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RE: Right way in Win32 to redirect child process stdout?


Igor boukanov wrote:
> HANDLE old = GetStdHandle(STD_OUTPUT_HANDLE);
> SetStdHandle(STD_OUTPUT_HANDLE, redirection_handle);
> CreateProcess(...);
> SetStdHandle(STD_OUTPUT_HANDLE, old);
> ..
>
> does not work in multithreading program because there is a chance that 
some thread will write to stdout between SetStdHandle and CreateProcess
> spoiling child output to redirection_handle.

> But maybe there is a truly robust way to do that?
>

Do not set stdout of parent, but set child's stdout to redirection_handle 
with StartupInfo structure passed to CreateProcess() call.

--
Sergey Okhapkin, http://www.lexa.ru/sos
Moscow, Russia


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