diff --git a/libpthread/Makefile b/libpthread/Makefile
index b5f4b09c..9bd17934 100644
--- a/libpthread/Makefile
+++ b/libpthread/Makefile
@@ -33,6 +33,8 @@ pthread_mutex_lock.o \
 pthread_mutex_trylock.o \
 pthread_mutex_unlock.o \
 pthread_rwlock_rdlock.o \
+pthread_rwlock_tryrdlock.o \
+pthread_rwlock_trywrlock.o \
 pthread_rwlock_unlock.o \
 pthread_rwlock_wrlock.o \
 pthread_self.o \
diff --git a/libpthread/include/pthread.h b/libpthread/include/pthread.h
index 2da9e4cd..d380430b 100644
--- a/libpthread/include/pthread.h
+++ b/libpthread/include/pthread.h
@@ -245,8 +245,8 @@ int pthread_mutexattr_settype(pthread_mutexattr_t*, int);
 int pthread_rwlock_rdlock(pthread_rwlock_t*);
 /* TODO: pthread_rwlock_timedrdlock */
 /* TODO: pthread_rwlock_timedwrlock */
-/* TODO: pthread_rwlock_tryrdlock */
-/* TODO: pthread_rwlock_trywrlock */
+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 */
diff --git a/libpthread/pthread_rwlock_tryrdlock.c++ b/libpthread/pthread_rwlock_tryrdlock.c++
new file mode 100644
index 00000000..6074a83a
--- /dev/null
+++ b/libpthread/pthread_rwlock_tryrdlock.c++
@@ -0,0 +1,40 @@
+/*******************************************************************************
+
+    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 <http://www.gnu.org/licenses/>.
+
+    pthread_rwlock_tryrdlock.c++
+    Attempts to acquire read access to a read-write lock.
+
+*******************************************************************************/
+
+#include <errno.h>
+#include <pthread.h>
+
+extern "C" int pthread_rwlock_tryrdlock(pthread_rwlock_t* rwlock)
+{
+	if ( int ret = pthread_mutex_trylock(&rwlock->request_mutex) )
+		return errno = ret;
+	while ( rwlock->num_writers || rwlock->pending_writers )
+	{
+		pthread_mutex_unlock(&rwlock->request_mutex);
+		return errno = EBUSY;
+	}
+	rwlock->num_readers++;
+	pthread_mutex_unlock(&rwlock->request_mutex);
+	return 0;
+}
diff --git a/libpthread/pthread_rwlock_trywrlock.c++ b/libpthread/pthread_rwlock_trywrlock.c++
new file mode 100644
index 00000000..8d06b9c4
--- /dev/null
+++ b/libpthread/pthread_rwlock_trywrlock.c++
@@ -0,0 +1,40 @@
+/*******************************************************************************
+
+    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 <http://www.gnu.org/licenses/>.
+
+    pthread_rwlock_trywrlock.c++
+    Attempts to acquire write access to a read-write lock.
+
+*******************************************************************************/
+
+#include <errno.h>
+#include <pthread.h>
+
+extern "C" int pthread_rwlock_trywrlock(pthread_rwlock_t* rwlock)
+{
+	if ( int ret = pthread_mutex_trylock(&rwlock->request_mutex) )
+		return errno = ret;
+	if ( rwlock->num_readers || rwlock->num_writers )
+	{
+		pthread_mutex_unlock(&rwlock->request_mutex);
+		return errno = EBUSY;
+	}
+	rwlock->num_writers = 1;
+	pthread_mutex_unlock(&rwlock->request_mutex);
+	return 0;
+}