diff options
Diffstat (limited to 'kern/ipc_mig.c')
| -rw-r--r-- | kern/ipc_mig.c | 40 |
1 files changed, 19 insertions, 21 deletions
diff --git a/kern/ipc_mig.c b/kern/ipc_mig.c index ed5df1f..f90c512 100644 --- a/kern/ipc_mig.c +++ b/kern/ipc_mig.c @@ -1,25 +1,25 @@ -/* +/* * Mach Operating System * Copyright (c) 1991,1990 Carnegie Mellon University * All Rights Reserved. - * + * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. - * + * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. - * + * * Carnegie Mellon requests users of this software to return to - * + * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 - * + * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ @@ -208,7 +208,7 @@ mach_msg_rpc_from_kernel( ipc_kmsg_put_to_kernel(msg, kmsg, kmsg->ikm_header.msgh_size); return MACH_MSG_SUCCESS; } -#endif NORMA_VM +#endif /* NORMA_VM */ /* * Routine: mach_msg_abort_rpc @@ -371,7 +371,7 @@ mig_dealloc_reply_port( /* * Routine: mig_put_reply_port * Purpose: - * Called by client side interfaces after each RPC to + * Called by client side interfaces after each RPC to * let the client recycle the reply port if it wishes. */ void @@ -384,16 +384,16 @@ mig_put_reply_port( * mig_strncpy.c - by Joshua Block * * mig_strncp -- Bounded string copy. Does what the library routine strncpy - * OUGHT to do: Copies the (null terminated) string in src into dest, a + * OUGHT to do: Copies the (null terminated) string in src into dest, a * buffer of length len. Assures that the copy is still null terminated * and doesn't overflow the buffer, truncating the copy if necessary. * * Parameters: - * + * * dest - Pointer to destination buffer. - * + * * src - Pointer to source string. - * + * * len - Length of destination buffer. */ void mig_strncpy(dest, src, len) @@ -444,10 +444,10 @@ port_name_to_device(name) { register ipc_port_t port; register device_t device; - + fast_send_right_lookup(name, port, goto abort); /* port is locked */ - + /* * Now map the port object to a device object. * This is an inline version of dev_port_lookup(). @@ -456,25 +456,25 @@ port_name_to_device(name) device = (device_t) port->ip_kobject; device_reference(device); ip_unlock(port); - return device; + return device; } - + ip_unlock(port); return DEVICE_NULL; - + /* * The slow case. The port wasn't easily accessible. */ abort: { ipc_port_t kern_port; kern_return_t kr; - + kr = ipc_object_copyin(current_space(), name, MACH_MSG_TYPE_COPY_SEND, (ipc_object_t *) &kern_port); if (kr != KERN_SUCCESS) return DEVICE_NULL; - + device = dev_port_lookup(kern_port); if (IP_VALID(kern_port)) ipc_port_release_send(kern_port); @@ -1130,5 +1130,3 @@ syscall_device_writev_request(mach_port_t device_name, device_deallocate(dev); return res; } - - |