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a7b3072cc2
This patch supplements each existing connection type with an new constructor that is meant to replace the original one. The new one takes a reference to the component's environment as argument and thereby does not rely on the presence of the globally accessible 'env()' interface. The original constructors are marked as deprecated. Once we have completely abolished the use of the global 'env()', we will remove them. Fixes #1960
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/*
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* \brief Connection to audio service
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* \author Sebastian Sumpf
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* \date 2012-12-20
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*/
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/*
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* Copyright (C) 2012-2013 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__AUDIO_OUT_SESSION__CONNECTION_H_
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#define _INCLUDE__AUDIO_OUT_SESSION__CONNECTION_H_
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#include <audio_out_session/client.h>
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#include <base/connection.h>
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#include <base/allocator.h>
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namespace Audio_out { struct Connection; }
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struct Audio_out::Connection : Genode::Connection<Session>, Audio_out::Session_client
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{
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Capability<Audio_out::Session> _session(Genode::Parent &parent, char const *channel)
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{
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return session(parent, "ram_quota=%zd, channel=\"%s\"",
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2*4096 + sizeof(Stream), channel);
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}
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/**
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* Constructor
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*
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* \param channel channel identifier (e.g., "front left")
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* \param alloc_signal install 'alloc_signal', the client may then use
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* 'wait_for_alloc' when the stream is full
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* \param progress_signal install progress signal, the client may then
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* call 'wait_for_progress', which is sent when the
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* server processed one or more packets
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*/
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Connection(Genode::Env &env,
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char const *channel,
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bool alloc_signal = true,
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bool progress_signal = false)
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:
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Genode::Connection<Session>(env, _session(env.parent(), channel)),
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Session_client(cap(), alloc_signal, progress_signal)
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{ }
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/**
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* Constructor
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*
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* \noapi
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* \deprecated Use the constructor with 'Env &' as first
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* argument instead
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*/
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Connection(const char *channel,
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bool alloc_signal = true,
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bool progress_signal = false)
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:
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Genode::Connection<Session>(_session(*Genode::env()->parent(), channel)),
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Session_client(cap(), alloc_signal, progress_signal)
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{ }
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};
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#endif /* _INCLUDE__AUDIO_OUT_SESSION__CONNECTION_H_ */
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