/*
* @implemented
*/
DWORD
WINAPI
SignalObjectAndWait(IN HANDLE hObjectToSignal,
IN HANDLE hObjectToWaitOn,
IN DWORD dwMilliseconds,
IN BOOL bAlertable)
{
PLARGE_INTEGER TimePtr;
LARGE_INTEGER Time;
NTSTATUS Status;
RTL_CALLER_ALLOCATED_ACTIVATION_CONTEXT_STACK_FRAME ActCtx;
/* APCs must execute with the default activation context */
if (bAlertable)
{
/* Setup the frame */
RtlZeroMemory(&ActCtx, sizeof(ActCtx));
ActCtx.Size = sizeof(ActCtx);
ActCtx.Format = RTL_CALLER_ALLOCATED_ACTIVATION_CONTEXT_STACK_FRAME_FORMAT_WHISTLER;
RtlActivateActivationContextUnsafeFast(&ActCtx, NULL);
}
/* Get real handle */
hObjectToWaitOn = TranslateStdHandle(hObjectToWaitOn);
/* Check for console handle */
if ((IsConsoleHandle(hObjectToWaitOn)) &&
(VerifyConsoleIoHandle(hObjectToWaitOn)))
{
/* Get the real wait handle */
hObjectToWaitOn = GetConsoleInputWaitHandle();
}
/* Convert the timeout */
TimePtr = BaseFormatTimeOut(&Time, dwMilliseconds);
/* Start wait loop */
do
{
/* Do the wait */
Status = NtSignalAndWaitForSingleObject(hObjectToSignal,
hObjectToWaitOn,
(BOOLEAN)bAlertable,
TimePtr);
if (!NT_SUCCESS(Status))
{
/* The wait failed */
BaseSetLastNTError(Status);
Status = WAIT_FAILED;
}
} while ((Status == STATUS_ALERTED) && (bAlertable));
/* Cleanup the activation context */
if (bAlertable) RtlDeactivateActivationContextUnsafeFast(&ActCtx);
/* Return wait status */
return Status;
}
DWORD
WINAPI
SignalObjectAndWait(
HANDLE hObjectToSignal,
HANDLE hObjectToWaitOn,
DWORD dwMilliseconds,
BOOL bAlertable
)
{
NTSTATUS Status;
LARGE_INTEGER TimeOut;
PLARGE_INTEGER pTimeOut;
PPEB Peb;
Peb = NtCurrentPeb();
switch( (DWORD)hObjectToWaitOn ) {
case STD_INPUT_HANDLE:
hObjectToWaitOn = Peb->ProcessParameters->StandardInput;
break;
case STD_OUTPUT_HANDLE:
hObjectToWaitOn = Peb->ProcessParameters->StandardOutput;
break;
case STD_ERROR_HANDLE:
hObjectToWaitOn = Peb->ProcessParameters->StandardError;
break;
}
if (CONSOLE_HANDLE(hObjectToWaitOn) && VerifyConsoleIoHandle(hObjectToWaitOn)) {
hObjectToWaitOn = GetConsoleInputWaitHandle();
}
pTimeOut = BaseFormatTimeOut(&TimeOut,dwMilliseconds);
rewait:
Status = NtSignalAndWaitForSingleObject(
hObjectToSignal,
hObjectToWaitOn,
(BOOLEAN)bAlertable,
pTimeOut
);
if ( !NT_SUCCESS(Status) ) {
BaseSetLastNTError(Status);
Status = (NTSTATUS)0xffffffff;
}
else {
if ( bAlertable && Status == STATUS_ALERTED ) {
goto rewait;
}
}
return (DWORD)Status;
}
