win: Implement CRASHPAD_SIMULATE_CRASH()

util/win/exception_handler_server.cc

Index: util/win/exception_handler_server.cc
diff --git a/util/win/exception_handler_server.cc b/util/win/exception_handler_server.cc
index bcdec6a21d43b10ed14b077bc0b6f2d69ebb5038..fba8c1a310213e78876424eef5d07308034bfff9 100644
--- a/util/win/exception_handler_server.cc
+++ b/util/win/exception_handler_server.cc
@@ -113,6 +113,8 @@ class ClientData {
         delegate_(delegate),
         dump_requested_event_(
             CreateEvent(nullptr, false /* auto reset */, false, nullptr)),
+        dump_completed_event_(
+            CreateEvent(nullptr, false /* auto reset */, false, nullptr)),
         process_(process.Pass()),
         exception_information_address_(exception_information_address) {
     RegisterThreadPoolWaits(dump_request_callback, process_end_callback);
@@ -129,6 +131,7 @@ class ClientData {
   HANDLE port() const { return port_; }
   ExceptionHandlerServer::Delegate* delegate() const { return delegate_; }
   HANDLE dump_requested_event() const { return dump_requested_event_.get(); }
+  HANDLE dump_completed_event() const { return dump_completed_event_.get(); }
   WinVMAddress exception_information_address() const {
     return exception_information_address_;
   }
@@ -175,6 +178,7 @@ class ClientData {
   HANDLE port_;  // weak
   ExceptionHandlerServer::Delegate* delegate_;  // weak
   ScopedKernelHANDLE dump_requested_event_;
+  ScopedKernelHANDLE dump_completed_event_;
   ScopedKernelHANDLE process_;
   WinVMAddress exception_information_address_;
 
@@ -379,6 +383,9 @@ bool ExceptionHandlerServer::ServiceClientConnection(
   response.registration.request_report_event =
       base::checked_cast<uint32_t>(reinterpret_cast<uintptr_t>(
           DuplicateEvent(client->process(), client->dump_requested_event())));
+  response.registration.report_completed_event =
+      base::checked_cast<uint32_t>(reinterpret_cast<uintptr_t>(
+          DuplicateEvent(client->process(), client->dump_completed_event())));
 
   if (!LoggingWriteFile(service_context.pipe(), &response, sizeof(response)))
     return false;
@@ -414,10 +421,11 @@ void __stdcall ExceptionHandlerServer::OnDumpEvent(void* ctx, BOOLEAN) {
   base::AutoLock lock(*client->lock());
 
   // Capture the exception.
-  unsigned int exit_code = client->delegate()->ExceptionHandlerServerException(
+  client->delegate()->ExceptionHandlerServerException(
       client->process(), client->exception_information_address());
 
-  TerminateProcess(client->process(), exit_code);
+  // Release the client.
+  SetEvent(client->dump_completed_event());

[Mark Mentovai, 2015/09/23 20:00:52]

PLOG_IF this fails.

[scottmg, 2015/09/24 19:16:52]

Done.

 }
 
 // static