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      1 /* Threads.h -- multithreading library
      2 2013-11-12 : Igor Pavlov : Public domain */
      3 
      4 #ifndef __7Z_THREADS_H
      5 #define __7Z_THREADS_H
      6 
      7 #ifdef _WIN32
      8 #include <windows.h>
      9 #endif
     10 
     11 #include "7zTypes.h"
     12 
     13 EXTERN_C_BEGIN
     14 
     15 WRes HandlePtr_Close(HANDLE *h);
     16 WRes Handle_WaitObject(HANDLE h);
     17 
     18 typedef HANDLE CThread;
     19 #define Thread_Construct(p) *(p) = NULL
     20 #define Thread_WasCreated(p) (*(p) != NULL)
     21 #define Thread_Close(p) HandlePtr_Close(p)
     22 #define Thread_Wait(p) Handle_WaitObject(*(p))
     23 
     24 typedef
     25 #ifdef UNDER_CE
     26   DWORD
     27 #else
     28   unsigned
     29 #endif
     30   THREAD_FUNC_RET_TYPE;
     31 
     32 #define THREAD_FUNC_CALL_TYPE MY_STD_CALL
     33 #define THREAD_FUNC_DECL THREAD_FUNC_RET_TYPE THREAD_FUNC_CALL_TYPE
     34 typedef THREAD_FUNC_RET_TYPE (THREAD_FUNC_CALL_TYPE * THREAD_FUNC_TYPE)(void *);
     35 WRes Thread_Create(CThread *p, THREAD_FUNC_TYPE func, LPVOID param);
     36 
     37 typedef HANDLE CEvent;
     38 typedef CEvent CAutoResetEvent;
     39 typedef CEvent CManualResetEvent;
     40 #define Event_Construct(p) *(p) = NULL
     41 #define Event_IsCreated(p) (*(p) != NULL)
     42 #define Event_Close(p) HandlePtr_Close(p)
     43 #define Event_Wait(p) Handle_WaitObject(*(p))
     44 WRes Event_Set(CEvent *p);
     45 WRes Event_Reset(CEvent *p);
     46 WRes ManualResetEvent_Create(CManualResetEvent *p, int signaled);
     47 WRes ManualResetEvent_CreateNotSignaled(CManualResetEvent *p);
     48 WRes AutoResetEvent_Create(CAutoResetEvent *p, int signaled);
     49 WRes AutoResetEvent_CreateNotSignaled(CAutoResetEvent *p);
     50 
     51 typedef HANDLE CSemaphore;
     52 #define Semaphore_Construct(p) (*p) = NULL
     53 #define Semaphore_Close(p) HandlePtr_Close(p)
     54 #define Semaphore_Wait(p) Handle_WaitObject(*(p))
     55 WRes Semaphore_Create(CSemaphore *p, UInt32 initCount, UInt32 maxCount);
     56 WRes Semaphore_ReleaseN(CSemaphore *p, UInt32 num);
     57 WRes Semaphore_Release1(CSemaphore *p);
     58 
     59 typedef CRITICAL_SECTION CCriticalSection;
     60 WRes CriticalSection_Init(CCriticalSection *p);
     61 #define CriticalSection_Delete(p) DeleteCriticalSection(p)
     62 #define CriticalSection_Enter(p) EnterCriticalSection(p)
     63 #define CriticalSection_Leave(p) LeaveCriticalSection(p)
     64 
     65 EXTERN_C_END
     66 
     67 #endif
     68