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diff --git a/doc/s6-linux-init-hpr.html b/doc/s6-linux-init-hpr.html new file mode 100644 index 0000000..304ed35 --- /dev/null +++ b/doc/s6-linux-init-hpr.html @@ -0,0 +1,87 @@ +<html> + <head> + <meta name="viewport" content="width=device-width, initial-scale=1.0" /> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>s6-linux-init: the s6-linux-init-hpr program</title> + <meta name="Description" content="s6-linux-init: the s6-linux-init-hpr program" /> + <meta name="Keywords" content="s6 linux init administration root utilities shutdown halt poweroff reboot s6-linux-init-hpr" /> + <!-- <link rel="stylesheet" type="text/css" href="//skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">s6-linux-init</a><br /> +<a href="//skarnet.org/software/">Software</a><br /> +<a href="//skarnet.org/">skarnet.org</a> +</p> + +<h1> The <tt>s6-linux-init-hpr</tt> program </h1> +</h1> + +<p> + <tt>s6-linux-init-hpr</tt> triggers the software shutdown procedure, +or, with the <tt>-f</tt> option, it perform an immediate hardware shutdown. +It is normally invoked as <tt>/sbin/halt</tt>, <tt>/sbin/poweroff</tt> or +<tt>/sbin/reboot</tt>. +</p> + +<h2> Interface </h2> + +<pre> + s6-linux-init-hpr [ -f ] [ -h | -p | -r ] [ -d | -w ] [ -W ] +</pre> + +<ul> + <li> If the <tt>-f</tt> option is present, the hardware command is executed immediately. </li> + <li> Else, the machine's shutdown procedure is started. + <li> The command exits 0; the shutdown procedure happens asynchronously. </li> +</ul> + +<p> + This interface is the traditional <em>sysvinit</em> interface for the +<tt>halt</tt>, <tt>poweroff</tt> and <tt>reboot</tt> programs. +<tt>s6-linux-init-hpr</tt> must always be called with one of the +<tt>-h</tt>, <tt>-p</tt> or <tt>-r</tt> options. +</p> + +<h2> Exit codes </h2> + +<ul> + <li> 0: shutdown procedure triggered. </li> + <li> 100: wrong usage, or user does not have root privileges. </li> + <li> 111: system call failed. </li> +</ul> + +<h2> Options </h2> + +<ul> + <li> <tt>-f</tt> : force. The command will not trigger a clean shutdown +procedure; it will just sync the filesystems then tell the kernel to immediately +halt, poweroff or reboot. This should be the last step in the lifetime of the +machine. </li> + <li> <tt>-h</tt> : halt. The system will be shut down, but the power will remain up. </li> + <li> <tt>-p</tt> : poweroff. The system will be shut down and the power turned off. </li> + <li> <tt>-r</tt> : reboot. The system will reboot. </li> + <li> <tt>-d</tt> : Do not write a wtmp shutdown entry. </li> + <li> <tt>-w</tt> : Only write a wtmp shutdown entry; do not actually shut down +the system. </li> + <li> <tt>-W</tt> : Do not send a <tt>wall</tt> message to users before shutting +down the system. Some other implementations of the <tt>halt</tt>, <tt>poweroff</tt> +and <tt>reboot</tt> commands use the <tt>--no-wall</tt> long option to achieve this. </li> +</ul> + +<h2> Notes </h2> + +<ul> + <li> When an administrator runs +<a href="s6-linux-init-maker.html">s6-linux-init-maker</a>, the resulting +directory has a <tt>bin/</tt> subdirectory that contains <tt>halt</tt>, +<tt>poweroff</tt> and <tt>reboot</tt> scripts that call <tt>s6-linux-init-hpr</tt> +with the relevant option. The +contents of this <tt>bin/</tt> subdirectory should then be copied by the +administrator into <tt>/sbin</tt> for full interface compatibility with sysvinit. </li> +</ul> + +</body> +</html> |