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SubjectQuestion about I_SENDFD
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<DIV><FONT size=2>Respected colleagues!<BR>In advanced Unix systems, including
SCO UnixWare, SUN OS </FONT></DIV>
<DIV><FONT size=2>there is a facility of transmission of descriptor of openning
file </FONT></DIV>
<DIV><FONT size=2>through stream, by means of the command ioctl I_SENDFD.
</FONT></DIV>
<DIV><FONT size=2>For instance, following command writes transDsc descriptor to
the stream streamDsc.<BR>&nbsp;&nbsp;&nbsp; int ret = ioctl(streamDsc, I_SENDFD,
transDsc);<BR>On Red Hat Linux kernel 2.2.16 ret is -1,&nbsp; errno is 22 -
Invalid argument.<BR>That is here done not so, or be other ways of transmission
of file descriptor between processes?</FONT></DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2></FONT>&nbsp;</DIV>
<DIV><FONT size=2>Andrey Kaplanov.</FONT></DIV></BODY></HTML>
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