osfmk/kern/ipc_misc.c

55 	ipc_port_t fileport;
59 	fileport = ipc_port_alloc_kernel();
60 	if (fileport == IP_NULL) {
64 	ipc_kobject_set(fileport, (ipc_kobject_t)fg, IKOT_FILEPORT);
65 	ip_lock(fileport); /* unlocked by ipc_port_nsrequest */
66 	notifyport = ipc_port_make_sonce_locked(fileport);
67 	ipc_port_nsrequest(fileport, 1, notifyport, &notifyport);
69 	sendport = ipc_port_make_send(fileport);
71 		panic("Couldn't allocate send right for fileport!\n");
75 	return fileport;
91  * Notes: The caller must have a reference on the fileport.
113  * Description: Handle a no-senders notification for a fileport.  Unless
138 		panic("fileport without an assocated fileglob\n");
153  * Description: Invoke a function with the fileglob underlying the fileport.
167 	ipc_port_t fileport;
171 	    MACH_MSG_TYPE_COPY_SEND, (ipc_object_t *)&fileport);
175 	if ((fg = fileport_port_to_fileglob(fileport)) != NULL)
179 	ipc_port_release_send(fileport);
186  * Description: Invoke the action function on every fileport in the task.
195  *		action		The function to invoke on each fileport