global: Fix spelling mistakes in comments Original work by @andreasschulze and @jsoref

master: Improve killing processes when they don't die after reload The old behavior was: 1. Send SIGTERM to all processes, except log 2. Send SIGTERM to all processes, including log 3. Send SIGKILL to all processes, including log The new behavior is now: 1. Send SIGTERM to all processes, except log 2. Send SIGKILL to all processes, except log Only after there aren't any processes left except log, send SIGTERM to it. If that doesn't work, send SIGKILL.

doveadm service status: Add doveadm_stop field This indicates whether "doveadm service stop" was used for the service.

master: Allow stopping specific services via master socket.

master: Added support for stopping specific services. We need to have a per-service fd for detecting a dead master.

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

master: Added reuse_port setting to inet_listeners, which enables SO_REUSEPORT if available. After forking a new service process, a new listener socket is created for each such inet_listener. Linux v3.9+ added SO_REUSEPORT feature, which should distribute clients more uniformly to the processes. I'm not sure if this makes any difference in BSDs. At least in Linux v3.9 there was still a bug that if the number of listening processes changed, some TCP handshakes might not finish. I don't see if this has already been fixed, so this is probably safe to use only for services whose process count doesn't change (e.g. process_min_avail is set high enough).

master: Pre-fork processes only while master doesn't have more important things to do.

Renamed network.[ch] to net.[ch]. The function prefixes already started with net_ instead of network_. And icecap wants to use network.h for other purpose. :)

Reverted "support for non-pointers" part of the hash table API changes. Originally I wrote it using clang, which didn't give as many warnings as gcc did. I guess this way is safer anyway..

Array API changed: ARRAY_DEFINE(name, type) -> ARRAY(type) name Easy way to update your existing code: perl -i -pe 's:ARRAY_DEFINE\(([^,]+), *([^)]+)\);:ARRAY($2) $1;:' **/*.[ch]

Hash table API is now (mostly) type safe.

master: Throttle rapid exit failures only if there have never been any exit successes. This should still catch buggy services without allowing intentional DoSing.

master: Make service throttling seconds incremental, starting from 2 secs.

master: If 10 service processes die within a second with no successes inbetween, throttle the service.

Listener names are now in struct master_service_connection.name This allows service to use the names to figure out what type the listener is.

master: Wait for services to stop listening before unlinking the pid file.

master: When process_limit fills up, wait 10s before closing pending connections. It might have only been a temporary burst that gets resolved quickly enough.

master: Use per-services_list "master is dead" fd, so services know when config is reload.

Added import_environment setting. This also cleans up different places in code where TZ and other environments are preserved. If it's not in the import_environment setting, it's not preserved.

master: Added service type=startup for starting one service process at startup.

Added support for per-service idle kill timeout. Director and anvil services are by default never killed. This also fixes the errors about idling director process not dying. --HG-- branch : HEAD

anvil: After master gets a SIGHUP, start logging via new log process. --HG-- branch : HEAD

Added "size" setting type, which supports B/k/M/G/T suffixes. --HG-- branch : HEAD

master: anvil process now stays alive across SIGHUPs. --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

master: Added back "listen" setting, which is the default address for inet_listeners. --HG-- branch : HEAD

master: Added default_vsz_limit setting, which defaults to 256 MB. --HG-- branch : HEAD

master: If anvil isn't used, read and discard all anvil input coming from mail processes. --HG-- branch : HEAD

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

dovecot -p (ask ssl key password from command line) works again. --HG-- branch : HEAD

master: Minor cleanups. --HG-- branch : HEAD

master: Several fixes to handling SIGHUPs. --HG-- branch : HEAD

master: Fixes to checks using service's client_limit. --HG-- branch : HEAD

master: Support reloading configuration. --HG-- branch : HEAD

master: If time moves backwards, delay launching new 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

Require each service to have a unique name. Log service errors using service_error(). --HG-- branch : HEAD

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