Posix semaphore between different processes

[Ulrich Drepper]

"H . J . Lu" <hjl@valinux.com> writes:

> Are you suggesting we implement POSIX semaphore in kernel, including
> the inter-thread one?

The current mutex implementation sucks.  We need some kind of
mutex/semaphore support in the kernel anyway and this would be used
for all uses.  The Solaris guys did lots of research and can up with
the same conclusion.

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