55 lines
1.0 KiB
C
55 lines
1.0 KiB
C
#ifndef MARS_NWE_CORE_SPINLOCK_H
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#define MARS_NWE_CORE_SPINLOCK_H
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#include <pthread.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Linux userspace backend for NSS runtime spin locks.
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*
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* The imported NSS common-layer headers were written for NetWare/NLM and
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* Linux-kernel style spinlock APIs. mars-nwe now targets Linux userspace, so
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* keep the primitive in libnwcore and map it directly to POSIX pthread
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* spinlocks instead of carrying a fake NWFS-local shim.
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*/
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typedef pthread_spinlock_t spinlock_t;
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static inline void
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spin_lock_init(spinlock_t *lock)
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{
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(void)pthread_spin_init(lock, PTHREAD_PROCESS_PRIVATE);
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}
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static inline void
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spin_lock_destroy(spinlock_t *lock)
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{
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(void)pthread_spin_destroy(lock);
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}
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static inline void
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spin_lock(spinlock_t *lock)
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{
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(void)pthread_spin_lock(lock);
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}
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static inline void
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spin_unlock(spinlock_t *lock)
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{
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(void)pthread_spin_unlock(lock);
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}
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static inline int
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spin_trylock(spinlock_t *lock)
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{
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return pthread_spin_trylock(lock) == 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* MARS_NWE_CORE_SPINLOCK_H */
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