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f177c15347
zstd has much better compression speed and ratio, and better decompression speed than currently available methods. Also set zstd as the default compression method for Compression as well as FileAccessCompressed functions.
57 lines
1.5 KiB
C++
57 lines
1.5 KiB
C++
/**
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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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