gnumach ./ChangeLog i386/i386/io_perm.c i386/i3...

[Marcus Brinkmann]

CVSROOT:        /cvsroot/hurd
Module name:    gnumach
Changes by:     Marcus Brinkmann <address@hidden>       02/11/20 14:31:08

Modified files:
        .              : ChangeLog 
        i386/i386      : io_perm.c 
Removed files:
        i386/i386      : iopb.c iopb.h 

Log message:
        2002-11-20  Marcus Brinkmann  <address@hidden>
        
        * i386/i386/io_perm.c (io_perm_device_ops): New static variable.
        (i386_io_perm_create): Use the io_perm_device_ops for the device.
        (i386_io_perm_modify): Check that this is really an io_perm device.
        * iopb.h, iopb.c: Obsolete files removed.

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/gnumach/gnumach/ChangeLog.diff?tr1=1.153&tr2=1.154&r1=text&r2=text
http://savannah.gnu.org/cgi-bin/viewcvs/gnumach/gnumach/i386/i386/io_perm.c.diff?tr1=1.2&tr2=1.3&r1=text&r2=text

Patches:
Index: gnumach/ChangeLog
diff -u gnumach/ChangeLog:1.153 gnumach/ChangeLog:1.154
--- gnumach/ChangeLog:1.153     Tue Nov 12 22:30:51 2002
+++ gnumach/ChangeLog   Wed Nov 20 14:31:08 2002
@@ -1,3 +1,10 @@
+2002-11-20  Marcus Brinkmann  <address@hidden>
+
+       * i386/i386/io_perm.c (io_perm_device_ops): New static variable.
+       (i386_io_perm_create): Use the io_perm_device_ops for the device.
+       (i386_io_perm_modify): Check that this is really an io_perm device.
+       * iopb.h, iopb.c: Obsolete files removed.
+
 2002-11-12  Roland McGrath  <address@hidden>
 
        * oskit/ds_routines.c (dev_open_com): Revert last change.
Index: gnumach/i386/i386/io_perm.c
diff -u gnumach/i386/i386/io_perm.c:1.2 gnumach/i386/i386/io_perm.c:1.3
--- gnumach/i386/i386/io_perm.c:1.2     Mon May 27 19:01:50 2002
+++ gnumach/i386/i386/io_perm.c Wed Nov 20 14:31:08 2002
@@ -62,12 +62,15 @@
 #include "io_perm.h"
 #include "gdt.h"
 
-
 /* XXX From oskit/ds_routines.c  */
 device_t dev_open_alloc (void);
 void setup_no_senders (device_t dev);
 
 
+/* We use our own device ops to identify an io_perm pseudo device.  */
+static struct device_ops io_perm_device_ops;
+
+
 /* The outtran which allows MiG to convert an io_perm_t object to a port
    representing it.  */
 ipc_port_t
@@ -144,7 +147,7 @@
   /* Set up the dummy device.  */
   (*new)->com_device = 0;
   (*new)->mode = 0;
-  (*new)->ops = &no_device_ops;
+  (*new)->ops = &io_perm_device_ops;
   setup_no_senders ((device_t) *new);
 
   (*new)->com.io_perm.from = from;
@@ -173,7 +176,8 @@
   unsigned char *iopb;
   io_port_t iopb_size;
 
-  if (target_task == TASK_NULL || (device_t) io_perm == DEVICE_NULL)
+  if (target_task == TASK_NULL || (device_t) io_perm == DEVICE_NULL
+      || ((device_t) io_perm)->ops != &io_perm_device_ops)
     return KERN_INVALID_ARGUMENT;
 
   from = io_perm->com.io_perm.from;