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Thread preemption and blocking IO & device drivers
- From: Rycerz Roman-G11565 <roman dot rycerz at motorola dot com>
- To: "Ecos-Discuss at Sources dot Com (ecos-discuss at sources dot redhat dot com)" <ecos-discuss at sources dot redhat dot com>
- Date: Thu, 9 Sep 2004 10:43:29 -0500
- Subject: [ECOS] Thread preemption and blocking IO & device drivers
Hi
I have a general question about threads and IO blocking.
If I have 2 tasks A & B.
A is higher priority (bitmap scheduler) and does a blocking read.
Is there anything special the driver has to do to let task B to run ???
Thanks
Roman F. Rycerz
Engr Section Mgr
Test & Tools
Motorola IESS, ACES, PCSG, PCG
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