sinit.8 - sinit - suckless init
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sinit.8 (1387B)
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1 .Dd December 4, 2014
2 .Dt SINIT 8 sinit\-VERSION
3 .Os
4 .Sh NAME
5 .Nm sinit
6 .Nd simple init
7 .Sh DESCRIPTION
8 .Nm
9 is a simple init. It is configured by modifying
10 .Dq config.h
11 and recompiling the code.
12 .Ss Init sequence
13 By default
14 .Nm
15 will execute
16 .Dq /bin/rc.init .
17 You can chain your init scripts together at that point to allow for
18 single-user and multi-user operation.
19 .Ss Signal handling
20 .Nm
21 will respond to the following signals:
22 .Bl -tag -width xxxxxxxx
23 .It USR1
24 Default action is to initiate the shutdown sequence by
25 executing
26 .Dq /bin/rc.shutdown poweroff .
27 .It INT
28 Default action is to initiate the reboot sequence by
29 executing
30 .Dq /bin/rc.shutdown reboot .
31 .It CHLD
32 Reap children.
33 .El
34 .Ss General considerations
35 Running the
36 .Dq rc.shutdown
37 script directly is not recommended. If any
38 process in your session has stale filesystem references then it is
39 likely your init scripts will fail to unmount the filesystem cleanly.
40 It is recommended to signal
41 .Nm
42 via a wrapper script.
43 .Pp
44 .Nm
45 does not clear utmp records. The version of
46 .Xr getty 8
47 in ubase clears the utmp entries on the specified tty before it
48 spawns the given program, usually
49 .Xr login 1 .
50 .Pp
51 .Nm
52 does not restart
53 .Xr getty 8
54 or interact with it in any way. You will need an external
55 respawning mechanism to restart it.
56 .Sh SEE ALSO
57 .Xr getty 8 ,
58 .Xr killall5 8
59 .Sh AUTHORS
60 .An Dimitris Papastamos Aq Mt sin@2f30.org .