threading.cpp

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Author: Liam White
 * Copyright (C) 2024 Authors
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#include "threading.h"
 
#include <atomic>
#include <mutex>
 
#include "dispatch-pool.h"
 
namespace Inkscape {
 
namespace {
 
std::mutex g_dispatch_lock;
 
std::shared_ptr<dispatch_pool> g_dispatch_pool;
std::atomic<int> g_num_dispatch_threads = 4;
 
} // namespace
 
void set_num_dispatch_threads(int num_dispatch_threads)
{
    g_num_dispatch_threads.store(num_dispatch_threads, std::memory_order_relaxed);
}
void set_num_dispatch_threads(int num_dispatch_threads) {…}
 
std::shared_ptr<dispatch_pool> get_global_dispatch_pool()
{
    int const num_threads = g_num_dispatch_threads.load(std::memory_order_relaxed);
 
    std::scoped_lock lk(g_dispatch_lock);
 
    if (g_dispatch_pool && num_threads == g_dispatch_pool->size()) {
        return g_dispatch_pool;
    }
 
    g_dispatch_pool = std::make_shared<dispatch_pool>(num_threads);
    return g_dispatch_pool;
}
std::shared_ptr<dispatch_pool> get_global_dispatch_pool() {…}
 
} // namespace Inkscape
 
/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :