Surely that should have worked out. Still there is another way, you can initialize a semaphore and sleep on the semaphore. Once the thread has recieved the network packet it would post the semaphore. Thanks, Sumit ----- Original Message ----- From: David Stroupe <dstroupe@keyed-upsoftware.com> Date: Thursday, March 7, 2002 0:58 am Subject: Re: Sleeping in block device driver > Pooja Gupta wrote: > > >Hi there... > > I am writing a network block device driver. In the > >request function, when I get a READ command, I have to > >send a message to a remote machine and get the data > >from there. This takes considerable time duration. > >So, I need to make that device driver sleep. The > >reception of data is done in another thread. > > I have tried different ways, all in vain. I tried > >wait_event_interruptible(...) followed by condition > >set and wake_up(...) when I want to wake up. > > > Why didn't this work? Set your condition and do your wake_up from > whereever you determine that all the information has been read. I > have > a driver that does this waiting for an irq to happen. So my > 'read' > blocks until the irq handler runs, sets the condition then wakes > up the > queue. > > -- > Best regards, > David Stroupe > Keyed-Up Software > > > -- > Kernelnewbies: Help each other learn about the Linux kernel. > Archive: http://mail.nl.linux.org/kernelnewbies/ > FAQ: http://kernelnewbies.org/faq/ > >
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