processor: Fix incompatible function types warnings

src/libstrongswan/processing/processor.c

@@ -115,54 +115,7 @@ typedef struct {
 
 } worker_thread_t;
 
-static void process_jobs(worker_thread_t *worker);
-
-/**
- * restart a terminated thread
- */
-static void restart(worker_thread_t *worker)
-{
-	private_processor_t *this = worker->processor;
-	job_t *job;
-
-	DBG2(DBG_JOB, "terminated worker thread %.2u", thread_current_id());
-
-	this->mutex->lock(this->mutex);
-	/* cleanup worker thread  */
-	this->working_threads[worker->priority]--;
-	worker->job->status = JOB_STATUS_CANCELED;
-	job = worker->job;
-	/* unset the job before releasing the mutex, otherwise cancel() might
-	 * interfere */
-	worker->job = NULL;
-	/* release mutex to avoid deadlocks if the same lock is required
-	 * during queue_job() and in the destructor called here */
-	this->mutex->unlock(this->mutex);
-	job->destroy(job);
-	this->mutex->lock(this->mutex);
-
-	/* respawn thread if required */
-	if (this->desired_threads >= this->total_threads)
-	{
-		worker_thread_t *new_worker;
-
-		INIT(new_worker,
-			.processor = this,
-		);
-		new_worker->thread = thread_create((thread_main_t)process_jobs,
-										   new_worker);
-		if (new_worker->thread)
-		{
-			this->threads->insert_last(this->threads, new_worker);
-			this->mutex->unlock(this->mutex);
-			return;
-		}
-		free(new_worker);
-	}
-	this->total_threads--;
-	this->thread_terminated->signal(this->thread_terminated);
-	this->mutex->unlock(this->mutex);
-}
+static void process_job(private_processor_t *this, worker_thread_t *worker);
 
 /**
  * Get number of idle threads, non-locking variant
@@ -214,6 +167,80 @@ static bool get_job(private_processor_t *this, worker_thread_t *worker)
 	return FALSE;
 }
 
+CALLBACK(process_jobs, void*,
+	worker_thread_t *worker)
+{
+	private_processor_t *this = worker->processor;
+
+	/* worker threads are not cancelable by default */
+	thread_cancelability(FALSE);
+
+	DBG2(DBG_JOB, "started worker thread %.2u", thread_current_id());
+
+	this->mutex->lock(this->mutex);
+	while (this->desired_threads >= this->total_threads)
+	{
+		if (get_job(this, worker))
+		{
+			process_job(this, worker);
+		}
+		else
+		{
+			this->job_added->wait(this->job_added, this->mutex);
+		}
+	}
+	this->total_threads--;
+	this->thread_terminated->signal(this->thread_terminated);
+	this->mutex->unlock(this->mutex);
+	return NULL;
+}
+
+/**
+ * restart a terminated thread
+ */
+static void restart(worker_thread_t *worker)
+{
+	private_processor_t *this = worker->processor;
+	job_t *job;
+
+	DBG2(DBG_JOB, "terminated worker thread %.2u", thread_current_id());
+
+	this->mutex->lock(this->mutex);
+	/* cleanup worker thread  */
+	this->working_threads[worker->priority]--;
+	worker->job->status = JOB_STATUS_CANCELED;
+	job = worker->job;
+	/* unset the job before releasing the mutex, otherwise cancel() might
+	 * interfere */
+	worker->job = NULL;
+	/* release mutex to avoid deadlocks if the same lock is required
+	 * during queue_job() and in the destructor called here */
+	this->mutex->unlock(this->mutex);
+	job->destroy(job);
+	this->mutex->lock(this->mutex);
+
+	/* respawn thread if required */
+	if (this->desired_threads >= this->total_threads)
+	{
+		worker_thread_t *new_worker;
+
+		INIT(new_worker,
+			.processor = this,
+		);
+		new_worker->thread = thread_create(process_jobs, new_worker);
+		if (new_worker->thread)
+		{
+			this->threads->insert_last(this->threads, new_worker);
+			this->mutex->unlock(this->mutex);
+			return;
+		}
+		free(new_worker);
+	}
+	this->total_threads--;
+	this->thread_terminated->signal(this->thread_terminated);
+	this->mutex->unlock(this->mutex);
+}
+
 /**
  * Process a single job (provided in worker->job, worker->priority is also
  * expected to be set)
@@ -301,35 +328,6 @@ static void process_job(private_processor_t *this, worker_thread_t *worker)
 	}
 }
 
-/**
- * Process queued jobs, called by the worker threads
- */
-static void process_jobs(worker_thread_t *worker)
-{
-	private_processor_t *this = worker->processor;
-
-	/* worker threads are not cancelable by default */
-	thread_cancelability(FALSE);
-
-	DBG2(DBG_JOB, "started worker thread %.2u", thread_current_id());
-
-	this->mutex->lock(this->mutex);
-	while (this->desired_threads >= this->total_threads)
-	{
-		if (get_job(this, worker))
-		{
-			process_job(this, worker);
-		}
-		else
-		{
-			this->job_added->wait(this->job_added, this->mutex);
-		}
-	}
-	this->total_threads--;
-	this->thread_terminated->signal(this->thread_terminated);
-	this->mutex->unlock(this->mutex);
-}
-
 METHOD(processor_t, get_total_threads, u_int,
 	private_processor_t *this)
 {
@@ -450,7 +448,7 @@ METHOD(processor_t, set_threads, void,
 			INIT(worker,
 				.processor = this,
 			);
-			worker->thread = thread_create((thread_main_t)process_jobs, worker);
+			worker->thread = thread_create(process_jobs, worker);
 			if (worker->thread)
 			{
 				this->threads->insert_last(this->threads, worker);