genode/repos/base-codezero/src/base/thread/thread_start.cc

77 lines
1.7 KiB
C++

/*
* \brief NOVA-specific implementation of the Thread API
* \author Norman Feske
* \date 2010-01-19
*/
/*
* Copyright (C) 2010-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <base/thread.h>
#include <base/printf.h>
#include <base/sleep.h>
#include <base/env.h>
/* Codezero includes */
#include <codezero/syscalls.h>
using namespace Genode;
/**
* Entry point entered by new threads
*/
void Thread_base::_thread_start()
{
Thread_base::myself()->_thread_bootstrap();
Thread_base::myself()->entry();
Thread_base::myself()->_join_lock.unlock();
Genode::sleep_forever();
}
/*****************
** Thread base **
*****************/
void Thread_base::_deinit_platform_thread()
{
_cpu_session->kill_thread(_thread_cap);
env()->rm_session()->remove_client(_pager_cap);
}
void Thread_base::start()
{
/* if no cpu session is given, use it from the environment */
if (!_cpu_session)
_cpu_session = env()->cpu_session();
/* create thread at core */
char buf[48];
name(buf, sizeof(buf));
_thread_cap = _cpu_session->create_thread(buf);
/* assign thread to protection domain */
env()->pd_session()->bind_thread(_thread_cap);
/* create new pager object and assign it to the new thread */
_pager_cap = env()->rm_session()->add_client(_thread_cap);
_cpu_session->set_pager(_thread_cap, _pager_cap);
/* register initial IP and SP at core */
_cpu_session->start(_thread_cap, (addr_t)_thread_start, _context->stack_top());
}
void Thread_base::cancel_blocking()
{
Codezero::l4_mutex_unlock(utcb()->running_lock());
_cpu_session->cancel_blocking(_thread_cap);
}