[haiku-bugs] Re: [Haiku] #2817: setpriority and getpriority are missing to compile ocaml out of the box under Haiku
- From: "Timothy_Gu" <trac@xxxxxxxxxxxx>
- Date: Fri, 16 Jan 2015 18:33:56 -0000
#2817: setpriority and getpriority are missing to compile ocaml out of the box
under Haiku
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Reporter: oco | Owner: nobody
Type: enhancement | Status: new
Priority: normal | Milestone: Unscheduled
Component: System/POSIX | Version: R1/Development
Resolution: | Keywords:
Blocked By: | Blocking:
Has a Patch: 1 | Platform: All
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Comment (by Timothy_Gu):
Replying to [comment:18 pulkomandy]:
> When setpriority is called, the "nice" value for the team should be
updated, and the priority for each running thread adjusted to match. When
a new thread is spawned, its priority should be adjusted according to the
current nice value.
This still does not answer the question of what should the proc niceness
be when the user changes the priority of a thread.
>
> In headers/private/kernel/thread_types.h is the definition of {{{struct
Team}}} which is the place where the process nice value can be stored.
OK
>
> Of course we need a way to get it on the kernel side, and for this
getthreadpriority and setthreadpriority must probably use a new system
call.
How do syscalls work? Is there a simple example somewhere?
--
Ticket URL: <https://dev.haiku-os.org/ticket/2817#comment:19>
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