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authorRoland McGrath <roland@gnu.org>1999-07-18 02:27:50 +0000
committerRoland McGrath <roland@gnu.org>1999-07-18 02:27:50 +0000
commit669fe73bcac975d17af6eb86efdbcafc6c44f84b (patch)
tree5f2b1f544fdfdfc175de44ce46a57149b9258d07 /utils/rpctrace.c
parent2139f5ef267530890479af818b553ae8609f9fc7 (diff)
1999-07-17 Roland McGrath <roland@baalperazim.frob.com>
* rpctrace.c (rewrite_right): If we see our own wrapper right, unwrap and replace it with the original send right. (trace_and_forward): Remove vm_map special case.
Diffstat (limited to 'utils/rpctrace.c')
-rw-r--r--utils/rpctrace.c33
1 files changed, 8 insertions, 25 deletions
diff --git a/utils/rpctrace.c b/utils/rpctrace.c
index 5fc82181..8fad04bc 100644
--- a/utils/rpctrace.c
+++ b/utils/rpctrace.c
@@ -208,8 +208,13 @@ rewrite_right (mach_port_t *right, mach_msg_type_name_t *type)
info = ports_lookup_port (traced_bucket, *right, 0);
if (info)
{
- /* This is a send right to an existing wrapper port,
- so just send it on through. */
+ /* This is a send right to one of our own wrapper ports.
+ Instead, send along the original send right. */
+ mach_port_deallocate (mach_task_self (), *right); /* eat msg ref */
+ *right = info->forward;
+ err = mach_port_mod_refs (mach_task_self (), *right,
+ MACH_PORT_RIGHT_SEND, +1);
+ assert_perror (err);
ports_port_deref (info);
return 0;
}
@@ -478,28 +483,6 @@ trace_and_forward (mach_msg_header_t *inp, mach_msg_header_t *outp)
i, portnames[i], name);
continue;
}
- else if (inp->msgh_id == 2089) /* vm_map */
- {
- /* XXX
- */
- struct traced_info *p = ports_lookup_port (traced_bucket,
- portnames[i], 0);
- if (p == 0)
- fprintf (ostream,
- "\t\t[%d] = pass through port %d, type %d\n",
- i, portnames[i], name);
- else
- {
- fprintf (ostream,
- "\t\t[%d] = traced port %d, type %d -> original port %d\n",
- i, portnames[i], name, p->forward);
- mach_port_deallocate (mach_task_self (), portnames[i]);
- portnames[i] = p->forward;
- newtypes[i] = MACH_MSG_TYPE_COPY_SEND;
- ports_port_deref (p);
- continue;
- }
- }
err = rewrite_right (&portnames[i], &newtypes[i]);
assert_perror (err);
@@ -543,7 +526,7 @@ trace_and_forward (mach_msg_header_t *inp, mach_msg_header_t *outp)
case MACH_MSG_TYPE_COPY_SEND:
err = mach_port_mod_refs (mach_task_self (),
portnames[i],
- MACH_PORT_TYPE_SEND, +1);
+ MACH_PORT_RIGHT_SEND, +1);
assert_perror (err);
break;
case MACH_MSG_TYPE_MAKE_SEND: