Subversion Repositories test_project

/******************************************************************************

 *

 * Module Name: utinit - Common ACPI subsystem initialization

 *

 *****************************************************************************/

/*

 * Copyright (C) 2000 - 2007, R. Byron Moore

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions, and the following disclaimer,

 *    without modification.

 * 2. Redistributions in binary form must reproduce at minimum a disclaimer

 *    substantially similar to the "NO WARRANTY" disclaimer below

 *    ("Disclaimer") and any redistribution must be conditioned upon

 *    including a substantially similar Disclaimer requirement for further

 *    binary redistribution.

 * 3. Neither the names of the above-listed copyright holders nor the names

 *    of any contributors may be used to endorse or promote products derived

 *    from this software without specific prior written permission.

 *

 * Alternatively, this software may be distributed under the terms of the

 * GNU General Public License ("GPL") version 2 as published by the Free

 * Software Foundation.

 *

 * NO WARRANTY

 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR

 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING

 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

 * POSSIBILITY OF SUCH DAMAGES.

 */

#include <acpi/acpi.h>

#include <acpi/acnamesp.h>

#include <acpi/acevents.h>

#include <acpi/actables.h>

#define _COMPONENT          ACPI_UTILITIES

ACPI_MODULE_NAME("utinit")

/* Local prototypes */

static void acpi_ut_terminate(void);

/******************************************************************************

 *

 * FUNCTION:    acpi_ut_terminate

 *

 * PARAMETERS:  none

 *

 * RETURN:      none

 *

 * DESCRIPTION: Free global memory

 *

 ******************************************************************************/

static void acpi_ut_terminate(void)

{

        struct acpi_gpe_block_info *gpe_block;

        struct acpi_gpe_block_info *next_gpe_block;

        struct acpi_gpe_xrupt_info *gpe_xrupt_info;

        struct acpi_gpe_xrupt_info *next_gpe_xrupt_info;

        ACPI_FUNCTION_TRACE(ut_terminate);

        /* Free global GPE blocks and related info structures */

        gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head;

        while (gpe_xrupt_info) {

                gpe_block = gpe_xrupt_info->gpe_block_list_head;

                while (gpe_block) {

                        next_gpe_block = gpe_block->next;

                        ACPI_FREE(gpe_block->event_info);

                        ACPI_FREE(gpe_block->register_info);

                        ACPI_FREE(gpe_block);

                        gpe_block = next_gpe_block;

                }

                next_gpe_xrupt_info = gpe_xrupt_info->next;

                ACPI_FREE(gpe_xrupt_info);

                gpe_xrupt_info = next_gpe_xrupt_info;

        }

        return_VOID;

}

/*******************************************************************************

 *

 * FUNCTION:    acpi_ut_subsystem_shutdown

 *

 * PARAMETERS:  none

 *

 * RETURN:      none

 *

 * DESCRIPTION: Shutdown the various subsystems.  Don't delete the mutex

 *              objects here -- because the AML debugger may be still running.

 *

 ******************************************************************************/

void acpi_ut_subsystem_shutdown(void)

{

        ACPI_FUNCTION_TRACE(ut_subsystem_shutdown);

        /* Just exit if subsystem is already shutdown */

        if (acpi_gbl_shutdown) {

                ACPI_ERROR((AE_INFO, "ACPI Subsystem is already terminated"));

                return_VOID;

        }

        /* Subsystem appears active, go ahead and shut it down */

        acpi_gbl_shutdown = TRUE;

        acpi_gbl_startup_flags = 0;

        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Shutting down ACPI Subsystem\n"));

        /* Close the acpi_event Handling */

        acpi_ev_terminate();

        /* Close the Namespace */

        acpi_ns_terminate();

        /* Delete the ACPI tables */

        acpi_tb_terminate();

        /* Close the globals */

        acpi_ut_terminate();

        /* Purge the local caches */

        (void)acpi_ut_delete_caches();

        return_VOID;

}