interlocked.h

 
#ifndef WINPR_INTERLOCKED_H
#define WINPR_INTERLOCKED_H
 
#include <winpr/spec.h>
#include <winpr/platform.h>
#include <winpr/winpr.h>
#include <winpr/wtypes.h>
 
#ifdef __cplusplus
extern "C"
{
#endif
 
#ifndef _WIN32
 
#ifndef CONTAINING_RECORD
#define CONTAINING_RECORD(address, type, field) \
  ((type*)(((ULONG_PTR)address) - (ULONG_PTR)(&(((type*)0)->field))))
#endif
 
  typedef struct S_WINPR_LIST_ENTRY WINPR_LIST_ENTRY;
  typedef struct S_WINPR_LIST_ENTRY* WINPR_PLIST_ENTRY;
 
  struct S_WINPR_LIST_ENTRY
  {
    WINPR_PLIST_ENTRY Flink;
    WINPR_PLIST_ENTRY Blink;
  };
 
  typedef struct S_WINPR_SINGLE_LIST_ENTRY WINPR_SINGLE_LIST_ENTRY;
  typedef struct S_WINPR_SINGLE_LIST_ENTRY* WINPR_PSINGLE_LIST_ENTRY;
 
  struct S_WINPR_SINGLE_LIST_ENTRY
  {
    WINPR_PSINGLE_LIST_ENTRY Next;
  };
 
  typedef struct WINPR_LIST_ENTRY32
  {
    DWORD Flink;
    DWORD Blink;
  } WINPR_LIST_ENTRY32;
  typedef WINPR_LIST_ENTRY32* WINPR_PLIST_ENTRY32;
 
  typedef struct WINPR_LIST_ENTRY64
  {
    ULONGLONG Flink;
    ULONGLONG Blink;
  } WINPR_LIST_ENTRY64;
  typedef WINPR_LIST_ENTRY64* WINPR_PLIST_ENTRY64;
 
#ifdef _WIN64
 
  typedef struct S_WINPR_SLIST_ENTRY* WINPR_PSLIST_ENTRY;
  typedef struct DECLSPEC_ALIGN(16) S_WINPR_SLIST_ENTRY
  {
    WINPR_PSLIST_ENTRY Next;
  } WINPR_SLIST_ENTRY;
 
#else /* _WIN64 */
 
  WINPR_PRAGMA_DIAG_PUSH
  WINPR_PRAGMA_DIAG_IGNORED_RESERVED_ID_MACRO
 
#define WINPR_SLIST_ENTRY WINPR_SINGLE_LIST_ENTRY
#define _WINPR_SLIST_ENTRY _WINPR_SINGLE_LIST_ENTRY
#define WINPR_PSLIST_ENTRY WINPR_PSINGLE_LIST_ENTRY
 
  WINPR_PRAGMA_DIAG_POP
 
#endif /* _WIN64 */
 
#ifdef _WIN64
 
  typedef union DECLSPEC_ALIGN(16)
  {
    struct
    {
      ULONGLONG Alignment;
      ULONGLONG Region;
    } DUMMYSTRUCTNAME;
 
    struct
    {
      ULONGLONG Depth : 16;
      ULONGLONG Sequence : 9;
      ULONGLONG NextEntry : 39;
      ULONGLONG HeaderType : 1;
      ULONGLONG Init : 1;
      ULONGLONG Reserved : 59;
      ULONGLONG Region : 3;
    } Header8;
 
    struct
    {
      ULONGLONG Depth : 16;
      ULONGLONG Sequence : 48;
      ULONGLONG HeaderType : 1;
      ULONGLONG Reserved : 3;
      ULONGLONG NextEntry : 60;
    } HeaderX64;
  } WINPR_SLIST_HEADER, *WINPR_PSLIST_HEADER;
 
#else /* _WIN64 */
 
  typedef union
  {
    ULONGLONG Alignment;
 
    struct
    {
      WINPR_SLIST_ENTRY Next;
      WORD Depth;
      WORD Sequence;
    } DUMMYSTRUCTNAME;
  } WINPR_SLIST_HEADER, *WINPR_PSLIST_HEADER;
 
#endif /* _WIN64 */
 
  /* Singly-Linked List */
 
  WINPR_API VOID InitializeSListHead(WINPR_PSLIST_HEADER ListHead);
 
  WINPR_API WINPR_PSLIST_ENTRY InterlockedPushEntrySList(WINPR_PSLIST_HEADER ListHead,
                                                         WINPR_PSLIST_ENTRY ListEntry);
  WINPR_API WINPR_PSLIST_ENTRY InterlockedPushListSListEx(WINPR_PSLIST_HEADER ListHead,
                                                          WINPR_PSLIST_ENTRY List,
                                                          WINPR_PSLIST_ENTRY ListEnd,
                                                          ULONG Count);
  WINPR_API WINPR_PSLIST_ENTRY InterlockedPopEntrySList(WINPR_PSLIST_HEADER ListHead);
  WINPR_API WINPR_PSLIST_ENTRY InterlockedFlushSList(WINPR_PSLIST_HEADER ListHead);
 
  WINPR_API USHORT QueryDepthSList(WINPR_PSLIST_HEADER ListHead);
 
  WINPR_API LONG InterlockedIncrement(LONG volatile* Addend);
  WINPR_API LONG InterlockedDecrement(LONG volatile* Addend);
 
  WINPR_API LONG InterlockedExchange(LONG volatile* Target, LONG Value);
  WINPR_API LONG InterlockedExchangeAdd(LONG volatile* Addend, LONG Value);
 
  WINPR_API LONG InterlockedCompareExchange(LONG volatile* Destination, LONG Exchange,
                                            LONG Comperand);
 
  WINPR_API PVOID InterlockedCompareExchangePointer(PVOID volatile* Destination, PVOID Exchange,
                                                    PVOID Comperand);
 
#else /* _WIN32 */
#define WINPR_LIST_ENTRY LIST_ENTRY
#define WINPR_PLIST_ENTRY PLIST_ENTRY
 
#define WINPR_SINGLE_LIST_ENTRY SINGLE_LIST_ENTRY
#define WINPR_PSINGLE_LIST_ENTRY PSINGLE_LIST_ENTRY
 
#define WINPR_SLIST_ENTRY SLIST_ENTRY
#define WINPR_PSLIST_ENTRY PSLIST_ENTRY
 
#define WINPR_SLIST_HEADER SLIST_HEADER
#define WINPR_PSLIST_HEADER PSLIST_HEADER
 
#endif /* _WIN32 */
 
#if (!defined(_WIN32) || \
     (defined(_WIN32) && (_WIN32_WINNT < 0x0502) && !defined(InterlockedCompareExchange64)))
#define WINPR_INTERLOCKED_COMPARE_EXCHANGE64 1
#endif
 
#ifdef WINPR_INTERLOCKED_COMPARE_EXCHANGE64
 
  WINPR_API LONGLONG InterlockedCompareExchange64(LONGLONG volatile* Destination,
                                                  LONGLONG Exchange, LONGLONG Comperand);
 
#endif
 
  /* Doubly-Linked List */
 
  WINPR_API VOID InitializeListHead(WINPR_PLIST_ENTRY ListHead);
 
  WINPR_API BOOL IsListEmpty(const WINPR_LIST_ENTRY* ListHead);
 
  WINPR_API BOOL RemoveEntryList(WINPR_PLIST_ENTRY Entry);
 
  WINPR_API VOID InsertHeadList(WINPR_PLIST_ENTRY ListHead, WINPR_PLIST_ENTRY Entry);
  WINPR_API WINPR_PLIST_ENTRY RemoveHeadList(WINPR_PLIST_ENTRY ListHead);
 
  WINPR_API VOID InsertTailList(WINPR_PLIST_ENTRY ListHead, WINPR_PLIST_ENTRY Entry);
  WINPR_API WINPR_PLIST_ENTRY RemoveTailList(WINPR_PLIST_ENTRY ListHead);
  WINPR_API VOID AppendTailList(WINPR_PLIST_ENTRY ListHead, WINPR_PLIST_ENTRY ListToAppend);
 
  WINPR_API VOID PushEntryList(WINPR_PSINGLE_LIST_ENTRY ListHead, WINPR_PSINGLE_LIST_ENTRY Entry);
  WINPR_API WINPR_PSINGLE_LIST_ENTRY PopEntryList(WINPR_PSINGLE_LIST_ENTRY ListHead);
 
#ifdef __cplusplus
}
#endif
 
#endif /* WINPR_INTERLOCKED_H */