On Sep 17, 2011, at 7:32 AM, Matthew Flatt wrote:
> It looks like the call in C might have been in a thread other than the
> thread where Racket was started. In that case, when scheme_post_sema()
> tries to cooperate with the GC, then it would end up with a NULL
> pointer for the Racket GC inform
It looks like the call in C might have been in a thread other than the
thread where Racket was started. In that case, when scheme_post_sema()
tries to cooperate with the GC, then it would end up with a NULL
pointer for the Racket GC information of the current thread.
In particular, since you're as
I'm unable to pass a semaphore to C and post to it from there. In particular,
it causes a seg fault. I'm testing the Scheme_Object * with SCHEME_SEMAP, so
I'm pretty sure it's a semaphore. Also, I can see this happen in gdb, but the
code is optimized, so it's hard to see exactly where it's faili
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