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services: Move process related fields into a separate struct.

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Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-03-03 06:28:16 +01:00 committed by Alexandre Julliard
parent 00b1184f10
commit 7fc3f72de7
3 changed files with 92 additions and 56 deletions
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28
programs/services/rpc.c
View file

@ -773,8 +773,8 @@ DWORD __cdecl svcctl_SetServiceStatus(
if (lpServiceStatus->dwCurrentState == SERVICE_STOPPED)
run_after_timeout(service_terminate, service->service_entry, service_kill_timeout);
else if (service->service_entry->status_changed_event)
SetEvent(service->service_entry->status_changed_event);
else if (service->service_entry->process->status_changed_event)
SetEvent(service->service_entry->process->status_changed_event);
return ERROR_SUCCESS;
}
@ -984,26 +984,26 @@ static BOOL service_accepts_control(const struct service_entry *service, DWORD d
}
/******************************************************************************
* service_send_command
* process_send_command
*/
BOOL service_send_command( struct service_entry *service, const void *data, DWORD size, DWORD *result )
BOOL process_send_command(struct process_entry *process, const void *data, DWORD size, DWORD *result)
{
OVERLAPPED overlapped;
DWORD count, ret;
BOOL r;
overlapped.hEvent = service->overlapped_event;
r = WriteFile(service->control_pipe, data, size, &count, &overlapped);
overlapped.hEvent = process->overlapped_event;
r = WriteFile(process->control_pipe, data, size, &count, &overlapped);
if (!r && GetLastError() == ERROR_IO_PENDING)
{
ret = WaitForSingleObject( service->overlapped_event, service_pipe_timeout );
ret = WaitForSingleObject(process->overlapped_event, service_pipe_timeout);
if (ret == WAIT_TIMEOUT)
{
WINE_ERR("sending command timed out\n");
*result = ERROR_SERVICE_REQUEST_TIMEOUT;
return FALSE;
}
r = GetOverlappedResult(service->control_pipe, &overlapped, &count, FALSE);
r = GetOverlappedResult(process->control_pipe, &overlapped, &count, FALSE);
}
if (!r || count != size)
{
@ -1011,17 +1011,17 @@ BOOL service_send_command( struct service_entry *service, const void *data, DWOR
*result = (!r ? GetLastError() : ERROR_WRITE_FAULT);
return FALSE;
}
r = ReadFile(service->control_pipe, result, sizeof *result, &count, &overlapped);
r = ReadFile(process->control_pipe, result, sizeof *result, &count, &overlapped);
if (!r && GetLastError() == ERROR_IO_PENDING)
{
ret = WaitForSingleObject( service->overlapped_event, service_pipe_timeout );
ret = WaitForSingleObject(process->overlapped_event, service_pipe_timeout);
if (ret == WAIT_TIMEOUT)
{
WINE_ERR("receiving command result timed out\n");
*result = ERROR_SERVICE_REQUEST_TIMEOUT;
return FALSE;
}
r = GetOverlappedResult(service->control_pipe, &overlapped, &count, FALSE);
r = GetOverlappedResult(process->control_pipe, &overlapped, &count, FALSE);
}
if (!r || count != sizeof *result)
{
@ -1054,7 +1054,7 @@ static BOOL service_send_control(struct service_entry *service, DWORD dwControl,
ssi->name_size = strlenW(service->name) + 1;
strcpyW( ssi->data, service->name );
r = service_send_command( service, ssi, ssi->total_size, result );
r = process_send_command(service->process, ssi, ssi->total_size, result);
HeapFree( GetProcessHeap(), 0, ssi );
return r;
}
@ -1170,7 +1170,7 @@ DWORD __cdecl svcctl_ControlService(
if (dwControl == SERVICE_CONTROL_STOP)
service->service_entry->force_shutdown = TRUE;
control_mutex = service->service_entry->control_mutex;
control_mutex = service->service_entry->process->control_mutex;
service_unlock(service->service_entry);
ret = WaitForSingleObject(control_mutex, 30000);
@ -1926,7 +1926,7 @@ DWORD events_loop(void)
WINE_TRACE("Exceeded maximum wait object count\n");
break;
}
wait_handles[num_handles] = iter->service_entry->process;
wait_handles[num_handles] = iter->service_entry->process->process;
num_handles++;
}
LeaveCriticalSection(&timeout_queue_cs);

100
programs/services/services.c
View file

@ -68,8 +68,30 @@ static const WCHAR SZ_DESCRIPTION[] = {'D','e','s','c','r','i','p','t','i'
static const WCHAR SZ_PRESHUTDOWN[] = {'P','r','e','s','h','u','t','d','o','w','n','T','i','m','e','o','u','t',0};
static const WCHAR SZ_WOW64[] = {'W','O','W','6','4',0};
static DWORD process_create(struct process_entry **entry)
{
*entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
if (!*entry)
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
(*entry)->control_pipe = INVALID_HANDLE_VALUE;
/* all other fields are zero */
return ERROR_SUCCESS;
}
static void free_process_entry(struct process_entry *entry)
{
CloseHandle(entry->process);
CloseHandle(entry->control_mutex);
CloseHandle(entry->control_pipe);
CloseHandle(entry->overlapped_event);
CloseHandle(entry->status_changed_event);
HeapFree(GetProcessHeap(), 0, entry);
}
DWORD service_create(LPCWSTR name, struct service_entry **entry)
{
DWORD err;
*entry = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**entry));
if (!*entry)
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
@ -79,7 +101,12 @@ DWORD service_create(LPCWSTR name, struct service_entry **entry)
HeapFree(GetProcessHeap(), 0, *entry);
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
}
(*entry)->control_pipe = INVALID_HANDLE_VALUE;
if ((err = process_create(&(*entry)->process)) != ERROR_SUCCESS)
{
HeapFree(GetProcessHeap(), 0, (*entry)->process);
HeapFree(GetProcessHeap(), 0, *entry);
return err;
}
(*entry)->status.dwCurrentState = SERVICE_STOPPED;
(*entry)->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
(*entry)->preshutdown_timeout = default_preshutdown_timeout;
@ -98,11 +125,7 @@ void free_service_entry(struct service_entry *entry)
HeapFree(GetProcessHeap(), 0, entry->description);
HeapFree(GetProcessHeap(), 0, entry->dependOnServices);
HeapFree(GetProcessHeap(), 0, entry->dependOnGroups);
CloseHandle(entry->process);
CloseHandle(entry->control_mutex);
CloseHandle(entry->control_pipe);
CloseHandle(entry->overlapped_event);
CloseHandle(entry->status_changed_event);
free_process_entry(entry->process);
HeapFree(GetProcessHeap(), 0, entry);
}
@ -332,13 +355,14 @@ static void scmdatabase_wait_terminate(struct scmdatabase *db)
run = FALSE;
LIST_FOR_EACH_ENTRY(service, &db->services, struct service_entry, entry)
{
if(service->process)
struct process_entry *process = service->process;
if (process->process)
{
scmdatabase_unlock(db);
WaitForSingleObject(service->process, INFINITE);
WaitForSingleObject(process->process, INFINITE);
scmdatabase_lock(db);
CloseHandle(service->process);
service->process = NULL;
CloseHandle(process->process);
process->process = NULL;
run = TRUE;
break;
}
@ -729,7 +753,7 @@ static DWORD service_start_process(struct service_entry *service_entry, HANDLE *
}
service_entry->status.dwProcessId = pi.dwProcessId;
service_entry->process = pi.hProcess;
service_entry->process->process = pi.hProcess;
*process = pi.hProcess;
CloseHandle( pi.hThread );
@ -738,7 +762,7 @@ static DWORD service_start_process(struct service_entry *service_entry, HANDLE *
static DWORD service_wait_for_startup(struct service_entry *service_entry, HANDLE process_handle)
{
HANDLE handles[2] = { service_entry->status_changed_event, process_handle };
HANDLE handles[2] = { service_entry->process->status_changed_event, process_handle };
DWORD state, ret;
WINE_TRACE("%p\n", service_entry);
@ -769,6 +793,7 @@ static DWORD service_wait_for_startup(struct service_entry *service_entry, HANDL
static BOOL service_send_start_message(struct service_entry *service, HANDLE process_handle,
LPCWSTR *argv, DWORD argc)
{
struct process_entry *process = service->process;
OVERLAPPED overlapped;
DWORD i, len, result;
service_start_info *ssi;
@ -777,16 +802,16 @@ static BOOL service_send_start_message(struct service_entry *service, HANDLE pro
WINE_TRACE("%s %p %d\n", wine_dbgstr_w(service->name), argv, argc);
overlapped.hEvent = service->overlapped_event;
if (!ConnectNamedPipe(service->control_pipe, &overlapped))
overlapped.hEvent = process->overlapped_event;
if (!ConnectNamedPipe(process->control_pipe, &overlapped))
{
if (GetLastError() == ERROR_IO_PENDING)
{
HANDLE handles[2];
handles[0] = service->overlapped_event;
handles[0] = process->overlapped_event;
handles[1] = process_handle;
if (WaitForMultipleObjects( 2, handles, FALSE, service_pipe_timeout ) != WAIT_OBJECT_0)
CancelIo( service->control_pipe );
CancelIo(process->control_pipe);
if (!HasOverlappedIoCompleted( &overlapped ))
{
WINE_ERR( "service %s failed to start\n", wine_dbgstr_w( service->name ));
@ -822,7 +847,7 @@ static BOOL service_send_start_message(struct service_entry *service, HANDLE pro
}
*p=0;
r = service_send_command( service, ssi, ssi->total_size, &result );
r = process_send_command( process, ssi, ssi->total_size, &result );
if (r && result)
{
SetLastError(result);
@ -836,6 +861,7 @@ static BOOL service_send_start_message(struct service_entry *service, HANDLE pro
DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv)
{
struct process_entry *process = service->process;
DWORD err;
LPWSTR name;
HANDLE process_handle = NULL;
@ -844,26 +870,26 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
if (err != ERROR_SUCCESS)
return err;
if (WaitForSingleObject(service->process, 0) == WAIT_TIMEOUT)
if (WaitForSingleObject(process->process, 0) == WAIT_TIMEOUT)
{
scmdatabase_unlock_startup(service->db);
return ERROR_SERVICE_ALREADY_RUNNING;
}
CloseHandle(service->control_pipe);
service->control_mutex = CreateMutexW(NULL, TRUE, NULL);
CloseHandle(process->control_pipe);
process->control_mutex = CreateMutexW(NULL, TRUE, NULL);
service->force_shutdown = FALSE;
if (!service->status_changed_event)
service->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!service->overlapped_event)
service->overlapped_event = CreateEventW(NULL, TRUE, FALSE, NULL);
if (!process->status_changed_event)
process->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!process->overlapped_event)
process->overlapped_event = CreateEventW(NULL, TRUE, FALSE, NULL);
name = service_get_pipe_name();
service->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
process->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL );
HeapFree(GetProcessHeap(), 0, name);
if (service->control_pipe==INVALID_HANDLE_VALUE)
if (process->control_pipe == INVALID_HANDLE_VALUE)
{
WINE_ERR("failed to create pipe for %s, error = %d\n",
wine_dbgstr_w(service->name), GetLastError());
@ -883,7 +909,7 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
}
if (err == ERROR_SUCCESS)
ReleaseMutex(service->control_mutex);
ReleaseMutex(process->control_mutex);
else
service_terminate(service);
scmdatabase_unlock_startup(service->db);
@ -895,16 +921,18 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
void service_terminate(struct service_entry *service)
{
struct process_entry *process = service->process;
service_lock(service);
TerminateProcess(service->process, 0);
CloseHandle(service->process);
service->process = NULL;
CloseHandle(service->status_changed_event);
service->status_changed_event = NULL;
CloseHandle(service->control_mutex);
service->control_mutex = NULL;
CloseHandle(service->control_pipe);
service->control_pipe = INVALID_HANDLE_VALUE;
TerminateProcess(process->process, 0);
CloseHandle(process->process);
process->process = NULL;
CloseHandle(process->status_changed_event);
process->status_changed_event = NULL;
CloseHandle(process->control_mutex);
process->control_mutex = NULL;
CloseHandle(process->control_pipe);
process->control_pipe = INVALID_HANDLE_VALUE;
service->status.dwProcessId = 0;
service->status.dwCurrentState = SERVICE_STOPPED;

20
programs/services/services.h
View file

@ -31,6 +31,15 @@ struct scmdatabase
CRITICAL_SECTION cs;
};
struct process_entry
{
HANDLE process;
HANDLE control_mutex;
HANDLE control_pipe;
HANDLE overlapped_event;
HANDLE status_changed_event;
};
struct service_entry
{
struct list entry;
@ -43,11 +52,7 @@ struct service_entry
LPWSTR description;
LPWSTR dependOnServices;
LPWSTR dependOnGroups;
HANDLE process;
HANDLE control_mutex;
HANDLE control_pipe;
HANDLE overlapped_event;
HANDLE status_changed_event;
struct process_entry *process;
BOOL force_shutdown;
BOOL marked_for_delete;
BOOL is_wow64;
@ -79,7 +84,10 @@ void service_lock(struct service_entry *service);
void service_unlock(struct service_entry *service);
DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *service_argv);
void service_terminate(struct service_entry *service);
BOOL service_send_command( struct service_entry *service, const void *data, DWORD size, DWORD *result );
/* Process functions */
BOOL process_send_command(struct process_entry *process, const void *data, DWORD size, DWORD *result);
extern HANDLE g_hStartedEvent;