/*
* Add work to the queue
* TODO: This needs synchronization!
*/
void workq_put(workq_t* workq, void* data)
{
task_t* task = (task_t*) malloc(sizeof(task_t));
task->data = data;
workq_lock(workq);
task->next = workq->tasks;
workq->tasks = task;
workq_signal(workq);
workq_unlock(workq);
}
/*
* Get a data item from the queue. We assume NULL data can be used
* to signal that the queue is empty.
* TODO: This needs synchronization!
*/
void* workq_get(workq_t* workq)
{
void* result = NULL;
workq_lock(workq);
workq_wait(workq);
if (workq->tasks) {
task_t* task = workq->tasks;
result = task->data;
workq->tasks = task->next;
free(task);
}
workq_signal(workq);
workq_unlock(workq);
return result;
}