/* * \brief Log text output session interface * \author Norman Feske * \date 2006-09-15 */ /* * Copyright (C) 2006-2017 Genode Labs GmbH * * This file is part of the Genode OS framework, which is distributed * under the terms of the GNU Affero General Public License version 3. */ #ifndef _INCLUDE__LOG_SESSION__LOG_SESSION_H_ #define _INCLUDE__LOG_SESSION__LOG_SESSION_H_ #include #include #include #include namespace Genode { struct Log_session; struct Log_session_client; } struct Genode::Log_session : Session { /** * \noapi */ static const char *service_name() { return "LOG"; } /* * A LOG connection consumes a dataspace capability for the session-object * allocation and its session capability. */ enum { CAP_QUOTA = 2 }; typedef Log_session_client Client; virtual ~Log_session() { } /* the lowest platform-specific maximum IPC payload size (OKL4) */ enum { MAX_STRING_LEN = 232 }; typedef Rpc_in_buffer String; /** * Output null-terminated string * * \return number of written characters */ virtual size_t write(String const &string) = 0; /********************* ** RPC declaration ** *********************/ GENODE_RPC(Rpc_write, size_t, write, String const &); GENODE_RPC_INTERFACE(Rpc_write); }; #endif /* _INCLUDE__LOG_SESSION__LOG_SESSION_H_ */