sysdeps/nptl/pthread-offsets.h


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#include <bits/wordsize.h>

/* These values are based on internal generic types from
   bits/struct_mutex.h and bits/struct_rwlock.h.  */

#if __WORDSIZE == 64
# define __PTHREAD_MUTEX_KIND_OFFSET		16
#else
# define __PTHREAD_MUTEX_KIND_OFFSET		12
#endif

#if __BYTE_ORDER == __BIG_ENDIAN
# define __PTHREAD_RWLOCK_FLAGS_OFFSET		27
#else
# define __PTHREAD_RWLOCK_FLAGS_OFFSET		24
#endif