genode/ports/include/noux_session/noux_session.h
Martin Stein c2af646ad8 noux: Noux_connection::context_area_rm_session()
This enables a forked process to update the capability of its
context area RM session.

ref #989
2014-02-25 14:58:04 +01:00

179 lines
4.4 KiB
C++

/*
* \brief Noux session interface
* \author Norman Feske
* \date 2011-02-15
*/
/*
* Copyright (C) 2011-2013 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.
*/
#ifndef _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_
#define _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_
#include <base/stdint.h>
#include <session/session.h>
#include <dataspace/capability.h>
#include <rm_session/capability.h>
#define NOUX_DECL_SYSCALL_NAME(name) \
case SYSCALL_##name: return #name;
namespace Noux {
using namespace Genode;
struct Session : Genode::Session
{
static const char *service_name() { return "Noux"; }
virtual ~Session() { }
virtual Dataspace_capability sysio_dataspace() = 0;
/**
* Return leaf RM session that covers a given address
*
* \param addr address that is covered by the requested RM session
*/
virtual Rm_session_capability lookup_rm_session(addr_t const addr) = 0;
enum Syscall {
SYSCALL_WRITE,
SYSCALL_READ,
SYSCALL_STAT,
SYSCALL_LSTAT,
SYSCALL_FSTAT,
SYSCALL_FTRUNCATE,
SYSCALL_FCNTL,
SYSCALL_OPEN,
SYSCALL_CLOSE,
SYSCALL_IOCTL,
SYSCALL_LSEEK,
SYSCALL_DIRENT,
SYSCALL_EXECVE,
SYSCALL_SELECT,
SYSCALL_FORK,
SYSCALL_GETPID,
SYSCALL_WAIT4,
SYSCALL_PIPE,
SYSCALL_DUP2,
SYSCALL_UNLINK,
SYSCALL_READLINK,
SYSCALL_RENAME,
SYSCALL_MKDIR,
SYSCALL_SYMLINK,
SYSCALL_SOCKET,
SYSCALL_GETSOCKOPT,
SYSCALL_SETSOCKOPT,
SYSCALL_ACCEPT,
SYSCALL_BIND,
SYSCALL_LISTEN,
SYSCALL_SEND,
SYSCALL_SENDTO,
SYSCALL_RECV,
SYSCALL_RECVFROM,
SYSCALL_GETPEERNAME,
SYSCALL_SHUTDOWN,
SYSCALL_CONNECT,
SYSCALL_USERINFO,
SYSCALL_GETTIMEOFDAY,
SYSCALL_CLOCK_GETTIME,
SYSCALL_UTIMES,
SYSCALL_SYNC,
SYSCALL_KILL,
SYSCALL_INVALID = -1
};
static char const *syscall_name(Syscall sc)
{
switch (sc) {
NOUX_DECL_SYSCALL_NAME(WRITE)
NOUX_DECL_SYSCALL_NAME(READ)
NOUX_DECL_SYSCALL_NAME(STAT)
NOUX_DECL_SYSCALL_NAME(LSTAT)
NOUX_DECL_SYSCALL_NAME(FSTAT)
NOUX_DECL_SYSCALL_NAME(FTRUNCATE)
NOUX_DECL_SYSCALL_NAME(FCNTL)
NOUX_DECL_SYSCALL_NAME(OPEN)
NOUX_DECL_SYSCALL_NAME(CLOSE)
NOUX_DECL_SYSCALL_NAME(IOCTL)
NOUX_DECL_SYSCALL_NAME(LSEEK)
NOUX_DECL_SYSCALL_NAME(DIRENT)
NOUX_DECL_SYSCALL_NAME(EXECVE)
NOUX_DECL_SYSCALL_NAME(SELECT)
NOUX_DECL_SYSCALL_NAME(FORK)
NOUX_DECL_SYSCALL_NAME(GETPID)
NOUX_DECL_SYSCALL_NAME(WAIT4)
NOUX_DECL_SYSCALL_NAME(PIPE)
NOUX_DECL_SYSCALL_NAME(DUP2)
NOUX_DECL_SYSCALL_NAME(UNLINK)
NOUX_DECL_SYSCALL_NAME(READLINK)
NOUX_DECL_SYSCALL_NAME(RENAME)
NOUX_DECL_SYSCALL_NAME(MKDIR)
NOUX_DECL_SYSCALL_NAME(SYMLINK)
NOUX_DECL_SYSCALL_NAME(SOCKET)
NOUX_DECL_SYSCALL_NAME(GETSOCKOPT)
NOUX_DECL_SYSCALL_NAME(SETSOCKOPT)
NOUX_DECL_SYSCALL_NAME(ACCEPT)
NOUX_DECL_SYSCALL_NAME(BIND)
NOUX_DECL_SYSCALL_NAME(LISTEN)
NOUX_DECL_SYSCALL_NAME(SEND)
NOUX_DECL_SYSCALL_NAME(SENDTO)
NOUX_DECL_SYSCALL_NAME(RECV)
NOUX_DECL_SYSCALL_NAME(RECVFROM)
NOUX_DECL_SYSCALL_NAME(GETPEERNAME)
NOUX_DECL_SYSCALL_NAME(SHUTDOWN)
NOUX_DECL_SYSCALL_NAME(CONNECT)
NOUX_DECL_SYSCALL_NAME(USERINFO)
NOUX_DECL_SYSCALL_NAME(GETTIMEOFDAY)
NOUX_DECL_SYSCALL_NAME(CLOCK_GETTIME)
NOUX_DECL_SYSCALL_NAME(UTIMES)
NOUX_DECL_SYSCALL_NAME(SYNC)
NOUX_DECL_SYSCALL_NAME(KILL)
case SYSCALL_INVALID: return 0;
}
return 0;
}
/**
* Perform syscall
*
* The syscall arguments and results are communicated via the shared
* sysio dataspace.
*
* \return true on success
*/
virtual bool syscall(Syscall syscall) = 0;
/*
* Return the next open file descriptor, starting from (and including)
* 'start_fd'.
*
* \return the next open file descriptor or -1
*/
virtual int next_open_fd(int start_fd) = 0;
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_sysio_dataspace, Dataspace_capability, sysio_dataspace);
GENODE_RPC(Rpc_lookup_rm_session, Rm_session_capability,
lookup_rm_session, addr_t);
GENODE_RPC(Rpc_syscall, bool, syscall, Syscall);
GENODE_RPC(Rpc_next_open_fd, int, next_open_fd, int);
GENODE_RPC_INTERFACE(Rpc_sysio_dataspace, Rpc_lookup_rm_session,
Rpc_syscall, Rpc_next_open_fd);
};
}
#undef NOUX_DECL_SYSCALL_NAME
#endif /* _INCLUDE__NOUX_SESSION__NOUX_SESSION_H_ */