Allow exception forwarding to the system’s native crash reporter to be disabled

snapshot/mac/module_snapshot_mac.cc

 // 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 37 matching lines @@
   timestamp_ = process_reader_module.timestamp;
   mach_o_image_reader_ = process_reader_module.reader;
   if (!mach_o_image_reader_) {
     return false;
   }
 
   INITIALIZATION_STATE_SET_VALID(initialized_);
   return true;
 }
 
+void ModuleSnapshotMac::GetCrashpadOptions(
+    CrashpadInfo::TriState* enable_crashpad_handler,
+    CrashpadInfo::TriState* enable_native_crash_reporter_forwarding) {
+  INITIALIZATION_STATE_DCHECK_VALID(initialized_);
+  MachOImageAnnotationsReader annotations_reader(
+      process_reader_, mach_o_image_reader_, name_);
+
+  process_types::CrashpadInfo crashpad_info;
+  if (!annotations_reader.GetCrashpadInfo(&crashpad_info)) {
+    *enable_crashpad_handler = CrashpadInfo::kDefault;
+    *enable_native_crash_reporter_forwarding = CrashpadInfo::kDefault;
+    return;
+  }
+
+  int value = crashpad_info.options & 0x3;

[Robert Sesek, 2015/03/10 23:03:04]

Yeah, this should be an enum with constants.

+  if (value == 3) {
+    LOG(WARNING) << "unknown value 3 for enable_crashpad_handler";
+    value = CrashpadInfo::kDefault;
+  }
+  *enable_crashpad_handler = static_cast<CrashpadInfo::TriState>(value);
+
+  value = (crashpad_info.options >> 2) & 0x3;
+  if (value == 3) {
+    LOG(WARNING)
+        << "unknown value 3 for enable_native_crash_reporter_forwarding";
+    value = CrashpadInfo::kDefault;
+  }
+  *enable_native_crash_reporter_forwarding =
+      static_cast<CrashpadInfo::TriState>(value);
+}
+
 std::string ModuleSnapshotMac::Name() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   return name_;
 }
 
 uint64_t ModuleSnapshotMac::Address() const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   return mach_o_image_reader_->Address();
 }
 
@@ skipping 77 matching lines @@
 std::map<std::string, std::string> ModuleSnapshotMac::AnnotationsSimpleMap()
     const {
   INITIALIZATION_STATE_DCHECK_VALID(initialized_);
   MachOImageAnnotationsReader annotations_reader(
       process_reader_, mach_o_image_reader_, name_);
   return annotations_reader.SimpleMap();
 }
 
 }  // namespace internal
 }  // namespace crashpad