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+.. comment SPDX-License-Identifier: CC-BY-SA-4.0
+
+Synchronization
+###############
+
+Semaphore Characteristics
+=========================
+
+NOTE: Semaphores are implemented but only unnamed semaphores
+are currently tested.
+.. code:: c
+
+    sem_t, Type, Implemented
+
+Semaphore Functions
+===================
+
+Initialize an Unnamed Semaphore
+-------------------------------
+
+.. code:: c
+
+    sem_init(), Function, Implemented
+    SEM_FAILED, Constant, Implemented
+
+Destroy an Unnamed Semaphore
+----------------------------
+
+.. code:: c
+
+    sem_destroy(), Function, Implemented
+
+Initialize/Open a Named Semaphore
+---------------------------------
+
+.. code:: c
+
+    sem_open(), Function, Implemented
+
+Close a Named Semaphore
+-----------------------
+
+.. code:: c
+
+    sem_close(), Function, Implemented
+
+Remove a Named Semaphore
+------------------------
+
+.. code:: c
+
+    sem_unlink(), Function, Implemented
+
+Lock a Semaphore
+----------------
+
+.. code:: c
+
+    sem_wait(), Function, Implemented
+    sem_trywait(), Function, Implemented
+
+Unlock a Semaphore
+------------------
+
+.. code:: c
+
+    sem_post(), Function, Implemented
+
+Get the Value of a Semaphore
+----------------------------
+
+.. code:: c
+
+    sem_getvalue(), Function, Implemented
+
+Mutexes
+=======
+
+Mutex Initialization Attributes
+-------------------------------
+
+.. code:: c
+
+    pthread_mutexattr_init(), Function, Implemented
+    pthread_mutexattr_destroy(), Function, Implemented
+    pthread_mutexattr_getpshared(), Function, Implemented
+    pthread_mutexattr_setpshared(), Function, Implemented
+    PTHREAD_PROCESS_SHARED, Constant, Implemented
+    PTHREAD_PROCESS_PRIVATE, Constant, Implemented
+
+Initializing and Destroying a Mutex
+-----------------------------------
+
+.. code:: c
+
+    pthread_mutex_init(), Function, Implemented
+    pthread_mutex_destroy(), Function, Implemented
+    PTHREAD_MUTEX_INITIALIZER, Constant, Implemented
+
+Locking and Unlocking a Mutex
+-----------------------------
+
+.. code:: c
+
+    pthread_mutex_lock(), Function, Implemented
+    pthread_mutex_trylock(), Function, Implemented
+    pthread_mutex_unlock(), Function, Implemented
+
+Condition Variables
+===================
+
+Condition Variable Initialization Attributes
+--------------------------------------------
+
+.. code:: c
+
+    pthread_condattr_init(), Function, Implemented
+    pthread_condattr_destroy(), Function, Implemented
+    pthread_condattr_getpshared(), Function, Implemented
+    pthread_condattr_setpshared(), Function, Implemented
+
+Initialization and Destroying Condition Variables
+-------------------------------------------------
+
+.. code:: c
+
+    pthread_cond_init(), Function, Implemented
+    pthread_cond_destroy(), Function, Implemented
+    PTHREAD_COND_INITIALIZER, Constant, Implemented
+
+Broadcasting and Signaling a Condition
+--------------------------------------
+
+.. code:: c
+
+    pthread_cond_signal(), Function, Implemented
+    pthread_cond_broadcast(), Function, Implemented
+
+Waiting on a Condition
+----------------------
+
+.. code:: c
+
+    pthread_cond_wait(), Function, Implemented
+    pthread_cond_timedwait(), Function, Implemented
+
+.. COMMENT: COPYRIGHT (c) 1988-2002.
+
+.. COMMENT: On-Line Applications Research Corporation (OAR).
+
+.. COMMENT: All rights reserved.
+