diff -r e63951c1d0f8 -r d0aa9e0a6d04 librazor/razor.h
--- a/librazor/razor.h	Thu Nov 10 10:35:21 2011 +0000
+++ b/librazor/razor.h	Thu Feb 09 20:42:08 2012 +0000
@@ -104,8 +104,13 @@
  * that should either all succeed or all fail.
  *
  * Note that currently only Windows 7 has a native implementation and that
- * the fallback implementation will not rollback even if an error does occur.
- * This could (and should) be improved.
+ * while the emulated fallback implementation attempts to rollback the
+ * transaction if it fails, this is not guaranteed to succeed and that
+ * the transaction is held in core (and thus vulnernable to program crashes,
+ * power loss, etc.). This could (and should) be improved.
+ *
+ * Atomic transactions can be disabled via configure, in which case all
+ * bets are off.
  **/
 struct razor_atomic;
 
@@ -331,7 +336,8 @@
 
 enum razor_install_action {
 	RAZOR_INSTALL_ACTION_ADD,
-	RAZOR_INSTALL_ACTION_REMOVE
+	RAZOR_INSTALL_ACTION_REMOVE,
+	RAZOR_INSTALL_ACTION_COMMIT
 };
 
 struct razor_install_iterator *