<HTML><BODY style="word-wrap: break-word; -khtml-nbsp-mode: space; -khtml-line-break: after-white-space; ">Hi,<DIV><BR class="khtml-block-placeholder"></DIV><DIV> I am trying to use FIFO's instead of open-process to communicate with a separate process (since open-process doesn't work on MinGW for the moment). It seems that there is also some problems with FIFO's.</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV>On MacOSX 10.4 (Gambit-Cb14) I get:</DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">(</SPAN></FONT><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">let</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"> ((fifo-in (create-fifo </SPAN></FONT><FONT class="Apple-style-span" color="#606060" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">"/tmp/myfifo"</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">)))</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"> </SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">(define p (open-output-file </SPAN></FONT><FONT class="Apple-style-span" color="#606060" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">"/tmp/myfifo"</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">))</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"> </SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">(write '(12 3 4) p))</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">*** ERROR IN (stdin)@27.13 -- Device not configured</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">(open-output-file "/tmp/myfifo")</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><FONT class="Apple-style-span" color="#000000" face="Helvetica" size="3"><SPAN class="Apple-style-span" style="font-size: 12px;">On MinGW (Gambit-Cb14) I get:</SPAN></FONT></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">*** ERROR IN (stdin)@13.13 -- Unknown Error</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">(create-fifo "/tmp/myfifo")</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" color="#0000FF" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">When I do it step by step in the gsi interpreter on MacOSX it works!!!</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">What am I missing?</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><BR class="khtml-block-placeholder"></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">> (create-fifo </SPAN></FONT><FONT class="Apple-style-span" color="#606060" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">"/tmp/myfifo"</SPAN></FONT><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">)</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">> (define p (open-output-file <FONT class="Apple-style-span" color="#606060">"/tmp/myfifo"</FONT>)</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;">> (write '(12 3 4) p))</SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Thank you,</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; ">Francois Magnan</DIV><DIV style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; "><FONT class="Apple-style-span" face="Monaco" size="3"><SPAN class="Apple-style-span" style="font-size: 11px;"><BR class="khtml-block-placeholder"></SPAN></FONT></DIV></BODY></HTML>