MachMessageServer: Make request messages const

util/mach/exc_server_variants.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 86 matching lines @@
 
    protected:
     ~Interface() {}
   };
 
   explicit ExcServer(Interface* interface);
 
   // MachMessageServer::Interface:
 
   virtual bool MachMessageServerFunction(
-      mach_msg_header_t* in_header,
+      const mach_msg_header_t* in_header,
       mach_msg_header_t* out_header,
       bool* destroy_complex_request) override;
 
   virtual mach_msg_size_t MachMessageServerRequestSize() override;
   virtual mach_msg_size_t MachMessageServerReplySize() override;
 
  private:
   Interface* interface_;  // weak
 };
 
@@ skipping 67 matching lines @@
 
    protected:
     ~Interface() {}
   };
 
   explicit MachExcServer(Interface* interface);
 
   // MachMessageServer::Interface:
 
   virtual bool MachMessageServerFunction(
-      mach_msg_header_t* in_header,
+      const mach_msg_header_t* in_header,
       mach_msg_header_t* out_header,
       bool* destroy_complex_request) override;
 
   virtual mach_msg_size_t MachMessageServerRequestSize() override;
   virtual mach_msg_size_t MachMessageServerReplySize() override;
 
  private:
   Interface* interface_;  // weak
 };
 
@@ skipping 189 matching lines @@
 class UniversalMachExcServer
     : public MachMessageServer::Interface,
       public internal::SimplifiedExcServer::Interface,
       public internal::SimplifiedMachExcServer::Interface {
  public:
   UniversalMachExcServer();
 
   // MachMessageServer::Interface:
 
   virtual bool MachMessageServerFunction(
-      mach_msg_header_t* in_header,
+      const mach_msg_header_t* in_header,
       mach_msg_header_t* out_header,
       bool* destroy_complex_request) override;
 
   virtual mach_msg_size_t MachMessageServerRequestSize() override;
   virtual mach_msg_size_t MachMessageServerReplySize() override;
 
   // internal::SimplifiedExcServer::Interface:
 
   virtual kern_return_t CatchException(
       exception_behavior_t behavior,
@@ skipping 11 matching lines @@
       bool* destroy_complex_request) override;
 
  private:
   internal::SimplifiedExcServer exc_server_;
   internal::SimplifiedMachExcServer mach_exc_server_;
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MACH_EXC_SERVER_VARIANTS_H_