Multiprocessor problem?
Multiprocessor problem?
- Subject: Multiprocessor problem?
- From: Mark Hunt <email@hidden>
- Date: Mon, 17 Mar 2003 20:52:45 +0000
Hi
I have an App that crashes occasionally on dual processor machines.
The computer appears to become bus-locked, but it's hard to be sure.
Only a reset/power cycle will bring it back.
OS is 10.2.4. Any dual-cpu Mac will do!
Some minor changes to the network code seem to changed the probability
of this bug.
My networking code uses a blocking BSD socket, which places part of the
packet data into a circular array of buffers when it unblocks (data
arrives), and loops.
Is it possible for this code to execute concurrently (on both
processors at the same time) for different packets? This would
definitely explain my problem!
If so, what's the recommended work-around?
Thanks
Mark
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