Jan Kiszka wrote:
> Hi Gilles,
> this one requires some fixing too:
> xeno_sem_heap is marked weak. xeno_init_sem_heaps is called once per
> initialized skin. It unmaps any existing heap and creates a new one.
> That's already fragile during constructor run, but it's lethal during
> process runtime, ie. when using dlopen.
> I think the solution is to handle forks separately and only remap in
> that case. Digging in this direction now.
> BTW, what triggers the re-run of xeno_init_sem_heaps after a fork so far?
It must be done for the child process to get a private heap different
from the parent process. I would guess it is handled by pthread_atfork.
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