sys/sys/mutex.h

64  * State bits kept in mutex->mtx_lock, for the DEFAULT lock type. None of this,
73  * Value stored in mutex->mtx_lock to denote a destroyed mutex.
132  * failing compilation as the mtx_lock reserved member will not be found.
135 	_mtx_init(&(m)->mtx_lock, n, t, o)
137 	_mtx_destroy(&(m)->mtx_lock)
139 	_mtx_trylock_flags_(&(m)->mtx_lock, o, f, l)
141 	__mtx_lock_sleep(&(m)->mtx_lock, t, o, f, l)
143 	__mtx_unlock_sleep(&(m)->mtx_lock, o, f, l)
146 	_mtx_lock_spin_cookie(&(m)->mtx_lock, t, o, f, l)
149 	__mtx_lock_flags(&(m)->mtx_lock, o, f, l)
151 	__mtx_unlock_flags(&(m)->mtx_lock, o, f, l)
153 	__mtx_lock_spin_flags(&(m)->mtx_lock, o, f, l)
155 	__mtx_unlock_spin_flags(&(m)->mtx_lock, o, f, l)
158 	__mtx_assert(&(m)->mtx_lock, w, f, l)
163 /* Very simple operations on mtx_lock. */
165 /* Try to obtain mtx_lock once. */
167 	atomic_cmpset_acq_ptr(&(mp)->mtx_lock, MTX_UNOWNED, (tid))
169 /* Try to release mtx_lock if it is unrecursed and uncontested. */
171 	atomic_cmpset_rel_ptr(&(mp)->mtx_lock, (tid), MTX_UNOWNED)
173 /* Release mtx_lock quickly, assuming we own it. */
175 	atomic_store_rel_ptr(&(mp)->mtx_lock, MTX_UNOWNED)
206 		if ((mp)->mtx_lock == _tid)				\
219 	if ((mp)->mtx_lock == _tid)					\
222 		KASSERT((mp)->mtx_lock == MTX_UNOWNED, ("corrupt spinlock")); \
223 		(mp)->mtx_lock = _tid;					\
264 		(mp)->mtx_lock = MTX_UNOWNED;				\
273  * mtx_lock(m) locks MTX_DEF mutex `m'
301 #define mtx_lock(m)		mtx_lock_flags((m), 0)
314 	mtx_lock(mtx_pool_find((pool), (ptr)))
384 #define mtx_owned(m)	(((m)->mtx_lock & ~MTX_FLAGMASK) == (uintptr_t)curthread)
424 			mtx_lock(&Giant);				\
444 	    _mtx_destroy, __DEVOLATILE(void *, &(mtx)->mtx_lock))