Fri Feb 4 08:06:00 GMT 2000
On Fri, 4 Feb 2000, M Dipperstein wrote:
> There have been several postings to the list which discuss pthreads and
> the lack of "thread safety" in cygwin. I was hoping somebody would
> clarify the statement that cygwin is not thread safe.
Cygwin is thread-safe by default as of 2000-01-05 or so snapshot (or
perhaps even a bit earlier). Last year, you had to build it yourself
to get the thread-safe code. It's still being worked on, so there are
bound to be problems, but seems to work ok.
> I'm developing a thread package from the QuickThreads primitives. The
> final target is not cygwin, but it's a great tool for development along
> the way. So far, there seem to be no problems using the QuickThreads
> primitives in code compiled with gcc under cygwin.
As long as it's not C++ using exception handling you should be fine. Until
we enhance the Cygwin's pthread interface, the C++ runtime is still single
> Are the only concerns regarding thread safety related to non-reentrant code
> in the cygwin libraries? If that's the only problem, I think I don't have
> to worry. The thread package I'll be working with is cooperative, and
> will not allow for library routines to be reentered before they have
Try it out and see what happens. We can try and fix the problems, but need
to know what those are first.
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