genode/base-linux/src/core/thread_linux.cc

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/*
* \brief Implementation of the core-internal Thread API via Linux threads
* \author Norman Feske
* \date 2006-06-13
*/
/*
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* Copyright (C) 2006-2012 Genode Labs GmbH
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*
* 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/sleep.h>
/* Linux syscall bindings */
#include <linux_syscalls.h>
using namespace Genode;
static void empty_signal_handler(int) { }
static void thread_start(void *)
{
/*
* Set signal handler such that canceled system calls get not
* transparently retried after a signal gets received.
*/
lx_sigaction(LX_SIGUSR1, empty_signal_handler);
Thread_base::myself()->entry();
sleep_forever();
}
void Thread_base::_init_platform_thread() { }
void Thread_base::_deinit_platform_thread() { }
void Thread_base::start()
{
/* align initial stack to 16 byte boundary */
void *thread_sp = (void *)((addr_t)(_context->stack) & ~0xf);
_tid.tid = lx_create_thread(thread_start, thread_sp, this);
_tid.pid = lx_getpid();
}
void Thread_base::cancel_blocking() { }