1  #include <bits/wordsize.h>
       2  
       3  #if __WORDSIZE == 64
       4  # define __PTHREAD_MUTEX_KIND_OFFSET     16
       5  #else
       6  # define __PTHREAD_MUTEX_KIND_OFFSET     12
       7  #endif
       8  
       9  #if __WORDSIZE == 64
      10  # define __PTHREAD_RWLOCK_FLAGS_OFFSET   48
      11  #else
      12  # define __PTHREAD_RWLOCK_FLAGS_OFFSET   27
      13  #endif