Workaround pthreads-win32 pthread_rwlock_init limitation.

On Windows, pthreads-win32 returns EINVAL if you specify an attribute when
calling pthread_rwlock_init. Work around this by only specifying the attribute
when FIO_HAVE_PSHARED_MUTEX is defined.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 4 insertions, 1 deletions

diff --git a/mutex.c b/mutex.c
index d1e3ceae..e1fbb607 100644
--- a/mutex.c
+++ b/mutex.c
@@ -205,9 +205,12 @@ struct fio_rwlock *fio_rwlock_init(void)
 		log_err("pthread_rwlockattr_setpshared: %s\n", strerror(ret));
 		goto destroy_attr;
 	}
-#endif
 
 	ret = pthread_rwlock_init(&lock->lock, &attr);
+#else
+	ret = pthread_rwlock_init(&lock->lock, NULL);
+#endif
+
 	if (ret) {
 		log_err("pthread_rwlock_init: %s\n", strerror(ret));
 		goto destroy_attr;