diff options
Diffstat (limited to 'nptl/pthreadP.h')
| -rw-r--r-- | nptl/pthreadP.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 2322c59fa7..4f76cbb62a 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -150,9 +150,16 @@ enum | PTHREAD_MUTEXATTR_PROTOCOL_MASK | PTHREAD_MUTEXATTR_PRIO_CEILING_MASK) -/* Check whether rwlock prefers readers. */ -#define PTHREAD_RWLOCK_PREFER_READER_P(rwlock) \ - ((rwlock)->__data.__flags == 0) +/* For the following, see pthread_rwlock_common.c. */ +#define PTHREAD_RWLOCK_WRPHASE 1 +#define PTHREAD_RWLOCK_WRLOCKED 2 +#define PTHREAD_RWLOCK_RWAITING 4 +#define PTHREAD_RWLOCK_READER_SHIFT 3 +#define PTHREAD_RWLOCK_READER_OVERFLOW ((unsigned int) 1 \ + << (sizeof (unsigned int) * 8 - 1)) +#define PTHREAD_RWLOCK_WRHANDOVER ((unsigned int) 1 \ + << (sizeof (unsigned int) * 8 - 1)) +#define PTHREAD_RWLOCK_FUTEX_USED 2 /* Bits used in robust mutex implementation. */ |