replace mach_port_t with mach_port_name_t

This is a cleanup following the introduction of mach_port_name_t.
The same set of changes is applied to all files:
- rename mach_port_t to mach_port_name_t where a port name is used,
- use MACH_PORT_NAME_NULL and MACH_PORT_NAME_DEAD where appropriate,
- use invalid_port_to_name() and invalid_name_to_port() for conversion
  where appropriate,
- use regular copyout() insted of copyout_port() when we deal with
  mach_port_name_t already before copyout,
- use the new helper ipc_kmsg_copyout_object_to_port() when we really
  want to place a port name in the space of a mach_port_t.

* include/mach/notify.h: Likewise
* ipc/ipc_entry.c: Likewise
* ipc/ipc_kmsg.c: Likewise
* ipc/ipc_kmsg.h: Likewise, and add ipc_kmsg_copyout_object_to_port()
* ipc/ipc_marequest.c: Likewise
* ipc/ipc_object.c: Likewise
* ipc/ipc_port.c: Likewise
* ipc/ipc_space.h: Likewise
* ipc/mach_msg.c: Likewise
* ipc/mach_port.c: Likewise
* kern/exception.c: Likewise
* kern/ipc_mig.c: Likewise
Message-Id: <20230116105857.240210-8-luca@orpolo.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/ipc/ipc_marequest.c b/ipc/ipc_marequest.c
index 526e4722..c096fe24 100644
--- a/ipc/ipc_marequest.c
+++ b/ipc/ipc_marequest.c
@@ -279,7 +279,7 @@ ipc_marequest_cancel(
 	*last = marequest->imar_next;
 	imarb_unlock(bucket);
 
-	marequest->imar_name = MACH_PORT_NULL;
+	marequest->imar_name = MACH_PORT_NAME_NULL;
 }
 
 /*
@@ -377,7 +377,7 @@ ipc_marequest_destroy(ipc_marequest_t marequest)
 			entry->ie_bits &= ~IE_BITS_MAREQUEST;
 
 		} else
-			name = MACH_PORT_NULL;
+			name = MACH_PORT_NAME_NULL;
 	}
 
 	is_write_unlock(space);