cygwin 1.3.21 breaks ssh terminal interaction

Ronald Landheer-Cieslak ronald@landheer.com
Fri Mar 14 16:40:00 GMT 2003


try using an AllocConsole() in your non-Cygwin app and in your Cygwin app, 
like so:
#include <windows.h>
#include <io.h>
#include <stdio.h>
#include <fcntl.h>
// STC for the phantom console 1.3.21-1 problem
inline void OpenConsole(void)
{
 int hCrt;
 FILE * hf;
 if (AllocConsole())
 {
 #ifndef __CYGWIN__
 hCrt = _open_osfhandle((long)GetStdHandle(STD_ERROR_HANDLE), 
_O_TEXT);
 hf = _fdopen( hCrt, "w" );
 #else
 hf = fdopen( 2, "w" );
 #endif
 *stderr = *hf;
 setvbuf( stderr, NULL, _IONBF, 0 );
 #ifndef __CYGWIN__
 hCrt = _open_osfhandle((long)GetStdHandle(STD_OUTPUT_HANDLE), 
_O_TEXT);
 hf = _fdopen( hCrt, "w" );
 #else
 hf = fdopen( 1, "w" );
 #endif
 *stdout = *hf;
 setvbuf( stdout, NULL, _IONBF, 0 );
 }
}
int main(void)
{
	OpenConsole();
	
	printf("Hello, world!\n");
	
	return(0);
}
Compile this with -mno-cygwin and without it, and run it from cmd. The 
Cygwin app will allocate a new console, the native app won't.
Is that the STC you were looking for (or is it not the right problem)?
rlc
On 2003年3月14日, Rolf Campbell wrote:
> Corinna Vinschen wrote:
> > On Fri, Mar 14, 2003 at 03:48:40PM +0100, Loewis Martin von wrote:
> > 
> >>After upgrading to the latest cygwin, ssh won't ask me 
> >>for a password anymore in the terminal window that WinCVS
> >>1.3.12.1 opens. I have confirmed that this is the cause
> >>of the problem by reverting cygwin to 1.3.20.
> >>
> >>The same happens when I run WinCVS' cvs.exe in a terminal
> >>window.
> > 
> > 
> > WFM with cvs from the Cygwin distro.
> > 
> > Corinna
>> I'll speculate that this is the same problem that I've seen using Emacs. 
> If everything is CygWin, then everything works just dandy. But, 
> something happens when a cygwin program runs a non-cygwin program (or 
> vice-versa): The launched app will disregard it's parent's "console" 
> and create it's own.
>> I've been trying to reproduce it with some relatively simple -mno-cygwin 
> app, but so far, I've been unable to make any progress.
>> -Rolf
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