aboutsummaryrefslogtreecommitdiff
path: root/nptl/pthreadP.h
diff options
context:
space:
mode:
Diffstat (limited to 'nptl/pthreadP.h')
-rw-r--r--nptl/pthreadP.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/nptl/pthreadP.h b/nptl/pthreadP.h
index 21ce6fe..46e2476 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