void worker_cleanup(void)
{
LPWORKER lpWorker = NULL;
/* WARNING: we can have a race condition here, if while this code
is executed another worker is waiting to access hWorkersMutex,
he will never be able to get it...
*/
if (hWorkersMutex != INVALID_HANDLE_VALUE)
{
WaitForSingleObject(hWorkersMutex, INFINITE);
DEBUG_PRINT("Freeing global resource of workers");
/* Empty the queue of worker worker */
while (lpWorkers != NULL)
{
ReleaseMutex(hWorkersMutex);
lpWorker = worker_pop();
DEBUG_PRINT("Freeing worker %x", lpWorker);
WaitForSingleObject(hWorkersMutex, INFINITE);
worker_free(lpWorker);
};
ReleaseMutex(hWorkersMutex);
/* Destroy associated mutex */
CloseHandle(hWorkersMutex);
hWorkersMutex = INVALID_HANDLE_VALUE;
};
}
LPWORKER worker_job_submit (WORKERFUNC f, void *user_data)
{
LPWORKER lpWorker = worker_pop();
#ifdef DBUG
dbug_print("Waiting for worker to be ready");
#endif
enter_blocking_section();
WaitForSingleObject(lpWorker->hWorkerReady, INFINITE);
ResetEvent(lpWorker->hWorkerReady);
leave_blocking_section();
#ifdef DBUG
dbug_print("Worker is ready");
#endif
lpWorker->hJobFunc = f;
lpWorker->lpJobUserData = user_data;
lpWorker->ECommand = WORKER_CMD_EXEC;
#ifdef DBUG
dbug_print("Call worker (func: %x, worker: %x)", f, lpWorker);
#endif
SetEvent(lpWorker->hCommandReady);
return (LPWORKER)lpWorker;
}
