shutdown.c

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/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS kernel
 * FILE:            ntoskrnl/ex/shutdown.c
 * PURPOSE:         Power management
 *
 * PROGRAMMERS:     David Welch (welch@cwcom.net)
 */
 
/* INCLUDES *****************************************************************/
 
#include <ntoskrnl.h>
 
#define NDEBUG
#include <debug.h>
 
/* PRIVATE FUNCTIONS *********************************************************/
 
VOID
NTAPI
ExShutdownSystem(VOID)
{
    /* Dereference the hard-error port and process objects */
    if (ExpDefaultErrorPort)
    {
        ObDereferenceObject(ExpDefaultErrorPort);
        ExpDefaultErrorPort = NULL;
    }
    if (ExpDefaultErrorPortProcess)
    {
        ObDereferenceObject(ExpDefaultErrorPortProcess);
        ExpDefaultErrorPortProcess = NULL;
    }
}
 
/* FUNCTIONS *****************************************************************/
 
/*
 * @implemented
 */
NTSTATUS
NTAPI
NtShutdownSystem(IN SHUTDOWN_ACTION Action)
{
    POWER_ACTION PowerAction;
 
    /* Convert to power action */
    if (Action == ShutdownNoReboot)
    {
        PowerAction = PowerActionShutdown;
    }
    else if (Action == ShutdownReboot)
    {
        PowerAction = PowerActionShutdownReset;
    }
    else if (Action == ShutdownPowerOff)
    {
        PowerAction = PowerActionShutdownOff;
    }
    else
    {
        return STATUS_INVALID_PARAMETER;
    }
 
    /* Now call the power manager */
    DPRINT("Setting state to: %lx\n", PowerAction);
    return NtSetSystemPowerState(PowerAction,
                                 PowerSystemSleeping3,
                                 POWER_ACTION_OVERRIDE_APPS |
                                 POWER_ACTION_DISABLE_WAKES |
                                 POWER_ACTION_CRITICAL);
}
 
/* EOF */