X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/c0fea4742e91338fffdcf79f86a7c1d5e2b97eb1..8f6c56a50524aa785f7e596d52dddfb331e18961:/bsd/netat/at_proto.c diff --git a/bsd/netat/at_proto.c b/bsd/netat/at_proto.c index 74e1808e6..de59959de 100644 --- a/bsd/netat/at_proto.c +++ b/bsd/netat/at_proto.c @@ -1,23 +1,29 @@ /* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * 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. 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. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * 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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * 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. @@ -71,6 +77,7 @@ extern int ddp_pru_send(struct socket *so, int flags, struct mbuf *m, extern int ddp_pru_shutdown(struct socket *so); extern int ddp_pru_sockaddr(struct socket *so, struct sockaddr **nam); +void atalk_dominit(); /* * Dummy usrreqs struct created by Ted for FreeBSD 3.x integration. @@ -84,45 +91,31 @@ struct pr_usrreqs ddp_usrreqs = { ddp_pru_sockaddr, sosend, soreceive, pru_sopoll_notsupp }; -extern struct domain atalkdomain; -extern void atalk_dominit(void); - +struct domain atalkdomain; 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, - 0, 0, 0, /*lock, unlock, getlock */ - {0, 0}, 0, {0} /* filters */ + 0, 0, 0 } }; struct domain atalkdomain = -{ 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] */ +{ AF_APPLETALK, "appletalk", atalk_dominit, 0, 0, + atalksw, 0, + 0, 0, 0, + DDP_X_HDR_SIZE, 0 }; struct domain * atalkdom = &atalkdomain; lck_mtx_t *atalk_mutex = NULL; -static int at_saved_lock, at_saved_unlock; - SYSCTL_NODE(_net, PF_APPLETALK, appletalk, CTLFLAG_RW, 0, "AppleTalk Family"); void -atalk_dominit(void) +atalk_dominit() { atalk_mutex = atalkdom->dom_mtx; } @@ -130,22 +123,24 @@ atalk_dominit(void) void atalk_lock() { - int lr_saved; - lr_saved = (unsigned int) __builtin_return_address(0); - + int error = 0, lr, lr_saved; +#ifdef __ppc__ + __asm__ volatile("mflr %0" : "=r" (lr)); + lr_saved = lr; +#endif 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); - + int error = 0, lr, lr_saved; +#ifdef __ppc__ + __asm__ volatile("mflr %0" : "=r" (lr)); + lr_saved = lr; +#endif lck_mtx_assert(atalkdom->dom_mtx, LCK_MTX_ASSERT_OWNED); - at_saved_unlock = lr_saved; lck_mtx_unlock(atalkdom->dom_mtx); }