global: unsigned int:1 -> bool:1 perl -i -pe 's/unsigned int ([^,:;]+):1;/bool $1:1;/' **/*.[ch]

Make sure we check all the functions' return values. Minor API changes to simplify this. Checked using a patched clang that adds attribute(warn_unused_result) to all functions. This commit fixes several error handling mistakes.

master: If an idling process seems stuck, log an error and disable it. --HG-- branch : HEAD

Redesigned how login process passes connections to mail processes and changed related APIs. Master process is no longer in the middle. --HG-- branch : HEAD

master: Keep service's processes in an easily accessible linked list. --HG-- branch : HEAD

*-login: Fixed dropping oldest connection when reaching all limits. --HG-- branch : HEAD

master: Kill extra idling processes. --HG-- branch : HEAD

Implemented anvil service, which is used to implement mail_max_userip_connections. --HG-- branch : HEAD

master: Fixes to handling logging. Master now has a non-blocking write pipe to log process, so it no longer blocks if log process is hanging. Also it's cleaner to send log commands via a pipe specifically meant for them. --HG-- branch : HEAD

master: Fixed logging process related bugs. --HG-- branch : HEAD

Initial commit for v2.0 master rewrite. Several features are still missing. --HG-- branch : HEAD