43 lines
976 B
C
43 lines
976 B
C
#ifndef __XFS_SUPPORT_SPIN_H__
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#define __XFS_SUPPORT_SPIN_H__
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#define SPLDECL(s) register_t s
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/*
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* Map the spinlocks from IRIX to FreeBSD
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*/
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#define spinlock_init(lock, name) mtx_init(lock, name, NULL, MTX_DEF)
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#define spinlock_destroy(lock) mtx_destroy(lock)
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/*
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* Map lock_t from IRIX to FreeBSD mutexes
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*/
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typedef struct mtx lock_t;
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#define nested_spinunlock(lock) mtx_unlock(lock)
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#define nested_spinlock(lock) mtx_lock(lock)
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#define nested_spintrylock(lock) mtx_trylock(lock)
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#define spin_lock(lock) mtx_lock(lock)
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#define spin_unlock(lock) mtx_unlock(lock)
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#if LOCK_DEBUG > 0
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#define mutex_spinlock(lock) (spin_lock(lock),0)
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#else
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static __inline register_t
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mutex_spinlock(lock_t *lock) { mtx_lock(lock); return 0; }
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#endif
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#define mutex_spinunlock(lock, s) \
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do { \
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spin_unlock(lock); \
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if (s != 0) {} \
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} while (0)
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#endif /* __XFS_SUPPORT_SPIN_H__ */
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