sys/sys/mutex.h

66  * State bits kept in mutex->mtx_lock, for the DEFAULT lock type. None of this,
166  * failing compilation as the mtx_lock reserved member will not be found.
169 	_mtx_init(&(m)->mtx_lock, n, t, o)
171 	_mtx_destroy(&(m)->mtx_lock)
173 	_mtx_trylock_flags_(&(m)->mtx_lock, o, f, l)
176 	__mtx_lock_sleep(&(m)->mtx_lock, v, o, f, l)
178 	__mtx_unlock_sleep(&(m)->mtx_lock, v, o, f, l)
181 	__mtx_lock_sleep(&(m)->mtx_lock, v)
183 	__mtx_unlock_sleep(&(m)->mtx_lock, v)
188 	_mtx_lock_spin_cookie(&(m)->mtx_lock, v, o, f, l)
191 	_mtx_lock_spin_cookie(&(m)->mtx_lock, v)
195 	__mtx_lock_flags(&(m)->mtx_lock, o, f, l)
197 	__mtx_unlock_flags(&(m)->mtx_lock, o, f, l)
199 	__mtx_lock_spin_flags(&(m)->mtx_lock, o, f, l)
201 	__mtx_trylock_spin_flags(&(m)->mtx_lock, o, f, l)
203 	__mtx_unlock_spin_flags(&(m)->mtx_lock, o, f, l)
206 	__mtx_assert(&(m)->mtx_lock, w, f, l)
211 /* Very simple operations on mtx_lock. */
213 /* Try to obtain mtx_lock once. */
215 	atomic_cmpset_acq_ptr(&(mp)->mtx_lock, MTX_UNOWNED, (tid))
218 	atomic_fcmpset_acq_ptr(&(mp)->mtx_lock, vp, (tid))
220 /* Try to release mtx_lock if it is unrecursed and uncontested. */
222 	atomic_cmpset_rel_ptr(&(mp)->mtx_lock, (tid), MTX_UNOWNED)
224 /* Release mtx_lock quickly, assuming we own it. */
226 	atomic_store_rel_ptr(&(mp)->mtx_lock, MTX_UNOWNED)
229 	atomic_fcmpset_rel_ptr(&(mp)->mtx_lock, (vp), MTX_UNOWNED)
270 	if (((mp)->mtx_lock != MTX_UNOWNED || !_mtx_obtain_lock((mp), _tid))) {\
285 	if ((mp)->mtx_lock == _tid)					\
288 		KASSERT((mp)->mtx_lock == MTX_UNOWNED, ("corrupt spinlock")); \
289 		(mp)->mtx_lock = _tid;					\
298 	if ((mp)->mtx_lock != MTX_UNOWNED) {				\
302 		(mp)->mtx_lock = _tid;					\
345 		(mp)->mtx_lock = MTX_UNOWNED;				\
354  * mtx_lock(m) locks MTX_DEF mutex `m'
386 #define mtx_lock(m)		mtx_lock_flags((m), 0)
400 	mtx_lock(mtx_pool_find((pool), (ptr)))
470 #define	MTX_READ_VALUE(m)	((m)->mtx_lock)
514 			mtx_lock(&Giant);				\
535 	    _mtx_destroy, __DEVOLATILE(void *, &(mtx)->mtx_lock))