| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // This file is used to handle differences in Mach message IDs and structures |
| // that occur between different OS versions. The Mach messages that the sandbox |
| // is interested in are decoded using information derived from the open-source |
| // libraries, i.e. <http://www.opensource.apple.com/source/launchd/>. While |
| // these messages definitions are open source, they are not considered part of |
| // the stable OS API, and so differences do exist between OS versions. |
| |
| #ifndef SANDBOX_MAC_OS_COMPATIBILITY_H_ |
| #define SANDBOX_MAC_OS_COMPATIBILITY_H_ |
| |
| #include <mach/mach.h> |
| |
| #include <string> |
| |
| namespace sandbox { |
| |
| typedef std::string (*LookUp2GetRequestName)(const mach_msg_header_t*); |
| typedef void (*LookUp2FillReply)(mach_msg_header_t*, mach_port_t service_port); |
| |
| typedef bool (*SwapIntegerIsGetOnly)(const mach_msg_header_t*); |
| |
| struct LaunchdCompatibilityShim { |
| // The msgh_id for look_up2. |
| mach_msg_id_t msg_id_look_up2; |
| |
| // The msgh_id for swap_integer. |
| mach_msg_id_t msg_id_swap_integer; |
| |
| // A function to take a look_up2 message and return the string service name |
| // that was requested via the message. |
| LookUp2GetRequestName look_up2_get_request_name; |
| |
| // A function to formulate a reply to a look_up2 message, given the reply |
| // message and the port to return as the service. |
| LookUp2FillReply look_up2_fill_reply; |
| |
| // A function to take a swap_integer message and return true if the message |
| // is only getting the value of a key, neither setting it directly, nor |
| // swapping two keys. |
| SwapIntegerIsGetOnly swap_integer_is_get_only; |
| }; |
| |
| // Gets the compatibility shim for the launchd job subsystem. |
| const LaunchdCompatibilityShim GetLaunchdCompatibilityShim(); |
| |
| } // namespace sandbox |
| |
| #endif // SANDBOX_MAC_OS_COMPATIBILITY_H_ |