MachMessageDeadline WIP

util/mach/mach_message_util.h

Index: util/mach/mach_message_util.h
diff --git a/util/mach/mach_message_util.h b/util/mach/mach_message_util.h
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-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef CRASHPAD_UTIL_MACH_MACH_MESSAGE_UTIL_H_
-#define CRASHPAD_UTIL_MACH_MACH_MESSAGE_UTIL_H_
-
-#include <mach/mach.h>
-
-namespace crashpad {
-
-//! \brief Initializes a reply message for a MIG server routine based on its
-//!     corresponding request.
-//!
-//! If a request is handled by a server routine, it may be necessary to revise
-//! some of the fields set by this function, such as `msgh_size` and any fields
-//! defined in a routine’s reply structure type.
-//!
-//! \param[in] in_header The request message to base the reply on.
-//! \param[out] out_header The reply message to initialize. \a out_header will
-//!     be treated as a `mig_reply_error_t*` and all of its fields will be set
-//!     except for `RetCode`, which must be set by SetMIGReplyError(). This
-//!     argument is accepted as a `mach_msg_header_t*` instead of a
-//!     `mig_reply_error_t*` because that is the type that callers are expected
-//!     to possess in the C API.
-void PrepareMIGReplyFromRequest(const mach_msg_header_t* in_header,
-                                mach_msg_header_t* out_header);
-
-//! \brief Sets the error code in a reply message for a MIG server routine.
-//!
-//! \param[inout] out_header The reply message to operate on. \a out_header will
-//!     be treated as a `mig_reply_error_t*` and its `RetCode` field will be
-//!     set. This argument is accepted as a `mach_msg_header_t*` instead of a
-//!     `mig_reply_error_t*` because that is the type that callers are expected
-//!     to possess in the C API.
-//! \param[in] error The error code to store in \a out_header.
-//!
-//! \sa PrepareMIGReplyFromRequest()
-void SetMIGReplyError(mach_msg_header_t* out_header, kern_return_t error);
-
-//! \brief Returns a Mach message trailer for a message that has been received.
-//!
-//! This function must only be called on Mach messages that have been received
-//! via the Mach messaging interface, such as `mach_msg()`. Messages constructed
-//! for sending do not contain trailers.
-//!
-//! \param[in] header A pointer to a received Mach message.
-//!
-//! \return A pointer to the trailer following the received Mach message’s body.
-//!     The contents of the trailer depend on the options provided to
-//!     `mach_msg()` or a similar function when the message was received.
-const mach_msg_trailer_t* MachMessageTrailerFromHeader(
-    const mach_msg_header_t* header);
-
-}  // namespace crashpad
-
-#endif  // CRASHPAD_UTIL_MACH_MACH_MESSAGE_UTIL_H_