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authorJeremy Fitzhardinge <jeremy@xensource.com>2007-07-18 05:37:02 +0400
committerJeremy Fitzhardinge <jeremy@goop.org>2007-07-18 19:47:40 +0400
commit10a0a8d4e3f6bf2d077f94344441909abe670f5a (patch)
treeb834c912629498e9fefb5958ee9965c414d32d69 /include/linux/reboot.h
parent0ab4dc92278a0f3816e486d6350c6652a72e06c8 (diff)
downloadlinux-10a0a8d4e3f6bf2d077f94344441909abe670f5a.tar.xz
Add common orderly_poweroff()
Various pieces of code around the kernel want to be able to trigger an orderly poweroff. This pulls them together into a single implementation. By default the poweroff command is /sbin/poweroff, but it can be set via sysctl: kernel/poweroff_cmd. This is split at whitespace, so it can include command-line arguments. This patch replaces four other instances of invoking either "poweroff" or "shutdown -h now": two sbus drivers, and acpi thermal management. sparc64 has its own "powerd"; still need to determine whether it should be replaced by orderly_poweroff(). Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Acked-by: Len Brown <lenb@kernel.org> Signed-off-by: Chris Wright <chrisw@sous-sol.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Andi Kleen <ak@suse.de> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Arnd Bergmann <arnd@arndb.de> Cc: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/reboot.h')
-rw-r--r--include/linux/reboot.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index 1dd1c707311f..85ea63f462af 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -67,6 +67,11 @@ extern void kernel_power_off(void);
void ctrl_alt_del(void);
+#define POWEROFF_CMD_PATH_LEN 256
+extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN];
+
+extern int orderly_poweroff(bool force);
+
/*
* Emergency restart, callable from an interrupt handler.
*/