https://github.com/cemkeylan/shinit

Basic Init Daemon in POSIX sh
https://github.com/cemkeylan/shinit

daemon init posix-sh poweroff reboot shell signal

Last synced: 3 months ago
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Basic Init Daemon in POSIX sh

• Host: GitHub
• URL: https://github.com/cemkeylan/shinit
• Owner: cemkeylan
• License: mit
• Created: 2020-03-24T10:39:46.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2020-07-17T12:02:57.000Z (almost 4 years ago)
• Last Synced: 2024-01-08T04:21:12.608Z (6 months ago)
• Topics: daemon, init, posix-sh, poweroff, reboot, shell, signal
• Language: Shell
• Homepage:
• Size: 7.81 KB
• Stars: 20
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Lists

• awesome-kiss - shinit - Basic init daemon in POSIX sh with only 5 lines of code. (Software)

README

        
shinit

======

Basic init daemon in POSIX sh with only 5 lines of code. It supports acting upon

signals.

On USR1 signal it will poweroff, and on INT signal it will reboot.

Installing

----------

Before installing, edit the second command to use your boot/poweroff script. If

you are using Carbs Linux or KISS, you don't need to change it.

You can then install with `make`.

    make install

Note on halting the system

--------------------------

shinit does **NOT** deal with system halting. You will need an extra utility for

that given purpose. `ubase halt` deals with this. You can also use compile

this really simple C program that tells to kernel to shutdown or reboot.

``` c

#include 

int

main(int argc, char *argv[])

{

    switch ((int) argv[argc < 2 ? 0 : 1][0]) {

    case 'p': reboot(RB_POWER_OFF); break;

    case 'r': reboot(RB_AUTOBOOT);  break;

    default: return 1;

    }

    return 0;

}

```

You can compile the following program to something named `halt` or whatever you

like. If you call `halt p` it will power off, if you call `halt r` it will

reboot. Just note that this needs to be at the end of your init script, because

this command will shut your computer down straight away. You can do the

following check at the end of your init script:

``` sh

case "$1" in

    poweroff) halt p ;;

    reboot)   halt r ;;

esac

```