locking in a device driver
Scott Long
scottl at samsco.org
Tue Nov 1 08:04:19 PST 2005
Dinesh Nair wrote:
>
>
> On 10/28/05 16:40 Dinesh Nair said the following:
>
>>
>>
>> On 10/28/05 10:52 M. Warner Losh said the following:
>>
>>> libc_r will block all other threads in the application while an ioctl
>>> executes. libpthread and libthr won't. I've had several bugs at work
>>
>>
>>
>> which is a Good Thing(tm) indeed for me on 4.x.
>
>
> which may not be a Good Thing(tm) after all. this could be causing the
> problem i'm seeing with the driver on 4.x. any methods to get around
> this, short of not using threads ?
>
I think this thread has gone too far into hyperbole and conjecture.
What is your code trying to do, and what problems are you seeing?
Scott
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