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Diffstat (limited to 'lib/mesa/src/util/u_queue.h')
-rw-r--r-- | lib/mesa/src/util/u_queue.h | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/lib/mesa/src/util/u_queue.h b/lib/mesa/src/util/u_queue.h deleted file mode 100644 index 4aec1f204..000000000 --- a/lib/mesa/src/util/u_queue.h +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright © 2016 Advanced Micro Devices, Inc. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES - * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS - * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE - * USE OR OTHER DEALINGS IN THE SOFTWARE. - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - */ - -/* Job queue with execution in a separate thread. - * - * Jobs can be added from any thread. After that, the wait call can be used - * to wait for completion of the job. - */ - -#ifndef U_QUEUE_H -#define U_QUEUE_H - -#include <string.h> - -#include "util/list.h" -#include "util/u_thread.h" - -#ifdef __cplusplus -extern "C" { -#endif - -/* Job completion fence. - * Put this into your job structure. - */ -struct util_queue_fence { - mtx_t mutex; - cnd_t cond; - int signalled; -}; - -typedef void (*util_queue_execute_func)(void *job, int thread_index); - -struct util_queue_job { - void *job; - struct util_queue_fence *fence; - util_queue_execute_func execute; - util_queue_execute_func cleanup; -}; - -/* Put this into your context. */ -struct util_queue { - const char *name; - mtx_t lock; - cnd_t has_queued_cond; - cnd_t has_space_cond; - thrd_t *threads; - int num_queued; - unsigned num_threads; - int kill_threads; - int max_jobs; - int write_idx, read_idx; /* ring buffer pointers */ - struct util_queue_job *jobs; - - /* for cleanup at exit(), protected by exit_mutex */ - struct list_head head; -}; - -bool util_queue_init(struct util_queue *queue, - const char *name, - unsigned max_jobs, - unsigned num_threads); -void util_queue_destroy(struct util_queue *queue); -void util_queue_fence_init(struct util_queue_fence *fence); -void util_queue_fence_destroy(struct util_queue_fence *fence); - -/* optional cleanup callback is called after fence is signaled: */ -void util_queue_add_job(struct util_queue *queue, - void *job, - struct util_queue_fence *fence, - util_queue_execute_func execute, - util_queue_execute_func cleanup); - -void util_queue_fence_wait(struct util_queue_fence *fence); -int64_t util_queue_get_thread_time_nano(struct util_queue *queue, - unsigned thread_index); - -/* util_queue needs to be cleared to zeroes for this to work */ -static inline bool -util_queue_is_initialized(struct util_queue *queue) -{ - return queue->threads != NULL; -} - -static inline bool -util_queue_fence_is_signalled(struct util_queue_fence *fence) -{ - return fence->signalled != 0; -} - -#ifdef __cplusplus -} -#endif - -#endif |