projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * Copyright (c) 1996 Apple Computer, Inc. | |
| 24 | * | |
| 25 | * Created April 8, 1996 by Tuyen Nguyen | |
| 26 | * Modified, March 17, 1997 by Tuyen Nguyen for MacOSX. | |
| 27 | * | |
| 28 | * File: cfg.c | |
| 29 | */ | |
| 30 | #define RESOLVE_DBG | |
| 31 | #include <sys/errno.h> | |
| 32 | #include <sys/types.h> | |
| 33 | #include <sys/param.h> | |
| 34 | #include <machine/spl.h> | |
| 35 | #include <sys/systm.h> | |
| 36 | #include <sys/kernel.h> | |
| 37 | #include <sys/proc.h> | |
| 38 | #include <sys/filedesc.h> | |
| 39 | #include <sys/fcntl.h> | |
| 40 | #include <sys/mbuf.h> | |
| 41 | #include <sys/socket.h> | |
| 42 | #include <sys/socketvar.h> | |
| 43 | #include <net/if.h> | |
| 44 | ||
| 45 | #include <netat/sysglue.h> | |
| 46 | #include <netat/appletalk.h> | |
| 47 | #include <netat/at_var.h> | |
| 48 | #include <netat/routing_tables.h> | |
| 49 | #include <netat/at_pcb.h> | |
| 50 | #include <netat/aurp.h> | |
| 51 | ||
| 52 | extern atlock_t aurpgen_lock; | |
| 53 | static int aurp_inited = 0; | |
| 54 | static char aurp_minor_no[4]; | |
| 55 | ||
| 56 | int aurp_open(gref) | |
| 57 | gref_t *gref; | |
| 58 | { | |
| 59 | extern void AURPcmdx(); | |
| 60 | int i; | |
| 61 | ||
| 62 | if (!aurp_inited) { | |
| 63 | aurp_inited = 1; | |
| 64 | ATLOCKINIT(aurpgen_lock); | |
| 65 | } | |
| 66 | ||
| 67 | for (i=1; i < sizeof(aurp_minor_no); i++) { | |
| 68 | if (aurp_minor_no[i] == 0) { | |
| 69 | aurp_minor_no[i] = (char )i; | |
| 70 | break; | |
| 71 | } | |
| 72 | } | |
| 73 | if (i == sizeof(aurp_minor_no)) | |
| 74 | return EAGAIN; | |
| 75 | if (i == 1) { | |
| 76 | aurp_gref = gref; | |
| 77 | if (ddp_AURPfuncx(AURPCODE_REG, AURPcmdx, 0)) { | |
| 78 | aurp_gref = 0; | |
| 79 | aurp_minor_no[i] = 0; | |
| 80 | return EPROTO; | |
| 81 | } | |
| 82 | } | |
| 83 | ||
| 84 | gref->info = (void *)&aurp_minor_no[i]; | |
| 85 | return 0; | |
| 86 | } | |
| 87 | ||
| 88 | int aurp_close(gref) | |
| 89 | gref_t *gref; | |
| 90 | { | |
| 91 | if (*(char *)gref->info == 1) { | |
| 92 | aurp_gref = 0; | |
| 93 | aurp_inited = 0; | |
| 94 | ddp_AURPfuncx(AURPCODE_REG, 0, 0); | |
| 95 | } | |
| 96 | ||
| 97 | *(char *)gref->info = 0; | |
| 98 | gref->info = 0; | |
| 99 | return 0; | |
| 100 | } |