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| -rw-r--r-- | man2/reboot.2 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/man2/reboot.2 b/man2/reboot.2 index e307b1f2bc..ae0b7780fd 100644 --- a/man2/reboot.2 +++ b/man2/reboot.2 @@ -162,6 +162,26 @@ 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 |