Messages in this thread | | | Date | Thu, 14 Apr 2005 16:17:34 +0900 | From | tsuchiya yoshihiro <> | Subject | Re: SLEEP_ON_BKLCHECK |
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Arjan van de Ven wrote:
>On Thu, 2005-04-14 at 09:42 +0900, tsuchiya yoshihiro wrote: > > >>Hi, >>In Fedora Core3, interruptible_sleep_on() checks if the system is >>lock_kernel()'ed >>by SLEEP_ON_BKLCHECK. Same thing is done in RedHatEL4. >>Also I found a patch including SLEEP_ON_BKLCHECK was posted before, >>but is not included in 2.6.11. >>Why SLEEP_ON_BKLCHECK checks lock_kernel ? >> >> > >Because you really need to hold the BKL when you call sleep_on() family >of APIs, otherwise you have a very big race. > >Also note that you in your code really should not call any of the >sleep_on() family of functions at all! It is a very very deprecated and >defective API!!!! > > > Oh, I did not know that. What do you use instead? I found wait_event. Is that what you use?
Actually, I am porting my friend's code that runs on 2.4.X to 2.6. How is sleep_on in 2.4? You should not use sleep_on in 2.4 also?
Thank you, Yoshi Tsuchiya
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