man 2 setpriority - issues

Igor Pechtchanski pechtcha@cs.nyu.edu
Tue Sep 23 15:32:00 GMT 2003


On Tue, 23 Sep 2003, Hannu E K Nevalainen (garbage mail) wrote:

> $ man 2 getpriority
> ...
> SYNOPSIS
> ...
>      int
>      setpriority(int which, int who, int prio);
> ...
>
> $ man 2 setpriority
> No entry for setpriority in section 2 of the manual
>
> IMO this is very confusing IF you're not aware of it. I spent some time
> finding out.

FWIW, I don't have manpage for getpriority on my system, and the search of
Cygwin packages turned out nothing, so I have no idea which package
contains it.  That being said, the usual solution for this problem is
"cd /usr/share/man/man2 && ln -s getpriority.2 setpriority.2", which goes
into the postinstall script for the package (whatever it is).

> Then; "PRIO_PROCESS" mentioned later in the manpage doesn't seem to be
> defined anywhere in the include files...
>
> $ cd /usr/include/
> $ grep PRIO_PROCESS *
> $

Try "find /usr/include -type f | xargs grep -H PRIO_PROCESS".

> Any pointers on where to find it - or how to bypass this when it gets used
> in something you wish to build?
> http://www.cygwin.com/ml/libc-hacker/2002-07/msg00013.html
> seems to contain a diff on resources.h that adds (removes?) PRIO_PROCESS and
> friends. Is this a "correct" change to apply?
>
> Is there any Windows-"ism" affecting this on cygwin?
>
> /Hannu E K Nevalainen, B.Sc. EE

Hope this helps,
	Igor
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