Initialize the logger as soon as possible and log by default to stderr. With this, some (common?) errors are printed early instead of ending up in syslog. # NB: this is in configless mode % ./gmid -p 80 [2021-07-07 11:05:57] bind: Address already in use % ./gmid -p 81 [2021-07-07 11:13:53] bind: Permission denied %

leftover from the handle_imsg_log -> do_log transition.

the logger process now can receive a file descriptor to write logs to. At the moment the logic is simple, if it receives a file it logs there, otherwise it logs to syslog. This will allow to log on custom log files.

With -f, when the main process exits after a fatal() (usually) the shell prompt is printed before the logger message. This adds a small poll to wait for the logger process to exit.

found by Anna, thanks!

while there, add capsicum for the logger process

use imsg to handle ALL kinds of IPC in gmid. This simplifies and shorten the code, and makes everything more uniform too.

obviously msg[datalen] is an off-by-one