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27 /* Job queue with execution in a separate thread.
29 * Jobs can be added from any thread. After that, the wait call can be used
30 * to wait for completion of the job.
38 #include "util/list.h"
39 #include "util/u_thread.h"
45 /* Job completion fence.
46 * Put this into your job structure.
48 struct util_queue_fence
{
54 typedef void (*util_queue_execute_func
)(void *job
, int thread_index
);
56 struct util_queue_job
{
58 struct util_queue_fence
*fence
;
59 util_queue_execute_func execute
;
60 util_queue_execute_func cleanup
;
63 /* Put this into your context. */
67 cnd_t has_queued_cond
;
74 int write_idx
, read_idx
; /* ring buffer pointers */
75 struct util_queue_job
*jobs
;
77 /* for cleanup at exit(), protected by exit_mutex */
78 struct list_head head
;
81 bool util_queue_init(struct util_queue
*queue
,
84 unsigned num_threads
);
85 void util_queue_destroy(struct util_queue
*queue
);
86 void util_queue_fence_init(struct util_queue_fence
*fence
);
87 void util_queue_fence_destroy(struct util_queue_fence
*fence
);
89 /* optional cleanup callback is called after fence is signaled: */
90 void util_queue_add_job(struct util_queue
*queue
,
92 struct util_queue_fence
*fence
,
93 util_queue_execute_func execute
,
94 util_queue_execute_func cleanup
);
96 void util_queue_fence_wait(struct util_queue_fence
*fence
);
97 int64_t util_queue_get_thread_time_nano(struct util_queue
*queue
,
98 unsigned thread_index
);
100 /* util_queue needs to be cleared to zeroes for this to work */
102 util_queue_is_initialized(struct util_queue
*queue
)
104 return queue
->threads
!= NULL
;
108 util_queue_fence_is_signalled(struct util_queue_fence
*fence
)
110 return fence
->signalled
!= 0;