mirror of
https://github.com/genodelabs/genode.git
synced 2024-12-27 09:12:32 +00:00
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
|
/*
|
||
|
|
* \brief Linux-specific extension of the CPU session interface
|
||
|
|
* \author Norman Feske
|
||
|
|
* \date 2012-08-09
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copyright (C) 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 _INCLUDE__LINUX_CPU_SESSION__LINUX_CPU_SESSION_H_
|
||
|
|
#define _INCLUDE__LINUX_CPU_SESSION__LINUX_CPU_SESSION_H_
|
||
|
|
|
||
|
|
#include <cpu_session/cpu_session.h>
|
||
|
|
|
||
|
|
namespace Genode {
|
||
|
|
|
||
|
|
struct Linux_cpu_session : Cpu_session
|
||
|
|
{
|
||
|
|
virtual ~Linux_cpu_session() { }
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register Linux PID and TID of the specified thread
|
||
|
|
*/
|
||
|
|
virtual void thread_id(Thread_capability, int pid, int tid) = 0;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If a thread plays the role of an entrypoint, core creates a bound
|
||
|
|
* socket pair for the thread and passes both makes the socket
|
||
|
|
* descriptors of both ends available to the owner of the thread's
|
||
|
|
* CPU session via the 'server_sd' and 'client_sd' function.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Request server-side socket descriptor
|
||
|
|
*
|
||
|
|
* The socket descriptor returned by this function is meant to be used
|
||
|
|
* exclusively by the server for receiving incoming requests. It should
|
||
|
|
* never leave the server process.
|
||
|
|
*/
|
||
|
|
virtual Untyped_capability server_sd(Thread_capability thread) = 0;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Request client-side socket descriptor
|
||
|
|
*
|
||
|
|
* The returned socket descriptor enables a client to send messages to
|
||
|
|
* the thread. It is already connected to the 'server_sd' descriptor.
|
||
|
|
* In contrast to 'server_sd', the 'client_sd' is expected to be passed
|
||
|
|
* around via capability delegations.
|
||
|
|
*/
|
||
|
|
virtual Untyped_capability client_sd(Thread_capability thread) = 0;
|
||
|
|
|
||
|
|
|
||
|
|
/*********************
|
||
|
|
** RPC declaration **
|
||
|
|
*********************/
|
||
|
|
|
||
|
|
GENODE_RPC(Rpc_thread_id, void, thread_id, Thread_capability, int, int);
|
||
|
|
GENODE_RPC(Rpc_server_sd, Untyped_capability, server_sd, Thread_capability);
|
||
|
|
GENODE_RPC(Rpc_client_sd, Untyped_capability, client_sd, Thread_capability);
|
||
|
|
|
||
|
|
GENODE_RPC_INTERFACE_INHERIT(Cpu_session,
|
||
|
|
Rpc_thread_id, Rpc_server_sd, Rpc_client_sd);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _INCLUDE__LINUX_CPU_SESSION__LINUX_CPU_SESSION_H_ */
|