mac: Make crashpad_handler get its receive right from its client

util/mach/mach_message_server.h

 // 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,
@@ skipping 139 matching lines @@
   //!     ignored. Set \a receive_large to #kReceiveLargeResize instead.
   //! \param[in] persistent Chooses between one-shot and persistent operation.
   //! \param[in] receive_large Determines the behavior upon encountering a
   //!     message larger than the receive buffer’s size.
   //! \param[in] timeout_ms The maximum duration that this entire function will
   //!     run, in milliseconds. This may be #kMachMessageTimeoutNonblocking or
   //!     #kMachMessageTimeoutWaitIndefinitely. When \a persistent is
   //!     #kPersistent, the timeout applies to the overall duration of this
   //!     function, not to any individual `mach_msg()` call.
   //!
-  //! \return On success, `KERN_SUCCESS` (when \a persistent is #kOneShot) or
-  //!     `MACH_RCV_TIMED_OUT` (when \a persistent is #kOneShot and \a
+  //! \return On success, `MACH_MSG_SUCCESS` (when \a persistent is #kOneShot)
+  //!     or `MACH_RCV_TIMED_OUT` (when \a persistent is #kOneShot and \a
   //!     timeout_ms is not #kMachMessageTimeoutWaitIndefinitely). This function
   //!     has no successful return value when \a persistent is #kPersistent and
   //!     \a timeout_ms is #kMachMessageTimeoutWaitIndefinitely. On failure,
   //!     returns a value identifying the nature of the error.
   static mach_msg_return_t Run(Interface* interface,
                                mach_port_t receive_port,
                                mach_msg_options_t options,
                                Persistent persistent,
                                ReceiveLarge receive_large,
                                mach_msg_timeout_t timeout_ms);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(MachMessageServer);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MACH_MACH_MESSAGE_SERVER_H_