main.cpp

Go to the documentation of this file.

/*
 * SPDX-FileCopyrightText: 2019-2026 Jochem Rutgers
 *
 * SPDX-License-Identifier: 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;
}
 
__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 = EXIT_SUCCESS;
        try {
                zth::Worker w;
                zth::fiber_future<int> f =
                        zth::fiber(main_fiber, argc, argv) << zth::setName(
                                zth::Config::EnableDebugPrint || zth::Config::EnablePerfEvent
                                                || zth::Config::EnableStackWaterMark
                                        ? "main_fiber"
                                        : nullptr);
 
                w.run();
 
                if(!f.get().valid()) {
                        zth_dbg(thread, "main_fiber() did not exit normally");
                        res = EXIT_FAILURE;
                } else {
                        res = *f;
                }
#ifdef __cpp_exceptions
        } catch(zth::errno_exception const& e) {
                zth_dbg(thread, "main() caught exception with errno %d", e.code);
                res = EXIT_FAILURE;
        } catch(std::exception const& e) {
                zth_dbg(thread, "main() caught exception: %s", e.what());
                res = EXIT_FAILURE;
#endif
        } catch(...) {
                zth_dbg(thread, "main() caught unknown exception");
                res = EXIT_FAILURE;
        }
 
        zth_dbg(thread, "main() returns %d", res);
 
        int res_post = zth_postdeinit();
        // cppcheck-suppress knownConditionTrueFalse
        if(res_post)
                res = res_post;
 
        return res;
}