3 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/thread/numcpus.c b/src/lib/thread/numcpus.c
index 534b0570f8..b8763f118f 100644
--- a/src/lib/thread/numcpus.c
+++ b/src/lib/thread/numcpus.c
@@ -3,6 +3,11 @@
  * Copyright (c) 2007-2018, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * \file numcpus.c
+ * \brief Compute the number of CPUs configured on this system.
+ **/
+
 #include "orconfig.h"
 #include "lib/thread/numcpus.h"
 #include "lib/log/torlog.h"
diff --git a/src/lib/thread/numcpus.h b/src/lib/thread/numcpus.h
index 2899a9ec8a..0b026e4249 100644
--- a/src/lib/thread/numcpus.h
+++ b/src/lib/thread/numcpus.h
@@ -3,6 +3,11 @@
  * Copyright (c) 2007-2018, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * \file numcpus.h
+ * \brief Header for numcpus.c
+ **/
+
 #ifndef TOR_NUMCPUS_H
 #define TOR_NUMCPUS_H
 
diff --git a/src/lib/thread/threads.h b/src/lib/thread/threads.h
index fcccc643d5..89d2a9d93e 100644
--- a/src/lib/thread/threads.h
+++ b/src/lib/thread/threads.h
@@ -3,6 +3,11 @@
  * Copyright (c) 2007-2018, The Tor Project, Inc. */
 /* See LICENSE for licensing information */
 
+/**
+ * \file threads.h
+ * \brief Header for threads.c
+ **/
+
 #ifndef TOR_COMPAT_THREADS_H
 #define TOR_COMPAT_THREADS_H