1  #ifndef _LOCK_INTERN_H
       2  #include <mach/lock-intern.h>
       3  #ifndef _ISOMAC
       4  libc_hidden_proto (__spin_lock_locked)
       5  libc_hidden_proto (__spin_lock)
       6  libc_hidden_proto (__spin_lock_solid)
       7  libc_hidden_proto (__spin_unlock)
       8  libc_hidden_proto (__spin_try_lock)
       9  libc_hidden_proto (__mutex_init)
      10  libc_hidden_proto (__mutex_lock)
      11  libc_hidden_proto (__mutex_unlock)
      12  libc_hidden_proto (__mutex_trylock)
      13  #endif
      14  #endif