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Clarify UMS threads 

fix #32
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Peter Atashian 2016-08-31 11:11:54 -04:00 committed by edef
parent a733290359
commit 28c12a5ec5
1 changed files with 5 additions and 2 deletions
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@ -199,12 +199,15 @@ unacceptable.
[TIB]: https://en.wikipedia.org/wiki/Win32_Thread_Information_Block
[tibfail]: https://svn.boost.org/trac/boost/ticket/8544
The only supported way to implement user-mode context switching on Windows is to use [fibers][].
The only supported way to implement user-mode context switching on Windows is [fibers][].
There are no reasons the safe abstractions provided by libfringe could not be implemented on top
of that; it is simply not yet done. This should be straightforward and an implementation is
welcome.
welcome. Note that while [UMS threads][] are capable of providing user-mode context switching,
they involve managing scheduler threads to run UMS threads on, which is incompatible with
libfringe's design.
[fibers]: https://msdn.microsoft.com/en-us/library/windows/desktop/ms682661(v=vs.85).aspx
[UMS threads]: https://msdn.microsoft.com/en-us/library/windows/desktop/dd627187(v=vs.85).aspx
## License