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: have been adopted:
* `SIGHUP` * `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` * `SIGUSR1`
Calls shutdown hooks, including HOOK_SHUTDOWN, stops all running Calls shutdown hooks, including `HOOK_SHUTDOWN`, stopping all running
processes, and unmounts all file systems. Then tells kernel to processes, and unmounts all file systems. Then tells kernel to halt.
halt. Most people these days want SIGUSR2 though. Most people these days want `SIGUSR2` though.
SysV init and systemd use this to re-open their FIFO/D-Bus. SysV init and systemd use this to re-open their FIFO/D-Bus.
* `SIGUSR2` * `SIGUSR2`