72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
/*
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* Copyright 2008-2019 Max Kellermann <max.kellermann@gmail.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CURL_INIT_HXX
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#define CURL_INIT_HXX
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#include "thread/Mutex.hxx"
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class EventLoop;
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class CurlGlobal;
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/**
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* This class performs one-time initialization of libCURL and creates
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* one #CurlGlobal instance, shared across all #CurlInit instances.
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*/
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class CurlInit {
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static Mutex mutex;
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static unsigned ref;
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static CurlGlobal *instance;
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public:
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explicit CurlInit(EventLoop &event_loop);
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~CurlInit() noexcept;
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CurlInit(const CurlInit &) = delete;
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CurlInit &operator=(const CurlInit &) = delete;
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CurlGlobal &operator*() noexcept {
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return *instance;
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}
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const CurlGlobal &operator*() const noexcept {
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return *instance;
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}
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CurlGlobal *operator->() noexcept {
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return instance;
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}
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const CurlGlobal *operator->() const noexcept {
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return instance;
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}
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};
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#endif
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