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Subject:	RE: Serial port problems with cygwin1.dll 1.3.15 on Win98SE
Date:	Thu, 14 Nov 2002 17:40:16 -0500
Message-ID:	<59A835EDCDDBEB46BC75402F4604D5528F74BE@elmer>
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From:	"Sergei Okhapkin" <sokhapkin AT LEAPSTONE DOT com>
To:	"Ton van Overbeek" <v-overbeek AT cistron DOT nl>, <cygwin AT cygwin DOT com>
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id gAEMdQj08425

Could you compile cygwin1.dll with the following patch:

diff -u -p -r1.35 fhandler_serial.cc
--- fhandler_serial.cc  7 Nov 2002 18:47:21 -0000       1.35
+++ fhandler_serial.cc  14 Nov 2002 22:37:58 -0000
@@ -420,8 +420,8 @@ fhandler_serial::ioctl (unsigned int cmd

            DWORD cb;
            DWORD mcr;
-           if (!DeviceIoControl (get_handle (),
IOCTL_SERIAL_GET_DTRRTS,
-                                 NULL, 0, &mcr, 4, &cb, 0) || cb != 4)
+           if (1/*!DeviceIoControl (get_handle (),
IOCTL_SERIAL_GET_DTRRTS,
+                                 NULL, 0, &mcr, 4, &cb, 0) || cb !=
4*/)
              ipbuffer |= rts | dtr;
            else
              {

-----Original Message-----
From: Ton van Overbeek [mailto:v-overbeek AT cistron DOT nl] 
Sent: Thursday, November 14, 2002 5:07 PM
To: Sergei Okhapkin; cygwin AT cygwin DOT com
Subject: RE: Serial port problems with cygwin1.dll 1.3.15 on Win98SE


Some more input.
Attached strace output from a successfull run with the cygwin-1.3.14
dll. What I can spot in the log is that when com4 is read it now has a
read timeout of 1000 (vtime=1000), while in the unsuccessfull runs vmin
was 0. Does that ring any bells ?

Ton van Overbeek

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