RE: [ECOS] FW: Questions about dsr?

["Retallack, Mark (Poole)" <mark dot retallack at siemens dot com>]

Title: FW: Questions about dsr?

DSR's cannot block. (We learnt the hard way after a very strange crash and not reading the documentation). A DSR is just a delayed ISR, so you don't want to be doing to much in a DSR that cannot be done in a thread.

 

 -----Original Message-----
From: Wang dot Alvin at iac dot com dot tw [mailto:Wang dot Alvin at iac dot com dot tw]
Sent: 17 April 2003 05:11
To: ecos-discuss at sources dot redhat dot com
Subject: [ECOS] FW: Questions about dsr?

Hi to all,

I have some questions about DSR as followingˇK

1.Can DSR waits on semphore?
2.If one DSR is blocked, can kernel switch to another DSR?

Thank you for answering these question.

Alvin Wang

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