OW_ThreadImpl.hpp

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#ifndef OW_THREADIMPL_HPP_INCLUDE_GUARD_
#define OW_THREADIMPL_HPP_INCLUDE_GUARD_
#include "OW_config.h"
#include "OW_Types.hpp"
#include "OW_ThreadTypes.hpp"

// The classes and functions defined in this file are not meant for general
// use, they are internal implementation details.  They may change at any time.

namespace OW_NAMESPACE
{

/*----------------------------------
 * Definitions to support threading.
 -----------------------------------*/
#define OW_THREAD_FLG_JOINABLE 0x000000001
typedef Int32 (*ThreadFunction)(void*);
namespace ThreadImpl
{
   OW_COMMON_API int createThread(Thread_t& handle, ThreadFunction func,
      void* funcParm, UInt32 threadFlags);
   OW_COMMON_API void destroyThread(Thread_t& handle);
   inline bool sameThreads(const volatile Thread_t& handle1,
      const volatile Thread_t& handle2)
   {
   #if defined(OW_WIN32)
      return handle1 == handle2;
   #elif OW_HAVE_PTHREAD_H
      return pthread_equal(handle1, handle2);
   #endif
   }
   OW_COMMON_API void exitThread(Thread_t& handle, Int32 rval);
   inline Thread_t currentThread()
   {
#if defined(OW_WIN32)
      return GetCurrentThreadId();
#else
      return pthread_self();
#endif
   }


   OW_COMMON_API UInt64 thread_t_ToUInt64(Thread_t thr);

   OW_COMMON_API int setThreadDetached(Thread_t& handle);
   OW_COMMON_API int joinThread(Thread_t& handle, Int32& rval);
   OW_COMMON_API void yield();
   OW_COMMON_API void sleep(UInt32 milliSeconds);
   inline OW_DEPRECATED void memoryBarrier()
   {
      // DEC/COMPAQ/HP Alpha
      #if defined(__alpha)
      __asm__ __volatile__("mb");
      #endif
      
      // Intel Itanium
      #if defined(__ia64__) || defined(__ia64)
      __asm__ __volatile__("mf");
      #endif
   }
   OW_COMMON_API void testCancel();
   OW_COMMON_API void saveThreadInTLS(void* pTheThread);
   OW_COMMON_API void sendSignalToThread(Thread_t threadID, int signo);
   OW_COMMON_API void cancel(Thread_t threadID);
};

} // end namespace OW_NAMESPACE

#endif

---