X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/43866e378188c25dd1e2208016ab3cbeb086ae6c..b0d623f7f2ae71ed96e60569f61f9a9a27016e80:/bsd/netat/at_proto.c?ds=sidebyside diff --git a/bsd/netat/at_proto.c b/bsd/netat/at_proto.c index 016a603e2..e6acc4660 100644 --- a/bsd/netat/at_proto.c +++ b/bsd/netat/at_proto.c @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1998 Apple Computer, Inc. @@ -39,41 +42,18 @@ #include #include #include +#include #include #include +#include #include +#include #include #include -struct domain atalkdomain; - -extern int ddp_pru_abort(struct socket *so); - -extern int ddp_pru_attach(struct socket *so, int proto, - struct proc *p); -extern int ddp_pru_bind(struct socket *so, struct sockaddr *nam, - struct proc *p); -extern int ddp_pru_connect(struct socket *so, struct sockaddr *nam, - struct proc *p); - -extern int ddp_pru_control(struct socket *so, u_long cmd, caddr_t data, - struct ifnet *ifp, struct proc *p); -extern int ddp_pru_detach(struct socket *so); -extern int ddp_pru_disconnect(struct socket *so); - -extern int ddp_pru_peeraddr(struct socket *so, - struct sockaddr **nam); - -extern int ddp_pru_send(struct socket *so, int flags, struct mbuf *m, - struct sockaddr *addr, struct mbuf *control, - struct proc *p); - -extern int ddp_pru_shutdown(struct socket *so); -extern int ddp_pru_sockaddr(struct socket *so, - struct sockaddr **nam); /* * Dummy usrreqs struct created by Ted for FreeBSD 3.x integration. @@ -84,24 +64,87 @@ struct pr_usrreqs ddp_usrreqs = { ddp_pru_connect, pru_connect2_notsupp, ddp_pru_control, ddp_pru_detach, ddp_pru_disconnect, pru_listen_notsupp, ddp_pru_peeraddr, pru_rcvd_notsupp, pru_rcvoob_notsupp, ddp_pru_send, pru_sense_null, ddp_pru_shutdown, - ddp_pru_sockaddr, sosend, soreceive, sopoll + ddp_pru_sockaddr, sosend, soreceive, pru_sopoll_notsupp }; +extern struct domain atalkdomain; +extern void atalk_dominit(void); + struct protosw atalksw[] = { { SOCK_RAW, &atalkdomain, /*protocol*/ 0, PR_ATOMIC|PR_ADDR, /*input*/ 0, /*output*/ 0, /*clinput*/ 0, ddp_ctloutput, /*ousrreq*/ 0, ddp_init, /*fastto*/ 0, /*slowto*/ 0, /*drain*/ 0, - /*sysctl*/ 0, &ddp_usrreqs + /*sysctl*/ 0, &ddp_usrreqs, + 0, 0, 0, /*lock, unlock, getlock */ + {0, 0}, 0, {0} /* filters */ } }; struct domain atalkdomain = -{ AF_APPLETALK, "appletalk", 0, 0, 0, - atalksw, 0, - 0, 0, 0, - DDP_X_HDR_SIZE, 0 +{ AF_APPLETALK, + "appletalk", + atalk_dominit, + 0, + 0, + atalksw, + 0, + 0, /* dom_rtattach */ + 0, 0, /* dom_rtoffset, dom_maxrtkey */ + DDP_X_HDR_SIZE, 0, + 0, /* domain global mutex */ + 0, /* domain flags */ + {0, 0} /*reserved[2] */ }; -SYSCTL_NODE(_net, PF_APPLETALK, appletalk, CTLFLAG_RW, 0, "AppleTalk Family"); +struct domain * atalkdom = &atalkdomain; +lck_mtx_t *atalk_mutex = NULL; + +lck_mtx_t *atalk_cluster_lock = NULL; +static lck_attr_t *atalk_lock_attr; +static lck_grp_t *atalk_lock_grp; +static lck_grp_attr_t *atalk_lock_grp_attr; + +static int at_saved_lock, at_saved_unlock; + +SYSCTL_NODE(_net, PF_APPLETALK, appletalk, CTLFLAG_RW|CTLFLAG_LOCKED, 0, "AppleTalk Family"); + +void +atalk_dominit(void) +{ + atalk_mutex = atalkdom->dom_mtx; + + atalk_lock_grp_attr = lck_grp_attr_alloc_init(); + atalk_lock_grp = lck_grp_alloc_init("appletalk", atalk_lock_grp_attr); + atalk_lock_attr = lck_attr_alloc_init(); + atalk_cluster_lock = lck_mtx_alloc_init(atalk_lock_grp, + atalk_lock_attr); +} + +void +atalk_lock() +{ + int lr_saved; + lr_saved = (unsigned int) __builtin_return_address(0); + + lck_mtx_assert(atalkdom->dom_mtx, LCK_MTX_ASSERT_NOTOWNED); + lck_mtx_lock(atalkdom->dom_mtx); + at_saved_lock = lr_saved; +} + +void +atalk_unlock() +{ + int lr_saved; + lr_saved = (unsigned int) __builtin_return_address(0); + + lck_mtx_assert(atalkdom->dom_mtx, LCK_MTX_ASSERT_OWNED); + at_saved_unlock = lr_saved; + lck_mtx_unlock(atalkdom->dom_mtx); + +} + + + +