mac: Suppress partial availability warnings.

util/mach/exception_types.cc

 // Copyright 2015 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 17 matching lines @@
 #if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_9
 
 extern "C" {
 
 // proc_get_wakemon_params() is present in the Mac OS X 10.9 SDK, but no
 // declaration is provided. This provides a declaration and marks it for weak
 // import if the deployment target is below 10.9.
 int proc_get_wakemon_params(pid_t pid, int* rate_hz, int* flags)
     __OSX_AVAILABLE_STARTING(__MAC_10_9, __IPHONE_7_0);
 
+// Redeclare the method without the availability annotation to suppress the
+// -Wpartial-availability warning.
+int proc_get_wakemon_params(pid_t pid, int* rate_hz, int* flags);
+
 }  // extern "C"
 
 #else
 
 namespace {
 
 using ProcGetWakemonParamsType = int (*)(pid_t, int*, int*);
 
 // The SDK doesn’t have proc_get_wakemon_params() to link against, even with
 // weak import. This function returns a function pointer to it if it exists at
@@ skipping 151 matching lines @@
 
   // Treat unknown exceptions as fatal. This is the conservative approach: it
   // may result in more crash reports being generated, but the type-flavor
   // combinations can be evaluated to determine appropriate handling.
   LOG(WARNING) << "unknown resource type " << resource_type << " flavor "
                << resource_flavor;
   return false;
 }
 
 }  // namespace crashpad