- cancellation disabled by default

Source/charon/job_queue.c

@@ -96,19 +96,22 @@ status_t get_count(private_job_queue_t *this, int *count)
 status_t get(private_job_queue_t *this, job_t **job)
 {
 	int count;
+	int oldstate;
 	pthread_mutex_lock(&(this->mutex));
-	// add mutex unlock handler for cancellation
+	/* go to wait while no jobs available */
-	pthread_cleanup_push((void(*)(void*))pthread_mutex_unlock, (void*)&(this->mutex));
-	// go to wait while no jobs available
 	this->list->get_count(this->list,&count);
 	while(count == 0)
 	{
+		/* add mutex unlock handler for cancellation, enable cancellation */
+		pthread_cleanup_push((void(*)(void*))pthread_mutex_unlock, (void*)&(this->mutex));
+		pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate);
 		pthread_cond_wait( &(this->condvar), &(this->mutex));
+		
+		/* reset cancellation, remove mutex-unlock handler (without executing) */
+		pthread_setcancelstate(oldstate, NULL);
+		pthread_cleanup_pop(0);
 		this->list->get_count(this->list,&count);
 	}
-	// remove mutex-unlock handler (without executing)
-	pthread_cleanup_pop(0);
-	
 	this->list->remove_first(this->list,(void **) job);
 	pthread_mutex_unlock(&(this->mutex));
 	return SUCCESS;

Source/charon/thread_pool.c

@@ -56,6 +56,9 @@ typedef struct {
 
 void job_processing(private_thread_pool_t *this)
 {
+	/* cancellation disabled by default */
+	pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
+	
 	for (;;) {
 		job_t *job;
 		job_queue->get(job_queue, &job);
@@ -113,6 +116,7 @@ thread_pool_t *thread_pool_create(size_t pool_size)
 	this->pool_size = pool_size;
 	this->threads = alloc_bytes(sizeof(pthread_t) * pool_size, "pthread_t[] of private_thread_pool_t");
 	
+	
 	/* try to create as many threads as possible, up tu pool_size */
 	for (current = 0; current < pool_size; current++) {
 		if (pthread_create(&(this->threads[current]), NULL, (void*(*)(void*))job_processing, this)) {