-/* Set to 1 if you want other threads to be instantly
- * notified of pending jobs.
- */
-#define INSTANT_NOTEMPTY_NOTIFY 0
-
-struct thread_info
-{
- struct setup_context *setup;
- uint id;
- pipe_thread handle;
-};
-
-struct quad_job;
-
-typedef void (* quad_job_routine)( struct setup_context *setup, uint thread, struct quad_job *job );
-
-struct quad_job
-{
- struct quad_header_input input;
- struct quad_header_inout inout;
- quad_job_routine routine;
-};
-
-#define NUM_QUAD_JOBS 64
-
-struct quad_job_que
-{
- struct quad_job jobs[NUM_QUAD_JOBS];
- uint first;
- uint last;
- pipe_mutex que_mutex;
- pipe_condvar que_notfull_condvar;
- pipe_condvar que_notempty_condvar;
- uint jobs_added;
- uint jobs_done;
- pipe_condvar que_done_condvar;
-};
-
-static void
-add_quad_job( struct quad_job_que *que, struct quad_header *quad, quad_job_routine routine )
-{
-#if INSTANT_NOTEMPTY_NOTIFY
- boolean empty;
-#endif
-
- /* Wait for empty slot, see if the que is empty.
- */
- pipe_mutex_lock( que->que_mutex );
- while ((que->last + 1) % NUM_QUAD_JOBS == que->first) {
-#if !INSTANT_NOTEMPTY_NOTIFY
- pipe_condvar_broadcast( que->que_notempty_condvar );
-#endif
- pipe_condvar_wait( que->que_notfull_condvar, que->que_mutex );
- }
-#if INSTANT_NOTEMPTY_NOTIFY
- empty = que->last == que->first;
-#endif
- que->jobs_added++;
- pipe_mutex_unlock( que->que_mutex );
-
- /* Submit new job.
- */
- que->jobs[que->last].input = quad->input;
- que->jobs[que->last].inout = quad->inout;
- que->jobs[que->last].routine = routine;
- que->last = (que->last + 1) % NUM_QUAD_JOBS;
-
-#if INSTANT_NOTEMPTY_NOTIFY
- /* If the que was empty, notify consumers there's a job to be done.
- */
- if (empty) {
- pipe_mutex_lock( que->que_mutex );
- pipe_condvar_broadcast( que->que_notempty_condvar );
- pipe_mutex_unlock( que->que_mutex );
- }
-#endif
-}
-
-#endif