3b9bf0eb0e rpc: Allow shutdown while in generateblocks (Patrick Strateman)
Pull request description:
By checking the shutdown flag every loop we can use the entire 32 bit nonce space instead of breaking every 16 bits to check the flag.
This is possible now because the shutdown flag is an atomic where before it was controlled by a condition variable and lock.
ACKs for top commit:
kallewoof:
Re-ACK 3b9bf0e
Tree-SHA512: d0664201a55215130c2e9199a31fb81361daf4102a65cb3418984fd61cb98bfb9136d9ee8d23a85d57e50051f9bb0059bd71fe0488a17f63c38ea5caa6004504