genode/base-linux/src/core/include/platform_thread.h

105 lines
2.0 KiB
C++

/*
* \brief Linux thread facility
* \author Norman Feske
* \date 2006-06-13
*
* Pretty dumb.
*/
/*
* Copyright (C) 2006-2012 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.
*/
#ifndef _CORE__INCLUDE__LINUX__PLATFORM_THREAD_H_
#define _CORE__INCLUDE__LINUX__PLATFORM_THREAD_H_
#include <base/pager.h>
#include <base/thread_state.h>
#include <cpu_session/cpu_session.h>
namespace Genode {
class Platform_thread
{
private:
unsigned long _tid;
unsigned long _pid;
char _name[32];
/**
* Unix-domain socket pair bound to the thread
*/
Native_connection_state _ncs;
public:
/**
* Constructor
*/
Platform_thread(const char *name, unsigned priority, addr_t);
~Platform_thread();
/**
* Cancel currently blocking operation
*/
void cancel_blocking();
/**
* Pause this thread
*/
void pause();
/**
* Resume this thread
*/
void resume();
/**
* Dummy implementation of platform-thread interface
*/
Pager_object *pager() { return 0; }
void pager(Pager_object *) { }
int start(void *ip, void *sp) { return 0; }
Thread_state state()
{
PDBG("Not implemented");
throw Cpu_session::State_access_failed();
}
void state(Thread_state)
{
PDBG("Not implemented");
throw Cpu_session::State_access_failed();
}
const char *name() { return _name; }
void affinity(unsigned) { }
/**
* Register process ID and thread ID of thread
*/
void thread_id(int pid, int tid) { _pid = pid, _tid = tid; }
/**
* Return client-side socket descriptor
*
* For more information, please refer to the comments in
* 'linux_cpu_session/linux_cpu_session.h'.
*/
int client_sd();
/**
* Return server-side socket descriptor
*/
int server_sd();
};
}
#endif /* _CORE__INCLUDE__LINUX__PLATFORM_THREAD_H_ */