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68 lines
1.4 KiB
C++
68 lines
1.4 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) 2011-2013 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__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/native_types.h>
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#include <base/thread.h>
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namespace Hw {
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extern Genode::Untyped_capability _main_thread_cap;
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}
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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() {
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Kernel::yield_thread(Kernel::cap_id_invalid()); }
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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_base * const t)
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{
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return t ? t->tid().cap.dst() : Hw::_main_thread_cap.dst();
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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_base * const t)
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{
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Kernel::yield_thread(native_thread_id(t));
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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_base * const t)
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{
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return Kernel::resume_local_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() { Kernel::pause_current_thread(); }
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#endif /* _INCLUDE__BASE__INTERNAL__LOCK_HELPER_H_ */
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