[M3devel] thread suspend/resume?

[Tony Hosking]

Solaris thr_suspend/thr_resume are deprecated as I understand it.

Antony Hosking | Associate Professor | Computer Science | Purdue  
University
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On 14 Nov 2009, at 22:33, Jay K wrote:

> (just based on the checkin comment, haven't looked at the code)
>
> Interesting.
> Should we use these sorts of functions more?
>   Direct non-Posix somewhat target-dependent thread suspend/resume?
> NetBSD appears to have suspend/resume but maybe not "all".
> Solaris has them too, thr_suspend((thread_t)pthread), and  
> thr_continue.
> I don't see an "all" function but haven't looked fully.
> I see some evidence that Linux has them too but haven't tracked it  
> down.
> NT already uses SuspendThread/ResumeThread.
> That leaves? Nothing at all?
>  Ok I should look into Irix, AIX, HP-UX, OpenVMS, Tru64.
>  And this stuff doesn't work yet for OpenBSD, it's using user threads.
>
>
> Maybe thread suspend/resume is the "portable enough" interface,  
> implement
> it fairly directly with #ifdefs and only use the signals/semaphore  
> on few systems?
>
>
> (note that Darwin does have the semaphores that are avoided here,
> just slightly different Mach semaphores)
>
>  - Jay
>
> > Date: Sat, 14 Nov 2009 22:41:39 +0000
> > To: m3commit at elegosoft.com
> > From: hosking at elego.de
> > Subject: [M3commit] CVS Update: cm3
> >
> > CVSROOT: /usr/cvs
> > Changes by: hosking at birch. 09/11/14 22:41:39
> >
> > Modified files:
> > cm3/m3-libs/m3core/src/thread/PTHREAD/: ThreadPThreadC.c
> >
> > Log message:
> > Reorder for readability.
> >

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