/* Deallocte dynamic memory attached to device. Aware of possible imcomplete open */
static void
gdev_prn_dealloc(gx_device_printer * pwdev)
{
gx_device_printer *const prdev = pwdev->async_renderer;
/* Delete renderer device & its memory allocator */
if (prdev) {
gs_memory_t *render_alloc = prdev->memory;
gs_free_object(render_alloc, prdev, "gdev_prn_dealloc");
free_render_memory(render_alloc);
}
/* Free page queue */
if (pwdev->page_queue) {
gx_page_queue_dnit(pwdev->page_queue);
gs_free_object(pwdev->bandlist_memory, pwdev->page_queue,
"gdev_prn_dealloc");
pwdev->page_queue = 0;
}
/* Free memory bandlist allocators */
if (pwdev->bandlist_memory)
free_bandlist_memory(pwdev->bandlist_memory);
}
/* Initialize a gx_page_queue object */
int /* -ve error code, or 0 */
gx_page_queue_init(
gx_page_queue_t * queue, /* page queue to init */
gs_memory_t * memory /* allocator for dynamic memory */
)
{
queue->memory = memory;
queue->monitor = gx_monitor_alloc(memory); /* alloc monitor to serialize */
queue->entry_count = 0;
queue->dequeue_in_progress = false;
queue->render_req_sema = gx_semaphore_alloc(memory);
queue->enable_render_done_signal = false;
queue->render_done_sema = gx_semaphore_alloc(memory);
queue->first_in = queue->last_in = 0;
queue->reserve_entry = gx_page_queue_entry_alloc(queue);
if (queue->monitor && queue->render_req_sema && queue->render_done_sema
&& queue->reserve_entry)
return 0;
else {
gx_page_queue_dnit(queue);
return gs_error_VMerror;
}
}
