Dear Genodians, I just stumbled across a not so obvious characteristic of the with_libc lambda. Not so obvious to me, at least. If I run following code snipped, it will result in a "Error: Uncaught exception of type 'Genode::Exception'":
```
try {
Libc::with_libc([&] () {
throw Genode::Exception();
});
} catch (...) {
Genode::log("caught libc exception");
}
```
I didn't find any documentation regarding the with_libc lambda in combination
with exceptions.
Is this expected behavior?
What would be the right pattern to forward the exception to a pure Genode
environment e.g. across RPC boundaries?
I could think of following pattern:
```
bool libc_exception_thrown = false;
Libc::with_libc([&] () {
try {
throw Genode::Exception();
} catch (...) {
Genode::log("caught libc exception");
libc_exception_thrown = true;
}
});
if (libc_exception_thrown) {
throw My_rpc_exception();
}
```
However, it does not look like the most elegant solution...
Cheers,
Sid
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