void FWindowsPlatformProcess::CloseProc(FProcHandle & ProcessHandle)
{
if (ProcessHandle.IsValid())
{
::CloseHandle(ProcessHandle.Get());
ProcessHandle.Reset();
}
}
void FLinuxPlatformProcess::CloseProc(FProcHandle & ProcessHandle)
{
// dispose of both handle and process info
FProcState * ProcInfo = ProcessHandle.GetProcessInfo();
ProcessHandle.Reset();
delete ProcInfo;
}
bool FFeedbackContextMarkup::PipeProcessOutput(const FText& Description, const FString& URL, const FString& Params, FFeedbackContext* Warn, int32* OutExitCode)
{
bool bRes;
// Create a read and write pipe for the child process
void* PipeRead = NULL;
void* PipeWrite = NULL;
verify(FPlatformProcess::CreatePipe(PipeRead, PipeWrite));
// Start the slow task
Warn->BeginSlowTask(Description, true, true);
// Create the process
FProcHandle ProcessHandle = FPlatformProcess::CreateProc(*URL, *Params, false, true, true, NULL, 0, NULL, PipeWrite);
if(ProcessHandle.IsValid())
{
FString BufferedText;
for(bool bProcessFinished = false; !bProcessFinished; )
{
bProcessFinished = FPlatformProcess::GetProcReturnCode(ProcessHandle, OutExitCode);
if(!bProcessFinished && Warn->ReceivedUserCancel())
{
FPlatformProcess::TerminateProc(ProcessHandle);
bProcessFinished = true;
}
BufferedText += FPlatformProcess::ReadPipe(PipeRead);
int32 EndOfLineIdx;
while(BufferedText.FindChar('\n', EndOfLineIdx))
{
FString Line = BufferedText.Left(EndOfLineIdx);
Line.RemoveFromEnd(TEXT("\r"));
if(!ParseCommand(Line, Warn))
{
Warn->Log(*Line);
}
BufferedText = BufferedText.Mid(EndOfLineIdx + 1);
}
FPlatformProcess::Sleep(0.1f);
}
ProcessHandle.Reset();
bRes = true;
}
else
{
Warn->Logf(ELogVerbosity::Error, TEXT("Couldn't create process '%s'"), *URL);
bRes = false;
}
// Finish the slow task
Warn->EndSlowTask();
// Close the pipes
FPlatformProcess::ClosePipe(0, PipeRead);
FPlatformProcess::ClosePipe(0, PipeWrite);
return bRes;
}