1 files changed, 7 insertions, 0 deletions
diff --git a/options/m_config.h b/options/m_config.h
index 8befc51805..74390f150b 100644
--- a/options/m_config.h
+++ b/options/m_config.h
@@ -77,10 +77,17 @@ typedef struct m_config {
     int (*includefunc)(void *ctx, char *filename, int flags);
     void *includefunc_ctx;
 
+    // Can intercept option write accesses.
     int (*option_set_callback)(void *ctx, struct m_config_option *co,
                                void *data, int flags);
     void *option_set_callback_cb;
 
+    // Notification after an option was successfully written to.
+    // Uses flags as set in UPDATE_OPTS_MASK.
+    void (*option_change_callback)(void *ctx, struct m_config_option *co,
+                                   int flags);
+    void *option_change_callback_ctx;
+
     // For the command line parser
     int recursion_depth;