Rip out the support for /dev/ptmx, the netbsd ptm driver will now DTRT.

It probably ought to have minor 2 (ie do the chown/chmod/revoke on open)
because the SVR4 programs dont know anything about revoke.
This commit is contained in:
dsl 2007-07-05 19:19:24 +00:00
parent 15b661abe9
commit 1cb4e9208d
1 changed files with 2 additions and 64 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: svr4_net.c,v 1.47 2007/03/04 06:01:33 christos Exp $ */
/* $NetBSD: svr4_net.c,v 1.48 2007/07/05 19:19:24 dsl Exp $ */
/*-
* Copyright (c) 1994 The NetBSD Foundation, Inc.
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: svr4_net.c,v 1.47 2007/03/04 06:01:33 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: svr4_net.c,v 1.48 2007/07/05 19:19:24 dsl Exp $");
#define COMPAT_SVR4 1
@ -91,7 +91,6 @@ const struct cdevsw svr4_net_cdevsw = {
* Device minor numbers
*/
enum {
dev_ptm = 10,
dev_arp = 26,
dev_icmp = 27,
dev_ip = 28,
@ -106,7 +105,6 @@ enum {
int svr4_netattach __P((int));
int svr4_soo_close __P((struct file *, struct lwp *));
int svr4_ptm_alloc __P((struct proc *));
static const struct fileops svr4_netops = {
soo_read, soo_write, soo_ioctl, soo_fcntl, soo_poll,
@ -185,10 +183,6 @@ svr4_netopen(dev_t dev, int flag, int mode, struct lwp *l)
DPRINTF(("unix-stream, "));
break;
case dev_ptm:
DPRINTF(("ptm);\n"));
return svr4_ptm_alloc(p);
default:
DPRINTF(("%d);\n", minor(dev)));
return EOPNOTSUPP;
@ -228,62 +222,6 @@ svr4_soo_close(fp, l)
}
int
svr4_ptm_alloc(p)
struct proc *p;
{
/*
* XXX this is very, very ugly. But I can't find a better
* way that won't duplicate a big amount of code from
* sys_open(). Ho hum...
*
* Fortunately for us, Solaris (at least 2.5.1) makes the
* /dev/ptmx open automatically just open a pty, that (after
* STREAMS I_PUSHes), is just a plain pty. fstat() is used
* to get the minor device number to map to a tty.
*
* Cycle through the names. If sys_open() returns ENOENT (or
* ENXIO), short circuit the cycle and exit.
*/
char ptyname[] = "/dev/ptyXX";
static const char ttyletters[] = "pqrstuvwxyzPQRST";
void *sg = stackgap_init(p, 0);
char *path = stackgap_alloc(p, &sg, sizeof(ptyname));
struct sys_open_args oa;
int l = 0, n = 0;
register_t fd = -1;
int error;
SCARG(&oa, path) = path;
SCARG(&oa, flags) = O_RDWR;
SCARG(&oa, mode) = 0;
while (fd == -1) {
ptyname[8] = ttyletters[l];
ptyname[9] = hexdigits[n];
if ((error = copyout(ptyname, path, sizeof(ptyname))) != 0)
return error;
switch (error = sys_open(curlwp, &oa, &fd)) { /* XXX NJWLWP */
case ENOENT:
case ENXIO:
return error;
case 0:
curlwp->l_dupfd = fd;
return EMOVEFD;
default:
if (hexdigits[++n] == '\0') {
if (ttyletters[++l] == '\0')
break;
n = 0;
}
}
}
return ENOENT;
}
struct svr4_strm *
svr4_stream_get(fp)
struct file *fp;