Re: dosemu-1.1.3.3 for testing

[Michal Samek <webmaster@tony.cz>]

Neither 1.1.3.3 nor 1.1.3.4 don't solves the locking problems with
clipper apps. The behaviour is the same as before.

Michal Samek

On Ne, 2002-09-15 at 00:58, Bart Oldeman wrote:
> Hi,
> 
> a new prerelease is available at http://www.dosemu.org/testing
> This includes the keyboard fixes, the 30 minutes in DOS EDIT problem, the
> hlist fix (255 times "dir" gave problems), various other MFS (for
> lredir'ed drives) changes, some DPMI PIC fixes and some of part of the
> work to get non-suid-root IPX working.
> 
> I also included Per's get PID and PPID patch and Clarence's patch to show
> the current program in the xdos title bar if you run comcom.com.
> 
> See the Changelog (in the patch) for other things and more details.
> 
> It would be good to get some feedback from people who need locking (for
> Clipper, FoxPro and friends) as I changed the file locking scheme to be
> more like what DOS expects and also added a patch from Sergey.
> 
> Especially if it is worse than before please tell me.
> 
> If you still have problems with locking try the patch from Sergey and see
> if it makes a difference. It should not go in until we understand the bit
> fiddling however.
> 
> Bart
> 
> diff -ur dosemu-1.1.3.3/src/dosext/mfs/mfs.c dosemu-1.1.3.3.bart/src/dosext/mfs/mfs.c
> --- dosemu-1.1.3.3/src/dosext/mfs/mfs.c	Sun Aug 18 18:45:42 2002
> +++ dosemu-1.1.3.3.bart/src/dosext/mfs/mfs.c	Sat Sep 14 18:32:38 2002
> @@ -3864,8 +3864,12 @@
>  			the top two bits are set. Shift the top ones by two bits. This
>  			still allows OLE2 apps to operate, but should stop lockd from
>  			dieing */
> +#if 0
>  		if ((larg.l_start & mask) != 0)
>  			larg.l_start = (larg.l_start & ~mask) | ((larg.l_start & mask) >> 2);
> +#else
> +		larg.l_start &= 0x7fffffff;
> +#endif
> 
>  		ret = fcntl (fd,F_SETLK,&larg);
>  		Debug0((dbg_fd, "lock fd=%x rc=%x type=%x whence=%x start=%lx, len=%lx\n",
> 
> 
> -
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