init.git - Pygos init daemon

Age	Commit message (Collapse)	Author
2020-05-14	Replace standard signal handling in initd with signalfd + epoll	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-14	Move handling of dead children back to SIGCHLD handler	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-13	Cleanup: Remove SIGCHLD handler from initd	David Oberhollenzer
	Instead use wait() in the main loop. This way, the supervisor functions (except set target) are no longer called from signal context and can be simplified a little. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-13	Add utility functions for clearing/setting signal mask	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-13	Fix runsvc waiting behaviour if run as subreaper	David Oberhollenzer
	It basically needs to wait for ALL children (even those created by child processes) to terminate before terminating itself. This commit replaces the waitpid loop with a regular wait that and adds another wait loop at the end of run_sequentially to wait for any transitive children. The sigchld handling is removed from the signal handler and the handler is only installed for SIGINT, SIGTERM and SIGHUP. The other signals that initd hooks are set to default. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-09	Install a propper signal handler in runsvc	David Oberhollenzer
	If runsvc is installed as sub reaper, it must handle SIGCHLD or the system will accumulate zombie processes. Also, forward all other signal to the currently supervised child process and hope that if it is SIGTERM, the child itself knows how to shut down any other processes it created. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-08	Implement a "subreaper" service flag	David Oberhollenzer
	For particularly hostile daemons. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-05-06	Do not close stdin/out/err file descriptors in runsvc	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-04-24	Add a fallback for close_all_files if procfs isn't mounted	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-04-24	cleanup: merge runsvc back into initd	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2020-03-31	cleanup: initd: simplify and merge linux specific code into main.c	David Oberhollenzer
	Targetting anything else than Linux isn't really relevant. All other systems ($BSD and other Unices) are a closed ecosystem where kernel & userspace are developed together. They don't need something like a third party init system, so compatibillity can be largely ignored. Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2018-11-23	Relicense what is left of the init system under OpenBSD style ISC license	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-08-24	initd: restructure and merge service supervision code	David Oberhollenzer
	Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>
2018-04-22	Add helper program for running services	David Oberhollenzer
	We no longer need to keep entire scripts in init program (i.e. saving space) and reduce the code and complexity of the init program. The runsvc tool can later be extended to do more complex child setup, such as configuring namespaces or seccomp without adding complexity or memory footprint to init. Signed-off-by: David Oberhollenzer <david.oberhollenzer@tele2.at>