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      1 /**
      2  * This file has no copyright assigned and is placed in the Public Domain.
      3  * This file is part of the mingw-w64 runtime package.
      4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
      5  */
      6 #ifndef _INC_WCT
      7 #define _INC_WCT
      8 #if (_WIN32_WINNT >= 0x0600)
      9 
     10 #ifdef __cplusplus
     11 extern "C" {
     12 #endif
     13 
     14   typedef LPVOID HWCT;
     15 
     16   typedef enum _WCT_OBJECT_TYPE {
     17     WctCriticalSectionType = 1,
     18     WctSendMessageType,
     19     WctMutexType,
     20     WctAlpcType,
     21     WctComType,
     22     WctThreadWaitType,
     23     WctProcessWaitType,
     24     WctThreadType,
     25     WctComActivationType,
     26     WctUnknownType
     27   } WCT_OBJECT_TYPE;
     28 
     29   typedef enum _WCT_OBJECT_STATUS {
     30     WctStatusNoAccess = 1,
     31     WctStatusRunning,
     32     WctStatusBlocked,
     33     WctStatusPidOnly,
     34     WctStatusPidOnlyRpcss,
     35     WctStatusOwned,
     36     WctStatusNotOwned,
     37     WctStatusAbandoned,
     38     WctStatusUnknown,
     39     WctStatusError
     40   } WCT_OBJECT_STATUS;
     41 
     42   /* According to http://msdn.microsoft.com/en-us/magazine/cc163395.aspx
     43     RealObjectName has 0x8 offset and TimeOutLowPart has 0x108
     44     WCT_OBJNAME_LENGTH assumed to be 128 ((0x108-0x8)/sizeof (ushort) = 128)
     45   */
     46 #define WCT_OBJNAME_LENGTH 128
     47 
     48   typedef struct _WAITCHAIN_NODE_INFO {
     49     WCT_OBJECT_TYPE   ObjectType;
     50     WCT_OBJECT_STATUS ObjectStatus;
     51     __C89_NAMELESS union {
     52       struct {
     53 	WCHAR ObjectName[WCT_OBJNAME_LENGTH];
     54 	LARGE_INTEGER Timeout;
     55 	WINBOOL Alertable;
     56       } LockObject;
     57       struct {
     58 	DWORD ProcessId;
     59 	DWORD ThreadId;
     60 	DWORD WaitTime;
     61 	DWORD ContextSwitches;
     62       } ThreadObject;
     63     };
     64   } WAITCHAIN_NODE_INFO, *PWAITCHAIN_NODE_INFO;
     65 
     66   typedef VOID (CALLBACK *PWAITCHAINCALLBACK)(HWCT WctHandle,DWORD_PTR Context,DWORD CallbackStatus,LPDWORD NodeCount,PWAITCHAIN_NODE_INFO NodeInfoArray,LPBOOL IsCycle);
     67 
     68   HWCT WINAPI OpenThreadWaitChainSession(DWORD Flags,PWAITCHAINCALLBACK callback);
     69   VOID WINAPI CloseThreadWaitChainSession(HWCT WctHandle);
     70 WINBOOL WINAPI GetThreadWaitChain(HWCT WctHandle,DWORD_PTR Context,DWORD Flags,DWORD ThreadId,LPDWORD NodeCount,PWAITCHAIN_NODE_INFO NodeInfoArray,LPBOOL IsCycle);
     71 
     72 /* Unknown Callbacks */
     73 typedef LPVOID (WINAPI *PCOGETCALLSTATE)();
     74 typedef LPVOID (WINAPI *PCOGETACTIVATIONSTATE)();
     75 
     76 VOID WINAPI RegisterWaitChainCOMCallback(PCOGETCALLSTATE CallStateCallback,PCOGETACTIVATIONSTATE ActivationStateCallback);
     77 
     78 #ifdef __cplusplus
     79 }
     80 #endif
     81 
     82 #endif /* (_WIN32_WINNT >= 0x0600) */
     83 #endif /*_INC_WCT*/
     84