threadcontext.cpp 2.92 KB
/* **************************************************************************************************************************************************************************
 * Copyright 2019 Open Systems Development BV                                                                                                                               *
 *                                                                                                                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),                       *
 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish,                                               *
 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:       *
 *                                                                                                                                                                          *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.                                           *
 *                                                                                                                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES                                          *
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR                                                               *
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,                                                                 *
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                                 *
 * **************************************************************************************************************************************************************************/

#include "threadcontext.h"

// std
#include <thread>

using namespace osdev::components;

ThreadContextScope::ThreadContextScope(const QString& _context)
    : m_previousContext(ThreadContext::instance().context())
{
    ThreadContext::instance().setContext(_context);
}

ThreadContextScope::~ThreadContextScope()
{
    ThreadContext::instance().setContext(m_previousContext);
}

// static
ThreadContext& ThreadContext::instance()
{
    static thread_local ThreadContext tc;
    return tc;
}

ThreadContext::ThreadContext()
    : m_context("default")
{
}