You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
153 lines
3.2 KiB
153 lines
3.2 KiB
#ifndef _LINK_H
|
|
#define _LINK_H
|
|
|
|
/*++
|
|
|
|
Copyright (c) 1998 Intel Corporation
|
|
|
|
Module Name:
|
|
|
|
link.h
|
|
|
|
Abstract:
|
|
|
|
EFI link list macro's
|
|
|
|
|
|
|
|
Revision History
|
|
|
|
--*/
|
|
|
|
#ifndef EFI_NT_EMUL
|
|
|
|
/*
|
|
* List entry - doubly linked list
|
|
*/
|
|
|
|
typedef struct _LIST_ENTRY {
|
|
struct _LIST_ENTRY *Flink;
|
|
struct _LIST_ENTRY *Blink;
|
|
} LIST_ENTRY;
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
* VOID
|
|
* InitializeListHead(
|
|
* LIST_ENTRY *ListHead
|
|
* );
|
|
*/
|
|
|
|
#define InitializeListHead(ListHead) \
|
|
(ListHead)->Flink = ListHead; \
|
|
(ListHead)->Blink = ListHead;
|
|
|
|
/*
|
|
* BOOLEAN
|
|
* IsListEmpty(
|
|
* PLIST_ENTRY ListHead
|
|
* );
|
|
*/
|
|
|
|
#define IsListEmpty(ListHead) \
|
|
((ListHead)->Flink == (ListHead))
|
|
|
|
/*
|
|
* VOID
|
|
* RemoveEntryList(
|
|
* PLIST_ENTRY Entry
|
|
* );
|
|
*/
|
|
|
|
#define _RemoveEntryList(Entry) { \
|
|
LIST_ENTRY *_Blink, *_Flink; \
|
|
_Flink = (Entry)->Flink; \
|
|
_Blink = (Entry)->Blink; \
|
|
_Blink->Flink = _Flink; \
|
|
_Flink->Blink = _Blink; \
|
|
}
|
|
|
|
#if EFI_DEBUG
|
|
#define RemoveEntryList(Entry) \
|
|
_RemoveEntryList(Entry); \
|
|
(Entry)->Flink = (LIST_ENTRY *) BAD_POINTER; \
|
|
(Entry)->Blink = (LIST_ENTRY *) BAD_POINTER;
|
|
#else
|
|
#define RemoveEntryList(Entry) \
|
|
_RemoveEntryList(Entry);
|
|
#endif
|
|
|
|
/*
|
|
* VOID
|
|
* InsertTailList(
|
|
* PLIST_ENTRY ListHead,
|
|
* PLIST_ENTRY Entry
|
|
* );
|
|
*/
|
|
|
|
#define InsertTailList(ListHead,Entry) {\
|
|
LIST_ENTRY *_ListHead, *_Blink; \
|
|
_ListHead = (ListHead); \
|
|
_Blink = _ListHead->Blink; \
|
|
(Entry)->Flink = _ListHead; \
|
|
(Entry)->Blink = _Blink; \
|
|
_Blink->Flink = (Entry); \
|
|
_ListHead->Blink = (Entry); \
|
|
}
|
|
|
|
/*
|
|
* VOID
|
|
* InsertHeadList(
|
|
* PLIST_ENTRY ListHead,
|
|
* PLIST_ENTRY Entry
|
|
* );
|
|
*/
|
|
|
|
#define InsertHeadList(ListHead,Entry) {\
|
|
LIST_ENTRY *_ListHead, *_Flink; \
|
|
_ListHead = (ListHead); \
|
|
_Flink = _ListHead->Flink; \
|
|
(Entry)->Flink = _Flink; \
|
|
(Entry)->Blink = _ListHead; \
|
|
_Flink->Blink = (Entry); \
|
|
_ListHead->Flink = (Entry); \
|
|
}
|
|
|
|
/*
|
|
* EFI_FIELD_OFFSET - returns the byte offset to a field within a structure
|
|
*/
|
|
|
|
#define EFI_FIELD_OFFSET(TYPE,Field) ((UINTN)(&(((TYPE *) 0)->Field)))
|
|
|
|
/*
|
|
* CONTAINING_RECORD - returns a pointer to the structure
|
|
* from one of it's elements.
|
|
*/
|
|
|
|
#define _CR(Record, TYPE, Field) \
|
|
((TYPE *) ( (CHAR8 *)(Record) - (CHAR8 *) &(((TYPE *) 0)->Field)))
|
|
|
|
#if EFI_DEBUG
|
|
#define CR(Record, TYPE, Field, Sig) \
|
|
_CR(Record, TYPE, Field)->Signature != Sig ? \
|
|
(TYPE *) ASSERT_STRUCT(_CR(Record, TYPE, Field), Record) : \
|
|
_CR(Record, TYPE, Field)
|
|
#else
|
|
#define CR(Record, TYPE, Field, Signature) \
|
|
_CR(Record, TYPE, Field)
|
|
#endif
|
|
|
|
|
|
/*
|
|
* A lock structure
|
|
*/
|
|
|
|
typedef struct _FLOCK {
|
|
EFI_TPL Tpl;
|
|
EFI_TPL OwnerTpl;
|
|
UINTN Lock;
|
|
} FLOCK;
|
|
|
|
#endif
|