1:N threading

Daniel Eischen eischen at pcnet1.pcnet.com
Thu Apr 3 12:56:58 PST 2003


On Thu, 3 Apr 2003, Geoffrey C. Speicher wrote:

> OK, so we've got 1:N threading (libc_r), 1:1 threading (thr), and M:N
> threading (KSE).  Each model has its own merit depending on the
> application.
> 
> However, it would still be nice if the 1:N model didn't block the whole
> process when a thread blocks.  Is there any reason to hold onto a pure
                              ^ in the kernel.

> userland implementation of 1:N?  Can libc_r be implemented in terms of
> KSE?

Libc_r will go bye-bye.  The KSE library will give you 1:N
as long as you don't use pthread_setconcurrency() and don't
create any PTHREAD_SCOPE_PROCESS threads.

-- 
Dan Eischen



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