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RE: pthreads w/ cygwin32
- To: zow at mdbs dot com
- Subject: RE: pthreads w/ cygwin32
- From: dahms at ifk20 dot mach dot uni-karlsruhe dot de
- Date: Thu, 26 Feb 1998 04:18:41 EST
- CC: gnu-win32 at cygnus dot com, dahms at ifk20 dot mach dot uni-karlsruhe dot de
Hi Terry, you wrote:
: Something to watch out for is that NT's threads are kernel level threads.
: In most applications, this shouldn't make a difference, but there is the
: possibility that it could, particularly in how they are scheduled, and the
: fact that kernel threads are more expensive than user threads. If you have
: a processor intensive program, like simulation software, this could be a
: critical issue. At the moment, one of my projects is porting a user level
: threading library (similar to the Pthreads package) from UNIX to NT. One of
: the issues I'm going to look at is implementation both inside vs. on top of
: kernel threads. I have not made much progress yet, but when I do, I would
: be happy to send my results to you.
Did you look at appendix A of Jeffrey Richter's Advanced Windows NT (3.ed.)
about Fibers? They are user mode, added for easier porting from Unix to NT.
Bye, Heribert (dahms@ifk20.mach.uni-karlsruhe.de)
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