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17c79a9e23
Besides adapting the components to the use of base/log.h, the patch cleans up a few base headers, i.e., it removes unused includes from root/component.h, specifically base/heap.h and ram_session/ram_session.h. Hence, components that relied on the implicit inclusion of those headers have to manually include those headers now. While adjusting the log messages, I repeatedly stumbled over the problem that printing char * arguments is ambiguous. It is unclear whether to print the argument as pointer or null-terminated string. To overcome this problem, the patch introduces a new type 'Cstring' that allows the caller to express that the argument should be handled as null-terminated string. As a nice side effect, with this type in place, the optional len argument of the 'String' class could be removed. Instead of supplying a pair of (char const *, size_t), the constructor accepts a 'Cstring'. This, in turn, clears the way let the 'String' constructor use the new output mechanism to assemble a string from multiple arguments (and thereby getting rid of snprintf within Genode in the near future). To enforce the explicit resolution of the char * ambiguity, the 'char *' overload of the 'print' function is marked as deleted. Issue #1987
60 lines
1.2 KiB
C++
60 lines
1.2 KiB
C++
/*
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* \brief Noux-session client interface
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* \author Norman Feske
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* \date 2011-02-15
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*/
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/*
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* Copyright (C) 2011-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__NOUX_SESSION__CLIENT_H_
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#define _INCLUDE__NOUX_SESSION__CLIENT_H_
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#include <noux_session/noux_session.h>
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#include <noux_session/capability.h>
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#include <base/rpc_client.h>
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#include <base/log.h>
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namespace Noux {
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struct Session_client : Rpc_client<Session>
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{
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explicit Session_client(Session_capability session)
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: Rpc_client<Session>(session) { }
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Dataspace_capability sysio_dataspace()
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{
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return call<Rpc_sysio_dataspace>();
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}
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bool syscall(Syscall sc)
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{
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static bool verbose = false;
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bool result = call<Rpc_syscall>(sc);
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if ((result == false) && verbose)
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error("syscall ", syscall_name(sc), " failed");
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return result;
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}
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int next_open_fd(int start_fd)
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{
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return call<Rpc_next_open_fd>(start_fd);
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}
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Capability<Region_map> lookup_region_map(addr_t const addr)
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{
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return call<Rpc_lookup_region_map>(addr);
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}
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};
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}
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#endif /* _INCLUDE__NOUX_SESSION__CLIENT_H_ */
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