69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
/*
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* \brief Helper functions for the lock implementation
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* \author Martin Stein
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* \date 2011-01-02
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*/
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/*
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* Copyright (C) 2011-2017 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 Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__BASE__INTERNAL__LOCK_HELPER_H_
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#define _INCLUDE__BASE__INTERNAL__LOCK_HELPER_H_
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/* Genode includes */
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#include <base/thread.h>
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/* base-internal includes */
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#include <base/internal/capability_space.h>
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namespace Hw { extern Genode::Untyped_capability _main_thread_cap; }
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/**
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* Yield execution time-slice of current thread
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*/
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static inline void thread_yield() { Kernel::yield_thread(); }
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/**
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* Return kernel name of thread t
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*/
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static inline Kernel::capid_t
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native_thread_id(Genode::Thread * const t)
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{
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using Genode::Capability_space::capid;
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return t ? capid(t->native_thread().cap) : capid(Hw::_main_thread_cap);
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}
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/**
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* Yield execution time-slice of current thread to thread t
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*/
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static inline void thread_switch_to(Genode::Thread *)
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{
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Kernel::yield_thread();
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}
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/**
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* Resume thread t and return wether t was paused or not
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*/
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static inline bool
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thread_check_stopped_and_restart(Genode::Thread * const t)
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{
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return Kernel::restart_thread(native_thread_id(t));
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}
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/**
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* Pause execution of current thread
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*/
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static inline void thread_stop_myself(Genode::Thread *) { Kernel::stop_thread(); }
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#endif /* _INCLUDE__BASE__INTERNAL__LOCK_HELPER_H_ */
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