signals.md: Clarify and update slightly

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Joachim Nilsson committed 2017-10-14 16:22:45 +02:00
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@@ -7,11 +7,12 @@ compatibility with the existing BusyBox toolset the following signals
have been adopted:
* `SIGHUP`
Same effect as `finit q`, reloads all *.conf files in `/etc/finit.d/`
Same effect as `finit q`, `init q`, or `initctl reload`, reloads all
*.conf files in `/etc/finit.d/`
* `SIGUSR1`
Calls shutdown hooks, including HOOK_SHUTDOWN, stops all running
processes, and unmounts all file systems. Then tells kernel to
halt. Most people these days want SIGUSR2 though.
Calls shutdown hooks, including `HOOK_SHUTDOWN`, stopping all running
processes, and unmounts all file systems. Then tells kernel to halt.
Most people these days want `SIGUSR2` though.
SysV init and systemd use this to re-open their FIFO/D-Bus.
* `SIGUSR2`