Hi Denis,
> Signal_handler<Main> sigh = {env.ep(), *this, &Main::_handle_fault};
The line above, creates the Signal_handler on the stack and destructs
this handler as soon as the 'Main' constructor is finished.
Therefore, 'sigh' should be a member of the 'Main' class.
Regards,
Sebastian
On 08/30/2016 02:10 PM, Denis Huber wrote:
> Dear Genode community,
>
> in Genode 16.05 the old usage of Signal_receivers and Signal_contexts is
> considered deprecated. Instead Signal_handler and Signal_transmitter
> shall be used.
>
> I am trying to use a Signal_handler as a fault handler for env's address
> space. I wrote a short test to illustrate the problem [1].
>
> [1]
> https://github.com/702nADOS/genode-CheckpointRestore-SharedMemory/blob/c9a5a1f999a2ce1c6ffd5c316eee127c93d87308/src/test/fault_handler/main.cc
>
> The output of [1] is as follows:
> "
> [init -> pf-signal_handler] --- pf-signal_handler started ---
> no RM attachment (WRITE pf_addr=1000 pf_ip=100061c from 2ae000)
> Genode::Pager_entrypoint::entry()::<lambda(Genode::Pager_object*)>:
> Could not resolve pf=1000 ip=100061c
> "
>
> The signal handler was registered correctly, because the line
> "
> Genode::Core_pd_session_component::submit(Genode::Capability<Genode::Signal_context>,
>
> unsigned int)::<lambda(Genode::Signal_context_component*)>: invalid
> signal-context capability
> "
> is missing. However, the method _handle_fault() is never entered. What
> am I doing wrong?
>
>
> Kind regards,
> Denis
>
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