Am Freitag, 16. Februar 2007 09:41 schrieb Samuel Ortiz:
> One stupid question: Suppose we're in iowarrior_read(), got a pointer on
> private_data, but haven't taken the mutex yet. iowarrior_release() is
> called, locks the mutex, decrements the opened counter to 0, and then
> call iowarrior_delete(). iowarrior_read() resumes, and tries to grab
> dev->mutex, but at that point dev is NULL, and we oops. How is that case
> handled ?
How do you close a file you are reading from? In a threaded task
you can call close and read simultaneously, but the release method
is called only when the last thread closes the fd.
Regards
Oliver
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