NTSTATUS
CsrNewThread(
VOID
)
/*++
Routine Description:
This function is called by each new thread (except the first thread in
a process.) It's function is to call the subsystem to notify it that
a new thread is starting.
Arguments:
None.
Return Value:
Status Code from either client or server
--*/
{
return NtRegisterThreadTerminatePort( CsrPortHandle );
}
NTSTATUS
DbgUiConnectToDbg( VOID )
/*++
Routine Description:
This routine makes a connection between the caller and the DbgUi
port in the Dbg subsystem. In addition to returning a handle to a
port object, a handle to a state change semaphore is returned. This
semaphore is used in DbgUiWaitStateChange APIs.
Arguments:
None.
Return Value:
TBD.
--*/
{
NTSTATUS st;
UNICODE_STRING PortName;
ULONG ConnectionInformationLength;
SECURITY_QUALITY_OF_SERVICE DynamicQos;
//
// if app is already connected, don't reconnect
//
st = STATUS_SUCCESS;
if ( !DbgUiApiPort ) {
//
// Set up the security quality of service parameters to use over the
// port. Use the most efficient (least overhead) - which is dynamic
// rather than static tracking.
//
DynamicQos.ImpersonationLevel = SecurityImpersonation;
DynamicQos.ContextTrackingMode = SECURITY_DYNAMIC_TRACKING;
DynamicQos.EffectiveOnly = TRUE;
RtlInitUnicodeString(&PortName,L"\\DbgUiApiPort");
ConnectionInformationLength = sizeof(DbgStateChangeSemaphore);
st = NtConnectPort(
&DbgUiApiPort,
&PortName,
&DynamicQos,
NULL,
NULL,
NULL,
(PVOID)&DbgStateChangeSemaphore,
&ConnectionInformationLength
);
if ( NT_SUCCESS(st) ) {
NtRegisterThreadTerminatePort(DbgUiApiPort);
} else {
DbgUiApiPort = NULL;
}
}
return st;
}
