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- /* Copyright (c) 2013, The Tor Project, Inc. */
- /* See LICENSE for licensing information */
- #ifndef TOR_WORKQUEUE_H
- #define TOR_WORKQUEUE_H
- #include "compat.h"
- /** A replyqueue is used to tell the main thread about the outcome of
- * work that we queued for the the workers. */
- typedef struct replyqueue_s replyqueue_t;
- /** A thread-pool manages starting threads and passing work to them. */
- typedef struct threadpool_s threadpool_t;
- /** A workqueue entry represents a request that has been passed to a thread
- * pool. */
- typedef struct workqueue_entry_s workqueue_entry_t;
- /** Possible return value from a work function: indicates success. */
- #define WQ_RPL_REPLY 0
- /** Possible return value from a work function: indicates fatal error */
- #define WQ_RPL_ERROR 1
- /** Possible return value from a work function: indicates thread is shutting
- * down. */
- #define WQ_RPL_SHUTDOWN 2
- workqueue_entry_t *threadpool_queue_work(threadpool_t *pool,
- int (*fn)(void *, void *),
- void (*reply_fn)(void *),
- void *arg);
- int threadpool_queue_update(threadpool_t *pool,
- void *(*dup_fn)(void *),
- int (*fn)(void *, void *),
- void (*free_fn)(void *),
- void *arg);
- void *workqueue_entry_cancel(workqueue_entry_t *pending_work);
- threadpool_t *threadpool_new(int n_threads,
- replyqueue_t *replyqueue,
- void *(*new_thread_state_fn)(void*),
- void (*free_thread_state_fn)(void*),
- void *arg);
- replyqueue_t *threadpool_get_replyqueue(threadpool_t *tp);
- replyqueue_t *replyqueue_new(uint32_t alertsocks_flags);
- tor_socket_t replyqueue_get_socket(replyqueue_t *rq);
- void replyqueue_process(replyqueue_t *queue);
- #endif
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