glibc/sysdeps/nptl/pthread-offsets.h
Adhemerval Zanella 7ddac7f265 nptl: Add default pthread-offsets.h
This patch adds a default pthread-offsets.h based on default
thread definitions from struct_mutex.h and struct_rwlock.h.
The idea is to simplify new ports inclusion.

Checked with a build on affected abis.

Change-Id: I7785a9581e651feb80d1413b9e03b5ac0452668a
2019-11-26 13:53:36 +00:00

27 lines
812 B
C

#include <bits/wordsize.h>
/* These values are based on internal generic types from
mutex-internal.h and rwlock-internal.h. */
#if __WORDSIZE == 64
# define __PTHREAD_MUTEX_NUSERS_OFFSET 12
# define __PTHREAD_MUTEX_KIND_OFFSET 16
# define __PTHREAD_MUTEX_SPINS_OFFSET 20
# define __PTHREAD_MUTEX_LIST_OFFSET 24
#else
# define __PTHREAD_MUTEX_NUSERS_OFFSET 16
# define __PTHREAD_MUTEX_KIND_OFFSET 12
# define __PTHREAD_MUTEX_SPINS_OFFSET 20
# define __PTHREAD_MUTEX_LIST_OFFSET 20
#endif
#if __WORDSIZE == 64
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 48
#else
# if __BYTE_ORDER == __BIG_ENDIAN
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 27
# else
# define __PTHREAD_RWLOCK_FLAGS_OFFSET 24
# endif
#endif