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

snapshot/mac/crashpad_info_client_options_test_module.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,
+// 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.
+
+#include "client/crashpad_info.h"
+
+#define EXPORT __attribute__((visibility("default")))
+
+extern "C" {
+
+// Returns the module’s CrashpadInfo structure. Assuming that this file is built
+// into a loadable_module with a distinct static copy of the Crashpad client
+// library from the copy built into the loader of this loadable_module, this
+// will return a different CrashpadInfo structure than the one that the loader
+// uses. Having an extra CrashpadInfo structure makes it possible to test
+// behaviors that are relevant in the presence of multiple Crashpad
+// client-enabled modules.
+//
+// This function is used by the CrashpadInfoClientOptions.TwoModules test in
+// crashpad_info_client_options_test.cc.
+EXPORT crashpad::CrashpadInfo* TestModule_GetCrashpadInfo() {
+  return crashpad::CrashpadInfo::GetCrashpadInfo();
+}
+
+}  // extern "C"