diff --git a/libpthread/include/__/pthread.h b/libpthread/include/__/pthread.h
index 1944c18e..83638622 100644
--- a/libpthread/include/__/pthread.h
+++ b/libpthread/include/__/pthread.h
@@ -125,7 +125,15 @@ typedef struct
} __pthread_rwlock_t;
#endif
-typedef int __pthread_rwlockattr_t;
+#if defined(__is_sortix_libpthread)
+typedef struct
+{
+} __pthread_rwlockattr_t;
+#else
+typedef struct
+{
+} __pthread_rwlockattr_t;
+#endif
typedef int __pthread_spinlock_t;
diff --git a/libpthread/include/pthread.h b/libpthread/include/pthread.h
index bd7f5d61..fbd3f081 100644
--- a/libpthread/include/pthread.h
+++ b/libpthread/include/pthread.h
@@ -250,9 +250,9 @@ int pthread_rwlock_tryrdlock(pthread_rwlock_t*);
int pthread_rwlock_trywrlock(pthread_rwlock_t*);
int pthread_rwlock_unlock(pthread_rwlock_t*);
int pthread_rwlock_wrlock(pthread_rwlock_t*);
-/* TODO: pthread_rwlockattr_destroy */
+int pthread_rwlockattr_destroy(pthread_rwlockattr_t*);
/* TODO: pthread_rwlockattr_getpshared */
-/* TODO: pthread_rwlockattr_init */
+int pthread_rwlockattr_init(pthread_rwlockattr_t*);
/* TODO: pthread_rwlockattr_setpshared */
pthread_t pthread_self(void);
/* TODO: pthread_setcancelstate */
diff --git a/libpthread/pthread_rwlockattr_destroy.c++ b/libpthread/pthread_rwlockattr_destroy.c++
new file mode 100644
index 00000000..77038121
--- /dev/null
+++ b/libpthread/pthread_rwlockattr_destroy.c++
@@ -0,0 +1,30 @@
+/*******************************************************************************
+
+ Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+ This file is part of Sortix libpthread.
+
+ Sortix libpthread is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation, either version 3 of the License, or (at your
+ option) any later version.
+
+ Sortix libpthread is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with Sortix libpthread. If not, see .
+
+ pthread_rwlockattr_destroy.c++
+ Destroys a read-write lock attributes object.
+
+*******************************************************************************/
+
+#include
+
+extern "C" int pthread_rwlockattr_destroy(pthread_rwlockattr_t* /*attr*/)
+{
+ return 0;
+}
diff --git a/libpthread/pthread_rwlockattr_init.c++ b/libpthread/pthread_rwlockattr_init.c++
new file mode 100644
index 00000000..ec5072d2
--- /dev/null
+++ b/libpthread/pthread_rwlockattr_init.c++
@@ -0,0 +1,32 @@
+/*******************************************************************************
+
+ Copyright(C) Jonas 'Sortie' Termansen 2013.
+
+ This file is part of Sortix libpthread.
+
+ Sortix libpthread is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by the
+ Free Software Foundation, either version 3 of the License, or (at your
+ option) any later version.
+
+ Sortix libpthread is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with Sortix libpthread. If not, see .
+
+ pthread_rwlockattr_init.c++
+ Initialize a read-write lock attributes object.
+
+*******************************************************************************/
+
+#include
+#include
+
+extern "C" int pthread_rwlockattr_init(pthread_rwlockattr_t* attr)
+{
+ memset(attr, 0, sizeof(*attr));
+ return 0;
+}