diff options
Diffstat (limited to 'nptl/pthreadP.h')
| -rw-r--r-- | nptl/pthreadP.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h index 21ce6fe0b7..46e24761af 100644 --- a/nptl/pthreadP.h +++ b/nptl/pthreadP.h @@ -118,6 +118,11 @@ 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) + + /* Bits used in robust mutex implementation. */ #define FUTEX_WAITERS 0x80000000 #define FUTEX_OWNER_DIED 0x40000000 |