ReactOS Development > Doxygen

00001 #pragma once
00002 
00003 typedef struct _USER_REFERENCE_ENTRY
00004 {
00005    SINGLE_LIST_ENTRY Entry;
00006    PVOID obj;
00007 } USER_REFERENCE_ENTRY, *PUSER_REFERENCE_ENTRY;
00008 
00009 #define USER_ASSERT(exp,file,line) \
00010     if (!(exp)) {RtlAssert(#exp,(PVOID)file,line,"");}
00011 
00012 static __inline VOID
00013 UserAssertLastRef(PVOID obj, const char *file, int line)
00014 {
00015     PTHREADINFO W32Thread;
00016     PSINGLE_LIST_ENTRY ReferenceEntry;
00017     PUSER_REFERENCE_ENTRY UserReferenceEntry;
00018 
00019     USER_ASSERT(obj != NULL, file, line);
00020     W32Thread = PsGetCurrentThreadWin32Thread();
00021     USER_ASSERT(W32Thread != NULL, file, line);
00022     ReferenceEntry = W32Thread->ReferencesList.Next;
00023     USER_ASSERT(ReferenceEntry != NULL, file, line);
00024     UserReferenceEntry = CONTAINING_RECORD(ReferenceEntry, USER_REFERENCE_ENTRY, Entry);
00025     USER_ASSERT(UserReferenceEntry != NULL, file, line);
00026     USER_ASSERT(obj == UserReferenceEntry->obj, file, line);
00027 }
00028 #define ASSERT_LAST_REF(_obj_) UserAssertLastRef(_obj,__FILE__,__LINE__)
00029 
00030 #undef USER_ASSERT
00031 
00032 extern PUSER_HANDLE_TABLE gHandleTable;
00033 VOID FASTCALL UserReferenceObject(PVOID obj);
00034 PVOID FASTCALL UserReferenceObjectByHandle(HANDLE handle, USER_OBJECT_TYPE type);
00035 BOOL FASTCALL UserDereferenceObject(PVOID obj);
00036 PVOID FASTCALL UserCreateObject(PUSER_HANDLE_TABLE ht, struct _DESKTOP* pDesktop, HANDLE* h,USER_OBJECT_TYPE type , ULONG size);
00037 BOOL FASTCALL UserDeleteObject(HANDLE h, USER_OBJECT_TYPE type );
00038 PVOID UserGetObject(PUSER_HANDLE_TABLE ht, HANDLE handle, USER_OBJECT_TYPE type );
00039 BOOL FASTCALL UserCreateHandleTable(VOID);
00040 
00041 static __inline VOID
00042 UserRefObjectCo(PVOID obj, PUSER_REFERENCE_ENTRY UserReferenceEntry)
00043 {
00044     PTHREADINFO W32Thread;
00045 
00046     W32Thread = PsGetCurrentThreadWin32Thread();
00047     ASSERT(W32Thread != NULL);
00048     ASSERT(UserReferenceEntry != NULL);
00049     UserReferenceEntry->obj = obj;
00050     UserReferenceObject(obj);
00051     PushEntryList(&W32Thread->ReferencesList, &UserReferenceEntry->Entry);
00052 }
00053 
00054 static __inline VOID
00055 UserDerefObjectCo(PVOID obj)
00056 {
00057     PTHREADINFO W32Thread;
00058     PSINGLE_LIST_ENTRY ReferenceEntry;
00059     PUSER_REFERENCE_ENTRY UserReferenceEntry;
00060 
00061     ASSERT(obj != NULL);
00062     W32Thread = PsGetCurrentThreadWin32Thread();
00063     ASSERT(W32Thread != NULL);
00064     ReferenceEntry = PopEntryList(&W32Thread->ReferencesList);
00065     ASSERT(ReferenceEntry != NULL);
00066     UserReferenceEntry = CONTAINING_RECORD(ReferenceEntry, USER_REFERENCE_ENTRY, Entry);
00067     ASSERT(UserReferenceEntry != NULL);
00068 
00069     ASSERT(obj == UserReferenceEntry->obj);
00070     UserDereferenceObject(obj);
00071 }
00072 
00073 /* EOF */
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