--- /dev/null
+#include "pthread_impl.h"
+
+int pthread_rwlockattr_destroy(pthread_rwlockattr_t *a)
+{
+ return 0;
+}
--- /dev/null
+#include "pthread_impl.h"
+
+int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *a, int *pshared)
+{
+ *pshared = *(int *)a;
+ return 0;
+}
--- /dev/null
+#include "pthread_impl.h"
+
+int pthread_rwlockattr_init(pthread_rwlockattr_t *a)
+{
+ memset(a, 0, sizeof *a);
+ return 0;
+}
--- /dev/null
+#include "pthread_impl.h"
+
+int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *a, int pshared)
+{
+ if (pshared > 1U) return EINVAL;
+ *(int *)a = pshared;
+ return 0;
+}