Index | Thread | Search

From:
Rob Schmersel <rob.schmersel@bahnhof.se>
Subject:
Re: [editor/micro] stopped working
To:
ports@openbsd.org
Date:
Wed, 17 Apr 2024 07:46:19 +0200

Download raw body.

Thread
On Mon, 8 Apr 2024 07:26:04 +0200
Rob Schmersel <rob.schmersel@bahnhof.se> wrote:

> On Sun, 7 Apr 2024 12:21:14 -0400
> George Koehler <kernigh@gmail.com> wrote:
> 
> > On Sun, 7 Apr 2024 15:57:26 +0200
> > Rob Schmersel <rob.schmersel@bahnhof.se> wrote:
> > 
> > > I tracked it down to the use of syscall in the tcell package file
> > > tscreen_bsd.go (line 46)
> > > 
> > > 
> > >  >       fd = uintptr(t.out.(*os.File).Fd())
> > >  >       if _, _, e1 := syscall.Syscall6(syscall.SYS_IOCTL, fd,
> > >  > ioc, tios, 0, 0, 0); e1 != 0 { e = e1
> > >  >               goto failed
> > >  >       }
> > 
> > Joel Sing patched our lang/go to allow SYS_IOCTL in Syscall, but not
> > in Syscall6.  I tried changing Syscall6 to Syscall in
> > tscreen_bsd.go. The "function not implemented" error stopped
> > appearing, but
> > 
> I think there is a reason why Syscall6 was used instead of Syscall
> (i.e. number of arguments). Just removing the last 3 arguments now
> makes the last argument (tios) be a pointer (at least according to the
> syscall package description) which I'm not sure is the intention and
> probably the reason for the black screen :)
> 
> So I guess I need to look at the syscall package to figure what
> changes where made for Syscall. Will give it go later today.
> 
> >  - micro got stuck on a black screen; I needed to close the
> > terminal.
> Got the same after patching
> 
> >  - I can't add my patch to the port, because "make update-patches"
> >    doesn't see it.  The file is outside WRKSRC, in
> >    WRKDIR/go/pkg/mod/github.com/zyedidia/tcell/v2@v2.0.10
> > 
> 
> Yeah, the tcell package is a dependency that gets pulled in during
> compilation. We need to request upstream to patch or get tcell as an
> own package once it is figured out what is the cause (it definitely
> used to work before :))
> 
> > --- tscreen_bsd.go.orig.port	Sun Apr  7 11:53:03 2024
> > +++ tscreen_bsd.go	Sun Apr  7 11:57:57 2024
> > @@ -43,7 +43,7 @@
> >  	tios = uintptr(unsafe.Pointer(t.tiosp))
> >  	ioc = uintptr(syscall.TIOCGETA)
> >  	fd = uintptr(t.out.(*os.File).Fd())
> > -	if _, _, e1 := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioc,
> > tios, 0, 0, 0); e1 != 0 {
> > +	if _, _, e1 := syscall.Syscall(syscall.SYS_IOCTL, fd, ioc,
> > tios); e1 != 0 { e = e1
> >  		goto failed
> >  	}
> > @@ -61,7 +61,7 @@
> >  	tios = uintptr(unsafe.Pointer(&newtios))
> >  
> >  	ioc = uintptr(syscall.TIOCSETA)
> > -	if _, _, e1 := syscall.Syscall6(syscall.SYS_IOCTL, fd, ioc,
> > tios, 0, 0, 0); e1 != 0 {
> > +	if _, _, e1 := syscall.Syscall(syscall.SYS_IOCTL, fd, ioc,
> > tios); e1 != 0 { e = e1
> >  		goto failed
> >  	}
> > @@ -94,7 +94,7 @@
> >  		fd := uintptr(t.out.(*os.File).Fd())
> >  		ioc := uintptr(syscall.TIOCSETAF)
> >  		tios := uintptr(unsafe.Pointer(t.tiosp))
> > -		syscall.Syscall6(syscall.SYS_IOCTL, fd, ioc, tios,
> > 0, 0, 0)
> > +		syscall.Syscall(syscall.SYS_IOCTL, fd, ioc, tios)
> >  		t.out.(*os.File).Close()
> >  	}
> >  	if t.in != nil {
> > @@ -108,8 +108,8 @@
> >  	dim := [4]uint16{}
> >  	dimp := uintptr(unsafe.Pointer(&dim))
> >  	ioc := uintptr(syscall.TIOCGWINSZ)
> > -	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL,
> > -		fd, ioc, dimp, 0, 0, 0); err != 0 {
> > +	if _, _, err := syscall.Syscall(syscall.SYS_IOCTL,
> > +		fd, ioc, dimp); err != 0 {
> >  		return -1, -1, err
> >  	}
> >  	return int(dim[1]), int(dim[0]), nil
> > 
> 

after banging my head against this over the weekend I have to admit
defeat as I have no clue whatsover :)
Is there anybody else here on the list who can help