From: Jonathan Larmour <jlarmour@redhat.com>
To: Huang Qiang <jameshq@liverpool.ac.uk>
Cc: eCos <ecos-discuss@sources.redhat.com>
Subject: Re: [ECOS] Question about "allow per-thread timer" selection option in eCos
Date: Fri, 20 Apr 2001 08:07:00 -0000 [thread overview]
Message-ID: <3AE050AD.56987B6C@redhat.com> (raw)
In-Reply-To: <KIEBICHBADHFCLGCKOPDGEEICBAA.jameshq@liv.ac.uk>
Huang Qiang wrote:
>
> Can cyg_thread_delay() routine work withourt allow per-thread timer option
> (in eCos configuration) selected?
>
> I try to implement cyg_thread_delay() with allow per-thread timer enabled
> but the program halted forever but when I remove the allow per-thread timer
> selection in eCos configuration the program can work with
> cyg_thread_delay(). ( But it seems no actual delay in the thread which call
> the cyg_thread_delay() ) What's wrong?
With per-thread timers disabled, cyg_thread_delay() does absolutely
nothing.
Are you sure you're calling cyg_thread_delay with the correct units? It's
clock ticks, not seconds/milliseconds/etc.
Have you used or looked at the twothreads example program? That uses
cyg_thread_delay.
Jifl
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prev parent reply other threads:[~2001-04-20 8:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-04-20 7:38 Huang Qiang
2001-04-20 8:07 ` Jonathan Larmour [this message]
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