45 lines
927 B
C++
45 lines
927 B
C++
// SPDX-License-Identifier: BSD-2-Clause
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// author: Max Kellermann <max.kellermann@gmail.com>
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#include "Init.hxx"
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#include "Global.hxx"
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#include "Error.hxx"
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#include "event/Call.hxx"
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#include "thread/Mutex.hxx"
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#include <cassert>
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Mutex CurlInit::mutex;
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unsigned CurlInit::ref;
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CurlGlobal *CurlInit::instance;
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CurlInit::CurlInit(EventLoop &event_loop)
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{
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const std::scoped_lock<Mutex> protect(mutex);
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if (++ref > 1) {
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assert(&event_loop == &instance->GetEventLoop());
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return;
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}
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CURLcode code = curl_global_init(CURL_GLOBAL_ALL);
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if (code != CURLE_OK)
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throw Curl::MakeError(code, "CURL initialization failed");
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assert(instance == nullptr);
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instance = new CurlGlobal(event_loop);
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}
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CurlInit::~CurlInit() noexcept
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{
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const std::scoped_lock<Mutex> protect(mutex);
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if (--ref > 0)
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return;
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BlockingCall(instance->GetEventLoop(), [](){
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delete instance;
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instance = nullptr;
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});
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curl_global_cleanup();
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}
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