRIORITY_CLASS
NORMAL_PRIORITY_CLASS
ABOVE_NORMAL_PRIORITY_CLASS
HIGH_PRIORITY_CLASS
REALTIME_PRIORITY_CLASS
The following are priority levels within each priority class
THREAD_PRIORITY_IDLE
THREAD_PRIORITY_LOWEST
THREAD_PRIORITY_BELOW_NORMAL
THREAD_PRIORITY_NORMAL
THREAD_PRIORITY_ABOVE_NORMAL
THREAD_PRIORITY_HIGHEST
THREAD_PRIORITY_TIME_CRITICAL
The following table shows the base priority levels for combinations of
priority class and priority value.
Process Priority Class Thread Priority Level
1 IDLE_PRIORITY_CLASS THREAD_PRIORITY_IDLE
1 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_IDLE
1 NORMAL_PRIORITY_CLASS THREAD_PRIORITY_IDLE
1 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_IDLE
1 HIGH_PRIORITY_CLASS THREAD_PRIORITY_IDLE
2 IDLE_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
3 IDLE_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
4 IDLE_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
4 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
5 IDLE_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
5 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
5 Background NORMAL_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
6 IDLE_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
6 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
6 Background NORMAL_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
7 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
7 Background NORMAL_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
7 Foreground NORMAL_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
8 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
8 NORMAL_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
8 Foreground NORMAL_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
8 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
9 NORMAL_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
9 Foreground NORMAL_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
9 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
10 Foreground NORMAL_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
10 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
11 Foreground NORMAL_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
11 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
11 HIGH_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
12 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
12 HIGH_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
13 HIGH_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
14 HIGH_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
15 HIGH_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
15 HIGH_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL
15 IDLE_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL
15 BELOW_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL
15 NORMAL_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL
15 ABOVE_NORMAL_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL
16 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_IDLE
17 REALTIME_PRIORITY_CLASS -7
18 REALTIME_PRIORITY_CLASS -6
19 REALTIME_PRIORITY_CLASS -5
20 REALTIME_PRIORITY_CLASS -4
21 REALTIME_PRIORITY_CLASS -3
22 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_LOWEST
23 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_BELOW_NORMAL
24 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_NORMAL
25 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_ABOVE_NORMAL
26 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_HIGHEST
27 REALTIME_PRIORITY_CLASS 3
28 REALTIME_PRIORITY_CLASS 4
29 REALTIME_PRIORITY_CLASS 5
30 REALTIME_PRIORITY_CLASS 6
31 REALTIME_PRIORITY_CLASS THREAD_PRIORITY_TIME_CRITICAL