/*
* @implemented
*/
BOOL
WINAPI
GetCurrentActCtx(OUT PHANDLE phActCtx)
{
NTSTATUS Status;
/* Check if the output handle pointer was invalid */
if (phActCtx == NULL)
{
/* Set error and bail out */
BaseSetLastNTError(STATUS_INVALID_PARAMETER);
return FALSE;
}
/* Call the native API */
Status = RtlGetActiveActivationContext(phActCtx);
if (!NT_SUCCESS(Status))
{
/* Set error and bail out */
BaseSetLastNTError(STATUS_INVALID_PARAMETER);
return FALSE;
}
/* It worked */
return TRUE;
}
/***********************************************************************
* RtlCreateUserThread (NTDLL.@)
*/
NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
BOOLEAN suspended, PVOID stack_addr,
SIZE_T stack_reserve, SIZE_T stack_commit,
PRTL_THREAD_START_ROUTINE start, void *param,
HANDLE *handle_ptr, CLIENT_ID *id )
{
sigset_t sigset;
pthread_t pthread_id;
pthread_attr_t attr;
struct ntdll_thread_data *thread_data;
struct startup_info *info = NULL;
HANDLE handle = 0, actctx = 0;
TEB *teb = NULL;
DWORD tid = 0;
int request_pipe[2];
NTSTATUS status;
if (process != NtCurrentProcess())
{
apc_call_t call;
apc_result_t result;
memset( &call, 0, sizeof(call) );
call.create_thread.type = APC_CREATE_THREAD;
call.create_thread.func = wine_server_client_ptr( start );
call.create_thread.arg = wine_server_client_ptr( param );
call.create_thread.reserve = stack_reserve;
call.create_thread.commit = stack_commit;
call.create_thread.suspend = suspended;
status = server_queue_process_apc( process, &call, &result );
if (status != STATUS_SUCCESS) return status;
if (result.create_thread.status == STATUS_SUCCESS)
{
if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
}
return result.create_thread.status;
}
if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
wine_server_send_fd( request_pipe[0] );
SERVER_START_REQ( new_thread )
{
req->access = THREAD_ALL_ACCESS;
req->attributes = 0; /* FIXME */
req->suspend = suspended;
req->request_fd = request_pipe[0];
if (!(status = wine_server_call( req )))
{
handle = wine_server_ptr_handle( reply->handle );
tid = reply->tid;
}
close( request_pipe[0] );
}
SERVER_END_REQ;
if (status)
{
close( request_pipe[1] );
return status;
}
pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
if ((status = signal_alloc_thread( &teb ))) goto error;
teb->Peb = NtCurrentTeb()->Peb;
teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
teb->ClientId.UniqueThread = ULongToHandle(tid);
teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
/* create default activation context frame for new thread */
RtlGetActiveActivationContext(&actctx);
if (actctx)
{
RTL_ACTIVATION_CONTEXT_STACK_FRAME *frame;
frame = RtlAllocateHeap(GetProcessHeap(), 0, sizeof(*frame));
frame->Previous = NULL;
frame->ActivationContext = actctx;
frame->Flags = 0;
teb->ActivationContextStack.ActiveFrame = frame;
RtlAddRefActivationContext(actctx);
}
info = (struct startup_info *)(teb + 1);
info->teb = teb;
info->entry_point = start;
info->entry_arg = param;
thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
thread_data->request_fd = request_pipe[1];
thread_data->reply_fd = -1;
thread_data->wait_fd[0] = -1;
thread_data->wait_fd[1] = -1;
if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
pthread_attr_init( &attr );
pthread_attr_setstack( &attr, teb->DeallocationStack,
(char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
interlocked_xchg_add( &nb_threads, 1 );
if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
{
interlocked_xchg_add( &nb_threads, -1 );
pthread_attr_destroy( &attr );
status = STATUS_NO_MEMORY;
goto error;
}
pthread_attr_destroy( &attr );
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
if (id) id->UniqueThread = ULongToHandle(tid);
if (handle_ptr) *handle_ptr = handle;
else NtClose( handle );
return STATUS_SUCCESS;
error:
if (teb) signal_free_thread( teb );
if (handle) NtClose( handle );
pthread_sigmask( SIG_SETMASK, &sigset, NULL );
close( request_pipe[1] );
return status;
}