More entropy functions made thread-safe (add_source, update_manual, gather)
diff --git a/include/polarssl/entropy.h b/include/polarssl/entropy.h
index 7e65b78..2b824ef 100644
--- a/include/polarssl/entropy.h
+++ b/include/polarssl/entropy.h
@@ -133,6 +133,7 @@
/**
* \brief Adds an entropy source to poll
+ * (Thread-safe if POLARSSL_THREADING_C is enabled)
*
* \param ctx Entropy context
* \param f_source Entropy function
@@ -148,6 +149,7 @@
/**
* \brief Trigger an extra gather poll for the accumulator
+ * (Thread-safe if POLARSSL_THREADING_C is enabled)
*
* \param ctx Entropy context
*
@@ -169,6 +171,7 @@
/**
* \brief Add data to the accumulator manually
+ * (Thread-safe if POLARSSL_THREADING_C is enabled)
*
* \param ctx Entropy context
* \param data Data to add