Index: ipc/ipc_message_macros.h |
=================================================================== |
--- ipc/ipc_message_macros.h (revision 78443) |
+++ ipc/ipc_message_macros.h (working copy) |
@@ -138,11 +138,16 @@ |
// There's also IPC_STRUCT_TRAITS_PARENT, which is used to register a parent |
// class (whose own traits are already defined). Note that |
// IPC_STRUCT_TRAITS_MEMBER() and IPC_STRUCT_TRAITS_PARENT are only permitted |
-// inside matching calls to IPC_STRUCT_TRAITS_BEGIN() / IPC_STRUCT_TRAITS_END(). |
+// inside matching calls to IPC_STRUCT_TRAITS_BEGIN() / |
+// IPC_STRUCT_TRAITS_END(). |
// |
// Enum types are registered with a single IPC_ENUM_TRAITS() macro. There |
// is no need to enumerate each value to the IPC mechanism. |
// |
+// Do not place semicolons following these IPC_ macro invocations. There |
+// is no reason to expect that their expansion corresponds one-to-one with |
+// C++ statements. |
+// |
// Once the types have been declared / registered, message definitions follow. |
// "Sync" messages are just synchronous calls, the Send() call doesn't return |
// until a reply comes back. Input parameters are first (const TYPE&), and |