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Rev 3391 Rev 5056
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static inline int mutex_is_locked(struct mutex *lock)
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static inline int mutex_is_locked(struct mutex *lock)
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{
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{
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	return atomic_read(&lock->count) != 1;
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	return atomic_read(&lock->count) != 1;
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}
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}
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static inline int mutex_trylock(struct mutex *lock)
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{
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    if (likely(atomic_cmpxchg(&lock->count, 1, 0) == 1))
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        return 1;
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    return 0;
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}
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static inline void mutex_destroy(struct mutex *lock)
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{
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};
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