/*
 * Copyright © Canonical Ltd.
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 or 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <mir/test/current_thread_name.h>

#include <pthread.h>

#ifdef MIR_DONT_USE_PTHREAD_GETNAME_NP
#include <stdexcept>
#endif

std::string mir::test::current_thread_name()
{
#ifndef MIR_DONT_USE_PTHREAD_GETNAME_NP
    static size_t const max_thread_name_size = 16;
    char thread_name[max_thread_name_size];

    pthread_getname_np(pthread_self(), thread_name, sizeof thread_name);

    return {thread_name};
#else
    throw std::logic_error("mir::test::current_thread_name() is not supported on this system");
#endif
}
