[haiku-bugs] Re: [Haiku] #2817: setpriority and getpriority are missing to compile ocaml out of the box under Haiku
- From: "bonefish" <trac@xxxxxxxxxxxx>
- Date: Sun, 16 Jan 2011 10:40:12 -0000
#2817: setpriority and getpriority are missing to compile ocaml out of the box
under Haiku
---------------------------+------------------------------
Reporter: oco | Owner: nobody
Type: enhancement | Status: new
Priority: normal | Milestone: R1
Component: System/POSIX | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Has a Patch: 0
Platform: All | Blocking:
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Comment (by bonefish):
Replying to [comment:10 leavengood]:
> Hmmm, I was thinking it would just be a userland libroot change which
called set_thread_priority and similar.
Since one cannot access the pthread scheduling priority of other teams'
threads, that would basically limit the implementation to what mmu_man's
`renice` does. `getpriority()` would only be able to guess from the thread
priorities and I don't think there is an interface to iterate through the
processes of a process group, either.
> I still think I could do it, but having it as a kernel change is a bit
more complicated indeed. So I may just do it as a patch then, which I
could later commit once it was reviewed.
Feel free.
> How do you do kernel work while actually running Haiku? I imagine it
isn't too safe to mess with the kernel on the running system. Could I test
with Qemu or similar? Or do you build onto another partition and test on
that?
I usually work under Linux with qemu (or VMware). If qemu under Haiku
works, that would be an option, too, but the turn-around times under Linux
are shorter. Net-booting a second machine is slower than using emulators.
Working with two installations on one machine -- developing in one,
testing with the other -- is forbiddingly time consuming.
--
Ticket URL: <http://dev.haiku-os.org/ticket/2817#comment:11>
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