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Speculative back-out of r883, which may have broken Windows crash reporting.

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git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@891 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
mark@chromium.org 2011-11-28 19:17:41 +00:00
parent 29138814cc
commit 06c856fd67
13 changed files with 4 additions and 208 deletions
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6
src/client/windows/common/ipc_protocol.h
View file

@ -110,7 +110,6 @@ struct ProtocolMessage {
custom_client_info(),
dump_request_handle(NULL),
dump_generated_handle(NULL),
parent_dump_request_handle(NULL),
server_alive_handle(NULL) {
}
@ -123,7 +122,6 @@ struct ProtocolMessage {
MDRawAssertionInfo* arg_assert_info,
const CustomClientInfo& custom_info,
HANDLE arg_dump_request_handle,
HANDLE arg_parent_dump_request_handle,
HANDLE arg_dump_generated_handle,
HANDLE arg_server_alive)
: tag(arg_tag),
@ -134,7 +132,6 @@ struct ProtocolMessage {
assert_info(arg_assert_info),
custom_client_info(custom_info),
dump_request_handle(arg_dump_request_handle),
parent_dump_request_handle(arg_parent_dump_request_handle),
dump_generated_handle(arg_dump_generated_handle),
server_alive_handle(arg_server_alive) {
}
@ -164,9 +161,6 @@ struct ProtocolMessage {
// Handle to signal the crash event.
HANDLE dump_request_handle;
// Handle to signal a request for a server side minidump.
HANDLE parent_dump_request_handle;
// Handle to check if server is done generating crash.
HANDLE dump_generated_handle;

23
src/client/windows/crash_generation/client_info.cc
View file

@ -50,8 +50,6 @@ ClientInfo::ClientInfo(CrashGenerationServer* crash_server,
thread_id_(thread_id),
process_handle_(NULL),
dump_requested_handle_(NULL),
parent_dump_requested_handle_(NULL),
parent_dump_request_wait_handle_(NULL),
dump_generated_handle_(NULL),
dump_request_wait_handle_(NULL),
process_exit_wait_handle_(NULL) {
@ -72,14 +70,6 @@ bool ClientInfo::Initialize() {
return false;
}
parent_dump_requested_handle_ = CreateEvent(NULL, // Security attributes.
TRUE, // Manual reset.
FALSE, // Initial state.
NULL); // Name.
if (!parent_dump_requested_handle_) {
return false;
}
dump_generated_handle_ = CreateEvent(NULL, // Security attributes.
TRUE, // Manual reset.
FALSE, // Initial state.
@ -98,10 +88,6 @@ ClientInfo::~ClientInfo() {
UnregisterWaitEx(process_exit_wait_handle_, INVALID_HANDLE_VALUE);
}
if (parent_dump_request_wait_handle_) {
UnregisterWaitEx(parent_dump_request_wait_handle_, INVALID_HANDLE_VALUE);
}
if (process_handle_) {
CloseHandle(process_handle_);
}
@ -110,10 +96,6 @@ ClientInfo::~ClientInfo() {
CloseHandle(dump_requested_handle_);
}
if (parent_dump_requested_handle_) {
CloseHandle(parent_dump_requested_handle_);
}
if (dump_generated_handle_) {
CloseHandle(dump_generated_handle_);
}
@ -125,11 +107,6 @@ void ClientInfo::UnregisterWaits() {
dump_request_wait_handle_ = NULL;
}
if (parent_dump_request_wait_handle_) {
UnregisterWait(parent_dump_request_wait_handle_);
parent_dump_request_wait_handle_ = NULL;
}
if (process_exit_wait_handle_) {
UnregisterWait(process_exit_wait_handle_);
process_exit_wait_handle_ = NULL;

15
src/client/windows/crash_generation/client_info.h
View file

@ -65,7 +65,6 @@ class ClientInfo {
HANDLE process_handle() const { return process_handle_; }
HANDLE dump_requested_handle() const { return dump_requested_handle_; }
HANDLE dump_generated_handle() const { return dump_generated_handle_; }
HANDLE parent_dump_requested_handle() const { return parent_dump_requested_handle_; }
HANDLE dump_request_wait_handle() const {
return dump_request_wait_handle_;
@ -83,14 +82,6 @@ class ClientInfo {
process_exit_wait_handle_ = value;
}
HANDLE parent_dump_request_wait_handle() const {
return parent_dump_request_wait_handle_;
}
void set_parent_dump_request_wait_handle(HANDLE value) {
parent_dump_request_wait_handle_ = value;
}
// Unregister all waits for the client.
void UnregisterWaits();
@ -159,18 +150,12 @@ class ClientInfo {
// Dump generated event handle.
HANDLE dump_generated_handle_;
// Parent dump request event handle.
HANDLE parent_dump_requested_handle_;
// Wait handle for dump request event.
HANDLE dump_request_wait_handle_;
// Wait handle for process exit event.
HANDLE process_exit_wait_handle_;
// Wait handle for parent dump request event.
HANDLE parent_dump_request_wait_handle_;
// Time when the client process started. It is used to determine the uptime
// for the client process when it signals a crash.
FILETIME start_time_;

36
src/client/windows/crash_generation/crash_generation_client.cc
View file

@ -194,7 +194,6 @@ bool CrashGenerationClient::RegisterClient(HANDLE pipe) {
custom_info_,
NULL,
NULL,
NULL,
NULL);
ProtocolMessage reply;
DWORD bytes_count = 0;
@ -221,10 +220,8 @@ bool CrashGenerationClient::RegisterClient(HANDLE pipe) {
if (!WriteFile(pipe, &ack_msg, sizeof(ack_msg), &bytes_count, NULL)) {
return false;
}
crash_event_ = reply.dump_request_handle;
crash_generated_ = reply.dump_generated_handle;
parent_dump_request_event_ = reply.parent_dump_request_handle;
server_alive_ = reply.server_alive_handle;
server_process_id_ = reply.pid;
@ -274,39 +271,6 @@ bool CrashGenerationClient::IsRegistered() const {
return crash_event_ != NULL;
}
bool CrashGenerationClient::RequestParentDump() {
if (!IsRegistered()) {
return false;
}
assert(parent_dump_request_event_);
assert(server_alive_);
// Reset the dump generated event before signaling the crash
// event so that the server can set the dump generated event
// once it is done generating the event.
if (!ResetEvent(crash_generated_)) {
return false;
}
// Signal we want a server side crash dump generated
if (!SetEvent(parent_dump_request_event_)) {
return false;
}
// Wait for the crash dump process to complete
HANDLE wait_handles[kWaitEventCount] = {crash_generated_, server_alive_};
DWORD result = WaitForMultipleObjects(kWaitEventCount,
wait_handles,
FALSE,
kWaitForServerTimeoutMs);
// Crash dump was successfully generated only if the server
// signaled the crash generated event.
return result == WAIT_OBJECT_0;
}
bool CrashGenerationClient::RequestDump(EXCEPTION_POINTERS* ex_info,
MDRawAssertionInfo* assert_info) {
if (!IsRegistered()) {

13
src/client/windows/crash_generation/crash_generation_client.h
View file

@ -91,15 +91,6 @@ class CrashGenerationClient {
// if the registration step was not performed or it was not successful,
// false will be returned.
bool RequestDump(MDRawAssertionInfo* assert_info);
// Requests the crash server generate a minidump on the parent side
// of the connection. Blocks until the dump has been completed or
// the request times out.
//
// Returns true if the dump was successful; false otherwise. Note that
// if the registration step was not performed or it was not successful,
// false will be returned.
bool RequestParentDump();
private:
// Connects to the appropriate pipe and sets the pipe handle state.
@ -141,10 +132,6 @@ class CrashGenerationClient {
// Event to signal in case of a crash.
HANDLE crash_event_;
// Event signaling a server side minidump is being requested
// by the client.
HANDLE parent_dump_request_event_;
// Handle to wait on after signaling a crash for the server
// to finish generating crash dump.
HANDLE crash_generated_;

73
src/client/windows/crash_generation/crash_generation_server.cc
View file

@ -119,8 +119,7 @@ CrashGenerationServer::CrashGenerationServer(
shutting_down_(false),
overlapped_(),
client_info_(NULL),
cleanup_item_count_(0),
preferred_parent_thread_id_(0) {
cleanup_item_count_(0) {
InitializeCriticalSection(&clients_sync_);
if (dump_path) {
@ -601,9 +600,6 @@ bool CrashGenerationServer::PrepareReply(const ClientInfo& client_info,
CloseHandle(reply->server_alive_handle);
}
if (reply->parent_dump_request_handle) {
CloseHandle(reply->parent_dump_request_handle);
}
return false;
}
@ -630,16 +626,6 @@ bool CrashGenerationServer::CreateClientHandles(const ClientInfo& client_info,
return false;
}
if (!DuplicateHandle(current_process,
client_info.parent_dump_requested_handle(),
client_info.process_handle(),
&reply->parent_dump_request_handle,
kDumpRequestEventAccess,
FALSE,
0)) {
return false;
}
if (!DuplicateHandle(current_process,
server_alive_handle_,
client_info.process_handle(),
@ -768,20 +754,6 @@ bool CrashGenerationServer::AddClient(ClientInfo* client_info) {
client_info->set_process_exit_wait_handle(process_wait_handle);
// OnParentDumpRequest will be called if the client requests
// a server side minidump be generated.
HANDLE parent_request_wait_handle = NULL;
if (!RegisterWaitForSingleObject(&parent_request_wait_handle,
client_info->parent_dump_requested_handle(),
OnParentDumpRequest,
client_info,
INFINITE,
kDumpRequestThreadFlags)) {
return false;
}
client_info->set_parent_dump_request_wait_handle(parent_request_wait_handle);
// New scope to hold the lock for the shortest time.
{
AutoCriticalSection lock(&clients_sync_);
@ -813,20 +785,6 @@ void CALLBACK CrashGenerationServer::OnDumpRequest(void* context, BOOLEAN) {
ResetEvent(client_info->dump_requested_handle());
}
// static
void CALLBACK CrashGenerationServer::OnParentDumpRequest(void* context, BOOLEAN) {
assert(context);
ClientInfo* client_info = reinterpret_cast<ClientInfo*>(context);
client_info->PopulateCustomInfo();
CrashGenerationServer* crash_server = client_info->crash_server();
assert(crash_server);
crash_server->HandleParentDumpRequest(*client_info);
ResetEvent(client_info->parent_dump_requested_handle());
}
// static
void CALLBACK CrashGenerationServer::OnClientEnd(void* context, BOOLEAN) {
assert(context);
@ -885,34 +843,7 @@ void CrashGenerationServer::HandleDumpRequest(const ClientInfo& client_info) {
if (dump_callback_) {
std::wstring* ptr_dump_path = (dump_path == L"") ? NULL : &dump_path;
dump_callback_(dump_context_, &client_info, DUMP_REQ_CHILD, ptr_dump_path);
}
SetEvent(client_info.dump_generated_handle());
}
void CrashGenerationServer::HandleParentDumpRequest(const ClientInfo& client_info) {
std::wstring dump_path;
if (generate_dumps_) {
DWORD preferred_thread_id = !preferred_parent_thread_id_ ?
GetCurrentThreadId() : preferred_parent_thread_id_;
bool success =
dump_generator_->WriteMinidump(GetCurrentProcess(),
GetCurrentProcessId(),
preferred_thread_id,
GetCurrentThreadId(),
NULL, // no exception
NULL, // no assert info
MiniDumpNormal,
true,
&dump_path);
if (!success)
return;
}
if (dump_callback_) {
std::wstring* ptr_dump_path = (dump_path == L"") ? NULL : &dump_path;
dump_callback_(dump_context_, &client_info, DUMP_REQ_PARENT, ptr_dump_path);
dump_callback_(dump_context_, &client_info, ptr_dump_path);
}
SetEvent(client_info.dump_generated_handle());

23
src/client/windows/crash_generation/crash_generation_server.h
View file

@ -49,19 +49,11 @@ class ClientInfo;
// generation in this way, the server generates Windows minidump files.
class CrashGenerationServer {
public:
// For client minidump request callbacks indicates the type of minidump
// the request generated.
enum ClientDumpRequestType {
DUMP_REQ_PARENT,
DUMP_REQ_CHILD,
};
typedef void (*OnClientConnectedCallback)(void* context,
const ClientInfo* client_info);
typedef void (*OnClientDumpRequestCallback)(void* context,
const ClientInfo* client_info,
const ClientDumpRequestType request_type,
const std::wstring* file_path);
typedef void (*OnClientExitedCallback)(void* context,
@ -105,11 +97,6 @@ class CrashGenerationServer {
// Returns true if initialization is successful; false otherwise.
bool Start();
// Sets the preferred parent side minidump thread id passed
// to breakpad when a server side minidump is requested by
// a client.
void SetParentDumpThreadId(DWORD thread_id) { preferred_parent_thread_id_ = thread_id; }
private:
// Various states the client can be in during the handshake with
// the server.
@ -188,18 +175,12 @@ class CrashGenerationServer {
// Handles a dump request from the client.
void HandleDumpRequest(const ClientInfo& client_info);
// Handles a server side minidump request from the client.
void HandleParentDumpRequest(const ClientInfo& client_info);
// Callback for pipe connected event.
static void CALLBACK OnPipeConnected(void* context, BOOLEAN timer_or_wait);
// Callback for a dump request.
static void CALLBACK OnDumpRequest(void* context, BOOLEAN timer_or_wait);
// Callback for a server minidump request.
static void CALLBACK OnParentDumpRequest(void* context, BOOLEAN timer_or_wait);
// Callback for client process exit event.
static void CALLBACK OnClientEnd(void* context, BOOLEAN timer_or_wait);
@ -297,10 +278,6 @@ class CrashGenerationServer {
// already queued to run.
volatile LONG cleanup_item_count_;
// For client requested server side minidumps, the preferred
// minidump thread id passed to breakpad.
DWORD preferred_parent_thread_id_;
// Disable copy ctor and operator=.
CrashGenerationServer(const CrashGenerationServer& crash_server);
CrashGenerationServer& operator=(const CrashGenerationServer& crash_server);

6
src/client/windows/handler/exception_handler.cc
View file

@ -704,12 +704,6 @@ bool ExceptionHandler::WriteMinidump(const wstring &dump_path,
return handler.WriteMinidump();
}
bool ExceptionHandler::RequestMinidumpForParent() {
if (!IsOutOfProcess())
return false;
return crash_generation_client_->RequestParentDump();
}
bool ExceptionHandler::WriteMinidumpWithException(
DWORD requesting_thread_id,
EXCEPTION_POINTERS* exinfo,

6
src/client/windows/handler/exception_handler.h
View file

@ -190,12 +190,6 @@ class ExceptionHandler {
static bool WriteMinidump(const wstring &dump_path,
MinidumpCallback callback, void* callback_context);
// Requests a minidump of the server be generated and waits for completion.
// This can be used to capture the execution state of parent process
// independent of a crash on either side of the connection. Only valid for
// out-of-process clients.
bool RequestMinidumpForParent();
// Get the thread ID of the thread requesting the dump (either the exception
// thread or any other thread that called WriteMinidump directly). This
// may be useful if you want to include additional thread state in your

1
src/client/windows/tests/crash_generation_app/crash_generation_app.cc
View file

@ -216,7 +216,6 @@ static void _cdecl ShowClientConnected(void* context,
static void _cdecl ShowClientCrashed(void* context,
const ClientInfo* client_info,
const CrashGenerationServer::ClientDumpRequestType request_type,
const wstring* dump_path) {
TCHAR* line = new TCHAR[kMaximumLineLength];
line[0] = _T('\0');

7
src/client/windows/unittests/crash_generation_server_test.cc
View file

@ -77,9 +77,8 @@ class CrashGenerationServerTest : public ::testing::Test {
public:
MOCK_METHOD1(OnClientConnected,
void(const google_breakpad::ClientInfo* client_info));
MOCK_METHOD3(OnClientDumpRequested,
MOCK_METHOD2(OnClientDumpRequested,
void(const google_breakpad::ClientInfo* client_info,
const google_breakpad::CrashGenerationServer::ClientDumpRequestType request_type,
const std::wstring* file_path));
MOCK_METHOD1(OnClientExited,
void(const google_breakpad::ClientInfo* client_info));
@ -177,7 +176,6 @@ class CrashGenerationServerTest : public ::testing::Test {
custom_info,
NULL,
NULL,
NULL,
NULL);
DWORD bytes_count = 0;
@ -239,10 +237,9 @@ class CrashGenerationServerTest : public ::testing::Test {
static void CallOnClientDumpRequested(
void* context,
const google_breakpad::ClientInfo* client_info,
const google_breakpad::CrashGenerationServer::ClientDumpRequestType request_type,
const std::wstring* file_path) {
static_cast<MockCrashGenerationServerCallbacks*>(context)->
OnClientDumpRequested(client_info, request_type, file_path);
OnClientDumpRequested(client_info, file_path);
}
static void CallOnClientExited(

1
src/client/windows/unittests/exception_handler_death_test.cc
View file

@ -131,7 +131,6 @@ static bool gDumpCallbackCalled = false;
void clientDumpCallback(void *dump_context,
const google_breakpad::ClientInfo *client_info,
const google_breakpad::CrashGenerationServer::ClientDumpRequestType request_type,
const std::wstring *dump_path) {
gDumpCallbackCalled = true;
}

2
src/client/windows/unittests/exception_handler_test.cc
View file

@ -78,7 +78,6 @@ class ExceptionHandlerTest : public ::testing::Test {
static void ClientDumpCallback(
void *dump_context,
const google_breakpad::ClientInfo *client_info,
const google_breakpad::CrashGenerationServer::ClientDumpRequestType request_type,
const std::wstring *dump_path);
static bool DumpCallback(const wchar_t* dump_path,
@ -139,7 +138,6 @@ BOOL ExceptionHandlerTest::DoesPathExist(const TCHAR *path_name) {
void ExceptionHandlerTest::ClientDumpCallback(
void *dump_context,
const google_breakpad::ClientInfo *client_info,
const google_breakpad::CrashGenerationServer::ClientDumpRequestType request_type,
const wstring *dump_path) {
dump_file = *dump_path;
// Create the full dump file name from the dump path.