1 #include "sys/lock.h" 2 _lock_acquire(_lock_t * lock)3void _lock_acquire(_lock_t *lock) 4 { 5 return; 6 } 7 _lock_close(_lock_t * lock)8void _lock_close(_lock_t *lock) 9 { 10 return; 11 } 12 _lock_init(_lock_t * lock)13void _lock_init(_lock_t *lock) 14 { 15 return; 16 } 17 _lock_release(_lock_t * lock)18void _lock_release(_lock_t *lock) 19 { 20 return; 21 } 22