sys.c File Reference

Functions
static void	machine_power_off (void)
	Powers off the machine.
static void	kernel_power_off (void)
	Shutdown everything and perform a clean system power_off.
int	sys_reboot (int magic1, int magic2, unsigned int cmd, void *arg)
	Reboots the system, or enables/disables the reboot keystroke. More...

Detailed Description

Copyright

(c) 2014-2024 This file is distributed under the MIT License. See LICENSE.md for details.

Function Documentation

sys_reboot()

int sys_reboot	(	int	magic1,
		int	magic2,
		unsigned int	cmd,
		void *	arg
	)

Reboots the system, or enables/disables the reboot keystroke.

Parameters

magic1	fails (with the error EINVAL) unless equals LINUX_REBOOT_MAGIC1.
magic2	fails (with the error EINVAL) unless equals LINUX_REBOOT_MAGIC2.
cmd	The command to send to the reboot.
arg	Argument passed with some specific commands.

Returns

For the values of cmd that stop or restart the system, a successful call to reboot() does not return. For the other cmd values, zero is returned on success. In all cases, -1 is returned on failure, and errno is set appropriately.