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958dd242b6
Replaced the acpi_os_queue_for_execution() with a new interface named acpi_os_execute(). The major difference is that the new interface does not have a Priority parameter, this appeared to be useless and has been replaced by a Type parameter. The Type tells the OS what type of execution is being requested, such as global lock handler, notify handler, GPE handler, etc. This allows the host to queue and execute the request as appropriate for the request type, possibly using different work queues and different priorities for the various request types. This enables fixes for multithreading deadlock problems such as http://bugzilla.kernel.org/show_bug.cgi?id=5534 (Alexey Starikovskiy and Bob Moore) Fixed a possible memory leak associated with the support for the so-called "implicit return" ACPI extension. Reported by FreeBSD (Fiodor Suietov) http://bugzilla.kernel.org/show_bug.cgi?id=6514 Fixed a problem with the Load() operator where a table load from an operation region could overwrite an internal table buffer by up to 7 bytes and cause alignment faults on IPF systems. (With assistance from Luming Yu) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
217 lines
6.5 KiB
C
217 lines
6.5 KiB
C
/******************************************************************************
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*
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* Name: acevents.h - Event subcomponent prototypes and defines
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*
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*****************************************************************************/
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/*
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* Copyright (C) 2000 - 2006, R. Byron Moore
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* substantially similar to the "NO WARRANTY" disclaimer below
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* ("Disclaimer") and any redistribution must be conditioned upon
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* including a substantially similar Disclaimer requirement for further
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* binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGES.
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*/
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#ifndef __ACEVENTS_H__
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#define __ACEVENTS_H__
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/*
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* evevent
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*/
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acpi_status acpi_ev_initialize_events(void);
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acpi_status acpi_ev_install_xrupt_handlers(void);
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acpi_status acpi_ev_install_fadt_gpes(void);
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u32 acpi_ev_fixed_event_detect(void);
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/*
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* evmisc
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*/
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u8 acpi_ev_is_notify_object(struct acpi_namespace_node *node);
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acpi_status acpi_ev_acquire_global_lock(u16 timeout);
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acpi_status acpi_ev_release_global_lock(void);
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acpi_status acpi_ev_init_global_lock_handler(void);
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u32 acpi_ev_get_gpe_number_index(u32 gpe_number);
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acpi_status
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acpi_ev_queue_notify_request(struct acpi_namespace_node *node,
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u32 notify_value);
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/*
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* evgpe - GPE handling and dispatch
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*/
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acpi_status
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acpi_ev_update_gpe_enable_masks(struct acpi_gpe_event_info *gpe_event_info,
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u8 type);
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acpi_status
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acpi_ev_enable_gpe(struct acpi_gpe_event_info *gpe_event_info,
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u8 write_to_hardware);
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acpi_status acpi_ev_disable_gpe(struct acpi_gpe_event_info *gpe_event_info);
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struct acpi_gpe_event_info *acpi_ev_get_gpe_event_info(acpi_handle gpe_device,
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u32 gpe_number);
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/*
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* evgpeblk
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*/
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u8 acpi_ev_valid_gpe_event(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status acpi_ev_walk_gpe_list(acpi_gpe_callback gpe_walk_callback);
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acpi_status
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acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info,
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struct acpi_gpe_block_info *gpe_block);
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acpi_status
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acpi_ev_create_gpe_block(struct acpi_namespace_node *gpe_device,
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struct acpi_generic_address *gpe_block_address,
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u32 register_count,
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u8 gpe_block_base_number,
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u32 interrupt_number,
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struct acpi_gpe_block_info **return_gpe_block);
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acpi_status
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acpi_ev_initialize_gpe_block(struct acpi_namespace_node *gpe_device,
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struct acpi_gpe_block_info *gpe_block);
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acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block);
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u32
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acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info,
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u32 gpe_number);
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u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info *gpe_xrupt_list);
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acpi_status
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acpi_ev_set_gpe_type(struct acpi_gpe_event_info *gpe_event_info, u8 type);
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acpi_status
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acpi_ev_check_for_wake_only_gpe(struct acpi_gpe_event_info *gpe_event_info);
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acpi_status acpi_ev_gpe_initialize(void);
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/*
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* evregion - Address Space handling
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*/
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acpi_status acpi_ev_install_region_handlers(void);
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acpi_status acpi_ev_initialize_op_regions(void);
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acpi_status
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acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
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u32 function,
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acpi_physical_address address,
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u32 bit_width, acpi_integer * value);
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acpi_status
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acpi_ev_attach_region(union acpi_operand_object *handler_obj,
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union acpi_operand_object *region_obj,
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u8 acpi_ns_is_locked);
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void
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acpi_ev_detach_region(union acpi_operand_object *region_obj,
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u8 acpi_ns_is_locked);
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acpi_status
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acpi_ev_install_space_handler(struct acpi_namespace_node *node,
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acpi_adr_space_type space_id,
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acpi_adr_space_handler handler,
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acpi_adr_space_setup setup, void *context);
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acpi_status
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acpi_ev_execute_reg_methods(struct acpi_namespace_node *node,
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acpi_adr_space_type space_id);
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acpi_status
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acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function);
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/*
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* evregini - Region initialization and setup
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*/
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acpi_status
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acpi_ev_system_memory_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context,
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void **region_context);
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acpi_status
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acpi_ev_io_space_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_pci_config_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_cmos_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_pci_bar_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_default_region_setup(acpi_handle handle,
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u32 function,
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void *handler_context, void **region_context);
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acpi_status
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acpi_ev_initialize_region(union acpi_operand_object *region_obj,
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u8 acpi_ns_locked);
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/*
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* evsci - SCI (System Control Interrupt) handling/dispatch
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*/
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u32 ACPI_SYSTEM_XFACE acpi_ev_gpe_xrupt_handler(void *context);
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u32 acpi_ev_install_sci_handler(void);
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acpi_status acpi_ev_remove_sci_handler(void);
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u32 acpi_ev_initialize_sCI(u32 program_sCI);
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void acpi_ev_terminate(void);
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#endif /* __ACEVENTS_H__ */
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