Hi Nobody III,
On 07/24/2016 02:47 AM, Nobody III wrote:
RPC functions often throw exceptions. What exactly happens when these exceptions are thrown? Most importantly, what happens on the server side? Does the RPC call just end as soon as the error is thrown, allowing the server and the session to continue normally?
As long as the exceptions are declared within the RPC description, like for instance this one:
GENODE_RPC_THROW(Rpc_create, Capability<Region_map>, create, GENODE_TYPE_LIST(Out_of_metadata), size_t);
those kind of exceptions are caught in the server loop, and the server will immediately reply with an appropriated error code, which is detected on the client side and again reconverted into a C++ exception. So yes: "the RPC call just end as soon as the error is thrown, allowing the server and the session to continue normally" as long as it is an exception expected by the RPC interface.
Regards Stefan
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