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57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
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/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#ifndef POOL_H
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#define POOL_H
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#include <stddef.h> /* size_t */
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typedef struct POOL_ctx_s POOL_ctx;
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/*! POOL_create() :
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Create a thread pool with at most `numThreads` threads.
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`numThreads` must be at least 1.
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The maximum number of queued jobs before blocking is `queueSize`.
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`queueSize` must be at least 1.
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@return : The POOL_ctx pointer on success else NULL.
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*/
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POOL_ctx *POOL_create(size_t numThreads, size_t queueSize);
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/*! POOL_free() :
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Free a thread pool returned by POOL_create().
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*/
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void POOL_free(POOL_ctx *ctx);
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/*! POOL_function :
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The function type that can be added to a thread pool.
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*/
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typedef void (*POOL_function)(void *);
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/*! POOL_add_function :
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The function type for a generic thread pool add function.
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*/
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typedef void (*POOL_add_function)(void *, POOL_function, void *);
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/*! POOL_add() :
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Add the job `function(opaque)` to the thread pool.
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Possibly blocks until there is room in the queue.
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Note : The function may be executed asynchronously, so `opaque` must live until the function has been completed.
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*/
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void POOL_add(void *ctx, POOL_function function, void *opaque);
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#if defined (__cplusplus)
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}
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#endif
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#endif
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