[Bug libfortran/35063] [Regression wrt g77] I/O leaks handles/memory on Windows XP

[brian at dessent dot net]

------- Comment #20 from brian at dessent dot net  2008-02-07 21:17 -------
Subject: Re:  I/O leaks handles/memory on Windows XP


> 1) __gthr_win32_mutex_init_function()
>    - sets counter=-1
>    - creates a semaphore (the windows handle!)
> 
> 2)__gthr_win32_mutex_lock()
>     - increments counter (now 0)
> 
> 3) __gthr_win32_mutex_unlock()
>    - decrements counter (now -1 again)
>    - would release the semaphore, if counter >= 0 but doesn't...!

This gthr-win32 stuff should only be run if --enable-threads=win32. 
That is not the case with Cygwin which should be using pthreads
(--enable-threads=posix).  So if the above is really at fault then the
leak should not manifest on Cygwin at all.

Brian


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35063