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- Subject: Re: PIL book - OS blocking calls
- From: David Given <dg@...>
- Date: Thu, 23 Mar 2006 12:59:15 +0000
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Javier Guerra wrote:
[...]
> yep, but with a small set of well chosen mechanisms it gets fairly regular for
> most scenarios.
One of the things we needed to do was to be able to cancel in
in-progress operation. The only we found of doing that on VxWorks was to
terminate the task that was currently blocked on the operation! And
while that *should* work, of course, we were completely at the mercy of
the driver and library writers having put in all the appropriate locking
and cleanup code to be able to cope with such things...
- --
+- David Given --McQ-+
| dg@cowlark.com | "Those that repeat truisms, are also forced to
| (dg@tao-group.com) | repeat them." --- Anonymous from Slashdot
+- www.cowlark.com --+
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