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/* Self tests for run_on_main_thread
Copyright (C) 2019-2023 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
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 "defs.h"
#include "gdbsupport/selftest.h"
#include "gdbsupport/block-signals.h"
#include "gdbsupport/scope-exit.h"
#include "run-on-main-thread.h"
#include "gdbsupport/event-loop.h"
#if CXX_STD_THREAD
#include <thread>
#endif
namespace selftests {
namespace main_thread_tests {
#if CXX_STD_THREAD
static bool done;
static void
set_done ()
{
run_on_main_thread ([] ()
{
done = true;
});
}
static void
run_tests ()
{
std::thread thread;
done = false;
{
gdb::block_signals blocker;
SCOPE_EXIT
{
if (thread.joinable ())
thread.join ();
};
thread = std::thread (set_done);
}
while (!done && gdb_do_one_event () >= 0)
;
/* Actually the test will just hang, but we want to test
something. */
SELF_CHECK (done);
}
#endif
}
}
void _initialize_main_thread_selftests ();
void
_initialize_main_thread_selftests ()
{
#if CXX_STD_THREAD
selftests::register_test ("run_on_main_thread",
selftests::main_thread_tests::run_tests);
#endif
}
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