Li,
Regarding your commit 923c7538236564c46ee80c253a416705321f13e3 , I
plan to apply the following patch to the reboot(2) manual page. Does
it look okay to you?
Thanks,
Michael
diff --git a/man2/reboot.2 b/man2/reboot.2
index 8347870..1c17b85 100644
--- a/man2/reboot.2
+++ b/man2/reboot.2
@@ -24,7 +24,7 @@
.\" Modified, 27 May 2004, Michael Kerrisk <mtk.manpages@xxxxxxxxx>
.\" Added notes on capability requirements
.\"
-.TH REBOOT 2 2010-10-31 "Linux" "Linux Programmer's Manual"
+.TH REBOOT 2 2013-03-12 "Linux" "Linux Programmer's Manual"
.SH NAME
reboot \- reboot or enable/disable Ctrl-Alt-Del
.SH SYNOPSIS
@@ -147,6 +147,26 @@ For the i386 architecture, the additional
argument does not do
anything at present (2.1.122), but the type of reboot can be
determined by kernel command-line arguments ("reboot=...") to be
either warm or cold, and either hard or through the BIOS.
+.SS Behavior inside PID namespaces
+.\" commit commit 923c7538236564c46ee80c253a416705321f13e3
+Since Linux 3.9, when
+.BR reboot ()
+is called from a PID namespace (see
+.BR pid_namespaces (7))
+other than the initial PID namespace,
+the effect of the call is to send a signal to the namespace "init" process.
+.BR LINUX_REBOOT_CMD_RESTART
+and
+.BR LINUX_REBOOT_CMD_RESTART2
+cause a
+.BR SIGHUP
+signal to be sent.
+.BR LINUX_REBOOT_CMD_POWER_OFF
+and
+.BR LINUX_REBOOT_CMD_HALT
+cause a
+.B SIGINT
+signal to be sent.
.SH RETURN VALUE
For the values of
.I cmd
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