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| author | Ulrich Drepper <drepper@redhat.com> | 2007-05-26 22:11:42 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2007-05-26 22:11:42 +0000 |
| commit | 546346b6f849fea25265f48c5b9cf536ef1cf4ee (patch) | |
| tree | a0aff9d7e8a3a7af2392412a5375d80d10584421 /nptl/pthreadP.h | |
| parent | a2dd3360dbbd183b289d356b0ebb3bafc921bb83 (diff) | |
| download | glibc-546346b6f849fea25265f48c5b9cf536ef1cf4ee.tar glibc-546346b6f849fea25265f48c5b9cf536ef1cf4ee.tar.gz glibc-546346b6f849fea25265f48c5b9cf536ef1cf4ee.tar.bz2 glibc-546346b6f849fea25265f48c5b9cf536ef1cf4ee.zip | |
* pthreadP.h (PTHREAD_RWLOCK_PREFER_READER_P): Define.
* pthread_rwlock_rdlock.c: Use PTHREAD_RWLOCK_PREFER_READER_P.
* pthread_rwlock_timedrdlock.c: Likewise.
* pthread_rwlock_tryrdlock.c: Likewise.
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 |