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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert, R. Belmont
//============================================================
//
// watchdog.c - watchdog handling
//
// SDLMAME by Olivier Galibert and R. Belmont
//
//============================================================
#include "osdcomm.h"
#include "osdcore.h"
#include "eminline.h"
#include "watchdog.h"
#include "modules/lib/osdlib.h"
#include <cstdio>
osd_watchdog::osd_watchdog()
: m_timeout(60 * osd_ticks_per_second())
, m_event(1, 0)
, m_do_exit()
, m_thread()
{
m_thread.reset(new std::thread(&osd_watchdog::watchdog_thread, this));
}
osd_watchdog::~osd_watchdog()
{
m_do_exit = 1;
m_event.set();
m_thread->join();
}
void osd_watchdog::setTimeout(int timeout)
{
m_timeout = timeout * osd_ticks_per_second();
reset();
}
void *osd_watchdog::watchdog_thread(void *param)
{
osd_watchdog *const thiz(reinterpret_cast<osd_watchdog *>(param));
while (true)
{
if (thiz->wait())
{
if (thiz->do_exit())
break;
else
thiz->clear_event();
}
else
{
std::fflush(stdout);
std::fprintf(stderr, "Terminating due to watchdog timeout\n");
std::fflush(stderr);
osd_process_kill();
}
}
return nullptr;
}
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