Refactor handler/main for Windows, implement CrashHandlerExceptionServer

handler/win/crashy_test_program.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 "util/thread/thread.h"
+#include "client/crashpad_client.h"
 
 #include "base/logging.h"
+#include "tools/tool_support.h"
 
 namespace crashpad {
+namespace {
 
-void Thread::Start() {
-  DCHECK(!platform_thread_);
-  platform_thread_ =
-      CreateThread(nullptr, 0, ThreadEntryThunk, this, 0, nullptr);
-  PCHECK(platform_thread_);
+void SomeCrashyFunction() {
+  volatile int* foo = reinterpret_cast<volatile int*>(7);
+  *foo = 42;
 }
 
-void Thread::Join() {
-  DCHECK(platform_thread_);
-  DWORD result = WaitForSingleObject(platform_thread_, INFINITE);
-  PCHECK(WAIT_OBJECT_0 == result);
-  platform_thread_ = 0;
-}
+int CrashyMain(int argc, char* argv[]) {
+  if (argc != 2) {
+    fprintf(stderr, "Usage: %s <server_pipe_name>\n", argv[0]);
+    return 1;
+  }
 
-// static
-DWORD WINAPI Thread::ThreadEntryThunk(void* argument) {
-  Thread* self = reinterpret_cast<Thread*>(argument);
-  self->ThreadMain();
+  CrashpadClient client;
+  if (!client.SetHandler(argv[1])) {
+    LOG(ERROR) << "SetHandler";
+    return 1;
+  }
+  if (!client.UseHandler()) {
+    LOG(ERROR) << "UseHandler";
+    return 1;
+  }
+
+  SomeCrashyFunction();
+
   return 0;
 }
 
+}  // namespace
 }  // namespace crashpad
+
+int wmain(int argc, wchar_t* argv[]) {
+  return crashpad::ToolSupport::Wmain(argc, argv, crashpad::CrashyMain);
+}