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services: Allocate a separate status_changed_event for each service. 

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-08-19 08:01:03 +02:00 committed by Alexandre Julliard
parent 51f36c220e
commit 039471ec37
3 changed files with 31 additions and 33 deletions
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20
programs/services/rpc.c
View File

@ -758,21 +758,21 @@ DWORD __cdecl svcctl_SetServiceStatus(
return err;
service_lock(service->service_entry);
/* FIXME: be a bit more discriminant about what parts of the status we set
* and check that fields are valid */
service->service_entry->status = *lpServiceStatus;
if ((process = service->service_entry->process))
SetEvent(service->service_entry->status_changed_event);
if ((process = service->service_entry->process) &&
lpServiceStatus->dwCurrentState == SERVICE_STOPPED)
{
if (lpServiceStatus->dwCurrentState == SERVICE_STOPPED)
{
service->service_entry->process = NULL;
if (!--process->use_count)
terminate_after_timeout(process, service_kill_timeout);
release_process(process);
}
else
SetEvent(process->status_changed_event);
service->service_entry->process = NULL;
if (!--process->use_count)
terminate_after_timeout(process, service_kill_timeout);
release_process(process);
}
service_unlock(service->service_entry);
return ERROR_SUCCESS;

42
programs/services/services.c
View File

@ -82,9 +82,6 @@ static DWORD process_create(const WCHAR *name, struct process_entry **entry)
(*entry)->overlapped_event = CreateEventW(NULL, TRUE, FALSE, NULL);
if (!(*entry)->overlapped_event)
goto error;
(*entry)->status_changed_event = CreateEventW(NULL, FALSE, FALSE, NULL);
if (!(*entry)->status_changed_event)
goto error;
(*entry)->control_pipe = CreateNamedPipeW(name, PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE|PIPE_WAIT, 1, 256, 256, 10000, NULL);
if ((*entry)->control_pipe == INVALID_HANDLE_VALUE)
@ -98,8 +95,6 @@ error:
CloseHandle((*entry)->control_mutex);
if ((*entry)->overlapped_event)
CloseHandle((*entry)->overlapped_event);
if ((*entry)->status_changed_event)
CloseHandle((*entry)->status_changed_event);
HeapFree(GetProcessHeap(), 0, *entry);
return err;
}
@ -110,7 +105,6 @@ static void free_process_entry(struct process_entry *entry)
CloseHandle(entry->control_mutex);
CloseHandle(entry->control_pipe);
CloseHandle(entry->overlapped_event);
CloseHandle(entry->status_changed_event);
HeapFree(GetProcessHeap(), 0, entry);
}
@ -125,6 +119,13 @@ DWORD service_create(LPCWSTR name, struct service_entry **entry)
HeapFree(GetProcessHeap(), 0, *entry);
return ERROR_NOT_ENOUGH_SERVER_MEMORY;
}
(*entry)->status_changed_event = CreateEventW(NULL, TRUE, FALSE, NULL);
if (!(*entry)->status_changed_event)
{
HeapFree(GetProcessHeap(), 0, (*entry)->name);
HeapFree(GetProcessHeap(), 0, *entry);
return GetLastError();
}
(*entry)->ref_count = 1;
(*entry)->status.dwCurrentState = SERVICE_STOPPED;
(*entry)->status.dwWin32ExitCode = ERROR_SERVICE_NEVER_STARTED;
@ -135,6 +136,7 @@ DWORD service_create(LPCWSTR name, struct service_entry **entry)
void free_service_entry(struct service_entry *entry)
{
CloseHandle(entry->status_changed_event);
HeapFree(GetProcessHeap(), 0, entry->name);
HeapFree(GetProcessHeap(), 0, entry->config.lpBinaryPathName);
HeapFree(GetProcessHeap(), 0, entry->config.lpDependencies);
@ -790,6 +792,9 @@ static DWORD service_start_process(struct service_entry *service_entry, struct p
}
service_entry->status.dwCurrentState = SERVICE_START_PENDING;
service_entry->status.dwControlsAccepted = 0;
ResetEvent(service_entry->status_changed_event);
scmdatabase_add_process(service_entry->db, process);
service_entry->process = grab_process(process);
process->use_count++;
@ -814,24 +819,20 @@ static DWORD service_start_process(struct service_entry *service_entry, struct p
return ERROR_SUCCESS;
}
static DWORD process_wait_for_startup(struct process_entry *process)
static DWORD service_wait_for_startup(struct service_entry *service, struct process_entry *process)
{
HANDLE handles[2] = { process->status_changed_event, process->process };
DWORD ret;
HANDLE handles[2] = { service->status_changed_event, process->process };
DWORD result;
ret = WaitForMultipleObjects( 2, handles, FALSE, service_pipe_timeout );
return (ret == WAIT_OBJECT_0) ? ERROR_SUCCESS : ERROR_SERVICE_REQUEST_TIMEOUT;
}
static DWORD service_is_running(struct service_entry *service)
{
DWORD state;
result = WaitForMultipleObjects( 2, handles, FALSE, service_pipe_timeout );
if (result != WAIT_OBJECT_0)
return ERROR_SERVICE_REQUEST_TIMEOUT;
service_lock(service);
state = service->status.dwCurrentState;
result = service->status.dwCurrentState;
service_unlock(service);
return (state == SERVICE_START_PENDING || state == SERVICE_RUNNING) ?
return (result == SERVICE_START_PENDING || result == SERVICE_RUNNING) ?
ERROR_SUCCESS : ERROR_SERVICE_REQUEST_TIMEOUT;
}
@ -911,10 +912,7 @@ DWORD service_start(struct service_entry *service, DWORD service_argc, LPCWSTR *
err = process_send_start_message(process, service->name, service_argv, service_argc);
if (err == ERROR_SUCCESS)
err = process_wait_for_startup(process);
if (err == ERROR_SUCCESS)
err = service_is_running(service);
err = service_wait_for_startup(service, process);
if (err == ERROR_SUCCESS)
ReleaseMutex(process->control_mutex);

2
programs/services/services.h
View File

@ -43,7 +43,6 @@ struct process_entry
HANDLE control_mutex;
HANDLE control_pipe;
HANDLE overlapped_event;
HANDLE status_changed_event;
};
struct service_entry
@ -53,6 +52,7 @@ struct service_entry
LONG ref_count; /* number of references - if goes to zero and the service is deleted the structure will be freed */
LPWSTR name;
SERVICE_STATUS status;
HANDLE status_changed_event;
QUERY_SERVICE_CONFIGW config;
DWORD preshutdown_timeout;
LPWSTR description;