Add a WT_SESSION.app_private field for applications to use in callbacks

taking a WT_SESSION handle. Reference #1423.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/include/wiredtiger.in b/src/include/wiredtiger.in
index 6e400924e35..06c4e6c083a 100644
--- a/src/include/wiredtiger.in
+++ b/src/include/wiredtiger.in
@@ -745,6 +745,18 @@ struct __wt_session {
 	/*! The connection for this session. */
 	WT_CONNECTION *connection;
 
+	/*
+	 * Don't expose app_private to non-C language bindings - they have
+	 * their own way to attach data to an operation.
+	 */
+#if !defined(SWIG)
+	/*!
+	 * A location for applications to store information that will be
+	 * available in callbacks taking a WT_SESSION handle.
+	 */
+	void *app_private;
+#endif
+
 	/*!
 	 * Close the session handle.
 	 *