main.cpp

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/*
 * Zth (libzth), a cooperative userspace multitasking library.
 * Copyright (C) 2019-2022  Jochem Rutgers
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#include <libzth/async.h>
#include <libzth/config.h>
#include <libzth/worker.h>
 
__attribute__((weak)) int main_fiber(int UNUSED_PAR(argc), char** UNUSED_PAR(argv))
{
        return 0;
}
#ifndef DOXYGEN
zth_fiber(main_fiber);
#endif
 
__attribute__((weak)) void zth_preinit() {}
 
__attribute__((weak)) int zth_postdeinit()
{
        return 0;
}
 
#ifndef ZTH_OS_WINDOWS
__attribute__((weak))
#endif
int main(int argc, char** argv)
{
        zth_preinit();
        zth_dbg(thread, "main()");
 
        int res = 0;
        {
                zth::Worker w;
                main_fiber_future f =
                        async main_fiber(argc, argv) << zth::setName(
                                zth::Config::EnableDebugPrint || zth::Config::EnablePerfEvent
                                                || zth::Config::EnableStackWaterMark
                                        ? "main_fiber"
                                        : nullptr);
 
                w.run();
                if(f->valid())
                        res = f->value();
        }
 
        zth_dbg(thread, "main() returns %d", res);
 
        int res_post = zth_postdeinit();
        // cppcheck-suppress knownConditionTrueFalse
        if(res_post)
                res = res_post;
 
        return res;
}