HANDLE WINAPI CreateThread(
LPSECURITY_ATTRIBUTES lpThreadAttributes,
SIZE_T dwStackSize,
LPTHREAD_START_ROUTINE lpStartAddress,
LPVOID lpParameter,
DWORD dwCreationFlags,
LPDWORD lpThreadId
) {
// a thread handle would actually contain an event
// the event would mark if the thread is running or not. it will be used in the Wait functions.
// DO NOT use SDL_WaitThread for waiting. it will delete the thread object.
HANDLE h = CreateEvent(NULL, TRUE, FALSE, NULL);
h->ChangeType(CXHandle::HND_THREAD);
InternalThreadParam *pParam = new InternalThreadParam;
pParam->threadFunc = lpStartAddress;
pParam->data = lpParameter;
pParam->handle = h;
h->m_nRefCount++;
h->m_hThread = SDL_CreateThread(InternalThreadFunc, (void*)pParam);
if (lpThreadId)
*lpThreadId = SDL_GetThreadID(h->m_hThread);
return h;
}
HANDLE WINAPI CreateThread(
LPSECURITY_ATTRIBUTES lpThreadAttributes,
SIZE_T dwStackSize,
LPTHREAD_START_ROUTINE lpStartAddress,
LPVOID lpParameter,
DWORD dwCreationFlags,
LPDWORD lpThreadId
) {
// a thread handle would actually contain an event
// the event would mark if the thread is running or not. it will be used in the Wait functions.
HANDLE h = CreateEvent(NULL, TRUE, FALSE, NULL);
h->ChangeType(CXHandle::HND_THREAD);
#ifdef __APPLE__
h->m_machThreadPort = MACH_PORT_NULL;
#endif
pthread_attr_t attr;
pthread_attr_init(&attr);
if (dwStackSize > PTHREAD_STACK_MIN)
pthread_attr_setstacksize(&attr, dwStackSize);
if (pthread_create(&(h->m_hThread), &attr, (void*(*)(void*))lpStartAddress, lpParameter) == 0)
h->m_threadValid = true;
else
{
CloseHandle(h);
h = NULL;
}
pthread_attr_destroy(&attr);
if (h && lpThreadId)
// WARNING: This can truncate thread IDs on x86_64.
*lpThreadId = (DWORD)h->m_hThread;
return h;
}
bool InitializeRecursiveMutex(HANDLE hMutex, BOOL bInitialOwner) {
if (!hMutex)
return false;
// we use semaphores instead of the mutex because in SDL we CANT wait for a mutex
// to lock with timeout.
hMutex->m_pSem = new CSemaphore(bInitialOwner?0:1);
hMutex->m_hMutex = SDL_CreateMutex();
hMutex->ChangeType(CXHandle::HND_MUTEX);
if (bInitialOwner) {
hMutex->OwningThread = pthread_self();
hMutex->RecursionCount = 1;
}
return true;
}
