Re: Is there spinlocks/semaphores available for drivers?

[Warner Losh]

In message <[EMAIL PROTECTED]> Matthew Dillon writes:
:     complex.  For example, using fixed-length FIFOs rather then linked lists.
:     The writer manipulates the write index variable, the reader manipulates
:     the read index variable.  No locking is required between reader and 
:     writer.

What about wrap around?

Warner


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