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32220d38c0
This includes a small refactoring to use a new enum (workqueue_reply_t) for the return values instead of just ints.
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/* Copyright (c) 2013, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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#ifndef TOR_WORKQUEUE_H
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#define TOR_WORKQUEUE_H
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#include "compat.h"
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/** A replyqueue is used to tell the main thread about the outcome of
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* work that we queued for the the workers. */
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typedef struct replyqueue_s replyqueue_t;
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/** A thread-pool manages starting threads and passing work to them. */
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typedef struct threadpool_s threadpool_t;
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/** A workqueue entry represents a request that has been passed to a thread
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* pool. */
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typedef struct workqueue_entry_s workqueue_entry_t;
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/** Possible return value from a work function: */
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typedef enum {
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WQ_RPL_REPLY = 0, /** indicates success */
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WQ_RPL_ERROR = 1, /** indicates fatal error */
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WQ_RPL_SHUTDOWN = 2, /** indicates thread is shutting down */
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} workqueue_reply_t;
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workqueue_entry_t *threadpool_queue_work(threadpool_t *pool,
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workqueue_reply_t (*fn)(void *,
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void *),
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void (*reply_fn)(void *),
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void *arg);
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int threadpool_queue_update(threadpool_t *pool,
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void *(*dup_fn)(void *),
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workqueue_reply_t (*fn)(void *, void *),
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void (*free_fn)(void *),
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void *arg);
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void *workqueue_entry_cancel(workqueue_entry_t *pending_work);
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threadpool_t *threadpool_new(int n_threads,
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replyqueue_t *replyqueue,
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void *(*new_thread_state_fn)(void*),
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void (*free_thread_state_fn)(void*),
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void *arg);
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replyqueue_t *threadpool_get_replyqueue(threadpool_t *tp);
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replyqueue_t *replyqueue_new(uint32_t alertsocks_flags);
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tor_socket_t replyqueue_get_socket(replyqueue_t *rq);
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void replyqueue_process(replyqueue_t *queue);
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#endif
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