TRY_LOCK was not declared in this scope WITH_LOCK was not declared in this scope

[ScruffR]

Really?

Long Term Photon Connection Stability

The factory default firmware on the electron doesn’t support multthreading - this is coming in 0.5.0.

Еlectron happen to stop working by itself

Yes, we didn’t get chance to fix threading support before release. It turned out that libc_nano didn’t provide a thread-safe malloc/free implementation and the system thread stack needed to be larger to handle the DTLS handshake. It will be available in 0.5.0

Or are you building with a local toolchain?