shareable.h File Reference

#include <uacpi/types.h>
#include <uacpi/platform/atomic.h>

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Classes
struct	uacpi_shareable

Macros
#define	UACPI_SHAREABLE_BUGGED_REFCOUNT   0xFFFFFFFF

Functions
static void	uacpi_shareable_init (uacpi_handle handle)
static void	uacpi_make_shareable_bugged (uacpi_handle handle)
static uacpi_bool	uacpi_bugged_shareable (uacpi_handle handle)
static uacpi_u32	uacpi_shareable_ref (uacpi_handle handle)
static uacpi_u32	uacpi_shareable_unref (uacpi_handle handle)
static void	uacpi_shareable_unref_and_delete_if_last (uacpi_handle handle, void(*do_free)(uacpi_handle))
static uacpi_u32	uacpi_shareable_refcount (uacpi_handle handle)

Macro Definition Documentation

UACPI_SHAREABLE_BUGGED_REFCOUNT

#define UACPI_SHAREABLE_BUGGED_REFCOUNT   0xFFFFFFFF

Definition at line 8 of file shareable.h.

Function Documentation

uacpi_bugged_shareable()

static uacpi_bool uacpi_bugged_shareable ( uacpi_handle  handle )

inlinestatic

Definition at line 29 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
 
    if (uacpi_unlikely(uacpi_atomic_load32(&shareable->reference_count) == 0))
        uacpi_make_shareable_bugged(shareable);
 
    return uacpi_atomic_load32(&shareable->reference_count) ==
           UACPI_SHAREABLE_BUGGED_REFCOUNT;
}

Referenced by uacpi_object_attach_child(), uacpi_object_detach_child(), uacpi_object_unref(), uacpi_shareable_ref(), uacpi_shareable_unref(), and uacpi_shareable_unref_and_delete_if_last().

uacpi_make_shareable_bugged()

static void uacpi_make_shareable_bugged ( uacpi_handle  handle )

inlinestatic

Definition at line 20 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
 
    uacpi_atomic_store32(
        &shareable->reference_count, UACPI_SHAREABLE_BUGGED_REFCOUNT
    );
}

Referenced by make_chain_bugged(), and uacpi_bugged_shareable().

uacpi_shareable_init()

static void uacpi_shareable_init ( uacpi_handle  handle )

inlinestatic

Definition at line 14 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
    shareable->reference_count = 1;
}

Referenced by buffer_alloc(), device_alloc(), event_alloc(), field_unit_alloc(), method_alloc(), op_region_alloc(), package_alloc(), processor_alloc(), thermal_zone_alloc(), uacpi_create_mutex(), uacpi_create_object(), uacpi_initialize_namespace(), uacpi_install_address_space_handler_with_flags(), and uacpi_namespace_node_alloc().

uacpi_shareable_ref()

static uacpi_u32 uacpi_shareable_ref ( uacpi_handle  handle )

inlinestatic

Definition at line 40 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
 
    if (uacpi_unlikely(uacpi_bugged_shareable(shareable)))
        return UACPI_SHAREABLE_BUGGED_REFCOUNT;
 
    return uacpi_atomic_inc32(&shareable->reference_count) - 1;
}

Referenced by assign_buffer(), assign_event(), assign_mutex(), assign_package(), DYNAMIC_ARRAY_WITH_INLINE_STORAGE_IMPL(), enter_method(), handle_create_buffer_field(), handle_create_field(), handle_index(), handle_load_table(), lock_field_unit_transaction(), make_object_for_predefined(), region_install_handler(), region_uninstall_handler(), resolve_name_string(), uacpi_eval(), uacpi_install_address_space_handler_with_flags(), uacpi_notify_all(), uacpi_object_assign(), uacpi_object_get_dereferenced(), uacpi_object_ref(), and uacpi_opregion_attach().

uacpi_shareable_refcount()

static uacpi_u32 uacpi_shareable_refcount ( uacpi_handle  handle )

inlinestatic

Definition at line 74 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
    return uacpi_atomic_load32(&shareable->reference_count);
}

Referenced by free_chain(), uacpi_object_attach_child(), uacpi_object_detach_child(), and uacpi_object_unref().

uacpi_shareable_unref()

static uacpi_u32 uacpi_shareable_unref ( uacpi_handle  handle )

inlinestatic

Definition at line 50 of file shareable.h.

{
    struct uacpi_shareable *shareable = handle;
 
    if (uacpi_unlikely(uacpi_bugged_shareable(shareable)))
        return UACPI_SHAREABLE_BUGGED_REFCOUNT;
 
    return uacpi_atomic_dec32(&shareable->reference_count) + 1;
}

Referenced by free_plain_no_recurse(), uacpi_object_unref(), uacpi_shareable_unref_and_delete_if_last(), unref_chain_no_recurse(), and unref_plain_no_recurse().

uacpi_shareable_unref_and_delete_if_last()

static void uacpi_shareable_unref_and_delete_if_last ( uacpi_handle  handle, void(*)(uacpi_handle)  do_free  )

inlinestatic

Definition at line 60 of file shareable.h.

{
    if (handle == UACPI_NULL)
        return;
 
    if (uacpi_unlikely(uacpi_bugged_shareable(handle)))
        return;
 
    if (uacpi_shareable_unref(handle) == 1)
        do_free(handle);
}

Referenced by free_address_space_handlers(), free_method(), free_object_storage(), uacpi_address_space_handler_unref(), uacpi_field_unit_unref(), uacpi_method_unref(), uacpi_mutex_unref(), uacpi_namespace_node_unref(), uacpi_object_assign_package(), and uacpi_object_do_assign_buffer().