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diff --git a/inc/pthread_rw_mutex.h b/inc/pthread_rw_mutex.h
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+/**
+ * Copyright (c) 2019, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *    * Redistributions of source code must retain the above copyright
+ *      notice, this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *      copyright notice, this list of conditions and the following
+ *      disclaimer in the documentation and/or other materials provided
+ *      with the distribution.
+ *    * Neither the name of The Linux Foundation nor the names of its
+ *      contributors may be used to endorse or promote products derived
+ *      from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef PTHREAD_RW_MUTEX_H
+#define PTHREAD_RW_MUTEX_H
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+/* asserts may be compiled out, this should always be present */
+#define ABORT_FAIL( ff ) \
+   do {\
+      if(! (ff) ) {\
+         fprintf(stderr, "assertion \"%s\" failed: file \"%s\", line %d\n", #ff, __FILE__, __LINE__);\
+         abort();\
+      }\
+   } while(0)
+
+#define RW_MUTEX_T                  pthread_rwlock_t
+#define RW_MUTEX_CTOR(mut)          ABORT_FAIL(0 == pthread_rwlock_init( & (mut), 0))
+#define RW_MUTEX_LOCK_READ(mut)     ABORT_FAIL(0 == pthread_rwlock_rdlock( & (mut)))
+
+#define RW_MUTEX_UNLOCK_READ(mut)   ABORT_FAIL(0 == pthread_rwlock_unlock( & (mut)))
+
+#define RW_MUTEX_LOCK_WRITE(mut)    ABORT_FAIL(0 == pthread_rwlock_wrlock( & (mut)))
+
+#define RW_MUTEX_UNLOCK_WRITE(mut)  ABORT_FAIL(0 == pthread_rwlock_unlock( & (mut)))
+
+#define RW_MUTEX_DTOR(mut)          ABORT_FAIL(0 == pthread_rwlock_destroy( & (mut)))
+
+
+#endif //PTHREAD_RW_MUTEX_H