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

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

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;

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_;

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()) {

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_;

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());

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);