Add comments about handling of some memory messages.
[chromium-blink-merge.git] / ipc / ipc_message_null_macros.h
blob5a1ff4f4fa73a920a3f54d38a478156ec7011e3d
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // No include guard, may be included multiple times.
7 // NULL out all the macros that need NULLing, so that multiple includes of
8 // the XXXX_messages_internal.h files will not generate noise.
9 #undef IPC_STRUCT_BEGIN_WITH_PARENT
10 #undef IPC_STRUCT_MEMBER
11 #undef IPC_STRUCT_END
12 #undef IPC_STRUCT_TRAITS_BEGIN
13 #undef IPC_STRUCT_TRAITS_MEMBER
14 #undef IPC_STRUCT_TRAITS_PARENT
15 #undef IPC_STRUCT_TRAITS_END
16 #undef IPC_ENUM_TRAITS_VALIDATE
17 #undef IPC_MESSAGE_DECL
19 #define IPC_STRUCT_BEGIN_WITH_PARENT(struct_name, parent)
20 #define IPC_STRUCT_MEMBER(type, name, ...)
21 #define IPC_STRUCT_END()
22 #define IPC_STRUCT_TRAITS_BEGIN(struct_name)
23 #define IPC_STRUCT_TRAITS_MEMBER(name)
24 #define IPC_STRUCT_TRAITS_PARENT(type)
25 #define IPC_STRUCT_TRAITS_END()
26 #define IPC_ENUM_TRAITS_VALIDATE(enum_name, validation_expression)
27 #define IPC_MESSAGE_DECL(sync, kind, msg_class, \
28 in_cnt, out_cnt, in_list, out_list)