68 lines
1.3 KiB
C++
68 lines
1.3 KiB
C++
/*
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* \brief Locks (i.e., mutex)
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* \author Christian Helmuth
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* \date 2008-08-15
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*
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* Open issues:
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*
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* - What about slabs for locks?
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*/
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/*
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* Copyright (C) 2008-2013 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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#include <base/env.h>
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#include <base/lock.h>
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#include <base/printf.h>
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extern "C" {
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#include <dde_kit/lock.h>
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}
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struct dde_kit_lock { };
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extern "C" void dde_kit_lock_init(struct dde_kit_lock **out_lock)
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{
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try {
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*out_lock = reinterpret_cast<struct dde_kit_lock *>
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(new (Genode::env()->heap()) Genode::Lock());
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} catch (...) {
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PERR("lock creation failed");
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}
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}
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extern "C" void dde_kit_lock_deinit(struct dde_kit_lock *lock)
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{
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try {
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destroy(Genode::env()->heap(), reinterpret_cast<Genode::Lock *>(lock));
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} catch (...) { }
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}
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extern "C" void dde_kit_lock_lock(struct dde_kit_lock *lock)
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{
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reinterpret_cast<Genode::Lock *>(lock)->lock();
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}
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extern "C" int dde_kit_lock_try_lock(struct dde_kit_lock *lock)
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{
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PERR("not implemented - will potentially block");
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reinterpret_cast<Genode::Lock *>(lock)->lock();
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/* success */
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return 0;
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}
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extern "C" void dde_kit_lock_unlock(struct dde_kit_lock *lock)
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{
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reinterpret_cast<Genode::Lock *>(lock)->unlock();
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}
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