| 1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| 2 | /* ***** BEGIN LICENSE BLOCK *****
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| 3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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| 4 | *
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| 5 | * The contents of this file are subject to the Mozilla Public License Version
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| 6 | * 1.1 (the "License"); you may not use this file except in compliance with
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| 7 | * the License. You may obtain a copy of the License at
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| 8 | * http://www.mozilla.org/MPL/
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| 9 | *
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| 10 | * Software distributed under the License is distributed on an "AS IS" basis,
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| 11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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| 12 | * for the specific language governing rights and limitations under the
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| 13 | * License.
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| 14 | *
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| 15 | * The Original Code is the Netscape Portable Runtime (NSPR).
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| 16 | *
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| 17 | * The Initial Developer of the Original Code is
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| 18 | * Netscape Communications Corporation.
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| 19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
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| 20 | * the Initial Developer. All Rights Reserved.
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| 21 | *
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| 22 | * Contributor(s):
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| 23 | *
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| 24 | * Alternatively, the contents of this file may be used under the terms of
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| 25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
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| 26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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| 27 | * in which case the provisions of the GPL or the LGPL are applicable instead
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| 28 | * of those above. If you wish to allow use of your version of this file only
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| 29 | * under the terms of either the GPL or the LGPL, and not to allow others to
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| 30 | * use your version of this file under the terms of the MPL, indicate your
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| 31 | * decision by deleting the provisions above and replace them with the notice
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| 32 | * and other provisions required by the GPL or the LGPL. If you do not delete
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| 33 | * the provisions above, a recipient may use your version of this file under
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| 34 | * the terms of any one of the MPL, the GPL or the LGPL.
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| 35 | *
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| 36 | * ***** END LICENSE BLOCK ***** */
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| 37 |
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| 38 | /*
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| 39 | ** This is the OpenVMS machine dependant configuration file. It is based
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| 40 | ** on the OSF/1 machine dependant file.
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| 41 | */
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| 42 |
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| 43 | #ifndef nspr_openvms_defs_h___
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| 44 | #define nspr_openvms_defs_h___
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| 45 |
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| 46 | /*
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| 47 | * Internal configuration macros
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| 48 | */
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| 49 |
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| 50 | #define PR_LINKER_ARCH "OpenVMS"
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| 51 | #define _PR_SI_SYSNAME "OpenVMS"
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| 52 | #ifdef __alpha
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| 53 | #define _PR_SI_ARCHITECTURE "alpha"
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| 54 | #else
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| 55 | #define _PR_SI_ARCHITECTURE "vax"
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| 56 | #endif
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| 57 | #define PR_DLL_SUFFIX ".so"
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| 58 |
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| 59 | #define _PR_VMBASE 0x30000000
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| 60 | #define _PR_STACK_VMBASE 0x50000000
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| 61 | #define _MD_DEFAULT_STACK_SIZE 131072L
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| 62 | #define _MD_MINIMUM_STACK_SIZE 131072L
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| 63 |
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| 64 | /*
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| 65 | ** This is not defined on OpenVMS. I believe its only used in GC code, and
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| 66 | ** isn't that only used in Java? Anyway, for now, let's keep the compiler
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| 67 | ** happy.
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| 68 | */
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| 69 | #define SA_RESTART 0
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| 70 |
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| 71 | /*
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| 72 | ** OpenVMS doesn't have these in socket.h.
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| 73 | ** Does in later versions!
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| 74 | */
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| 75 | #if 0
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| 76 | struct ip_mreq {
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| 77 | struct in_addr imr_multiaddr; /* IP multicast address of group */
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| 78 | struct in_addr imr_interface; /* local IP address of interface */
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| 79 | };
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| 80 | #endif
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| 81 |
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| 82 | /*
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| 83 | * OSF1 needs the MAP_FIXED flag to ensure that mmap returns a pointer
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| 84 | * with the upper 32 bits zero. This is because Java sticks a pointer
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| 85 | * into an int.
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| 86 | */
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| 87 | #define _MD_MMAP_FLAGS MAP_PRIVATE|MAP_FIXED
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| 88 |
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| 89 | #undef HAVE_STACK_GROWING_UP
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| 90 | #undef HAVE_WEAK_IO_SYMBOLS
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| 91 | #undef HAVE_WEAK_MALLOC_SYMBOLS
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| 92 | #undef HAVE_BSD_FLOCK
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| 93 |
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| 94 | #define NEED_TIME_R
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| 95 |
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| 96 | #define HAVE_DLL
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| 97 | #define USE_DLFCN
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| 98 |
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| 99 | #define _PR_POLL_AVAILABLE
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| 100 | #define _PR_USE_POLL
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| 101 | #define _PR_STAT_HAS_ONLY_ST_ATIME
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| 102 | #define _PR_NO_LARGE_FILES
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| 103 | #define _PR_STRICT_ADDR_LEN
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| 104 |
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| 105 | /* IPv6 support */
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| 106 | #ifdef _SOCKADDR_LEN
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| 107 | #define _PR_HAVE_SOCKADDR_LEN
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| 108 | #endif
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| 109 | #define _PR_HAVE_GETIPNODEBYNAME
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| 110 | #define _PR_HAVE_GETIPNODEBYADDR
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| 111 | #define _PR_HAVE_GETADDRINFO
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| 112 | #define _PR_INET6_PROBE
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| 113 | #ifdef _PR_INET6
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| 114 | #define _PR_HAVE_INET_NTOP
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| 115 | #else
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| 116 | #define AF_INET6 26
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| 117 | #ifndef AI_CANONNAME
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| 118 | #define AI_CANONNAME 0x00000002
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| 119 | struct addrinfo {
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| 120 | int ai_flags;
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| 121 | int ai_family;
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| 122 | int ai_socktype;
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| 123 | int ai_protocol;
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| 124 | size_t ai_addrlen;
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| 125 | char *ai_canonname;
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| 126 | struct sockaddr *ai_addr;
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| 127 | struct addrinfo *ai_next;
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| 128 | };
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| 129 | #endif
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| 130 | #define AI_V4MAPPED 0x00000010
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| 131 | #define AI_ALL 0x00000008
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| 132 | #define AI_ADDRCONFIG 0x00000020
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| 133 | #endif
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| 134 |
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| 135 | #define _PR_HAVE_MD_SOCKADDR_IN6
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| 136 | /* if we have a quadword field defined in the structure, then its length */
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| 137 | /* will be a multiple of 8, and connect() won't accept 32 (it wants 28) */
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| 138 | struct _md_in6_addr {
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| 139 | union {
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| 140 | PRUint8 _S6_u8[16];
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| 141 | PRUint16 _S6_u16[8];
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| 142 | PRUint32 _S6_u32[4];
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| 143 | } _S6_un;
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| 144 | };
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| 145 | struct _md_sockaddr_in6 {
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| 146 | PRUint16 sin6_family;
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| 147 | PRUint16 sin6_port;
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| 148 | PRUint32 sin6_flowinfo;
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| 149 | struct _md_in6_addr sin6_addr;
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| 150 | PRUint32 sin6_scope_id;
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| 151 | };
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| 152 |
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| 153 | #undef USE_SETJMP
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| 154 |
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| 155 | #include <setjmp.h>
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| 156 |
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| 157 | /*
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| 158 | * A jmp_buf is actually a struct sigcontext. The sc_sp field of
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| 159 | * struct sigcontext is the stack pointer.
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| 160 | */
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| 161 | #define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp)
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| 162 | #define PR_NUM_GCREGS _JBLEN
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| 163 | #define CONTEXT(_th) ((_th)->md.context)
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| 164 |
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| 165 | /*
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| 166 | ** I am ifdef'ing these out because that's the way they are in FT.
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| 167 | */
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| 168 | #ifndef __VMS
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| 169 |
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| 170 | /*
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| 171 | ** Initialize a thread context to run "_main()" when started
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| 172 | */
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| 173 | #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
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| 174 | { \
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| 175 | *status = PR_TRUE; \
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| 176 | if (setjmp(CONTEXT(_thread))) { \
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| 177 | (*_main)(); \
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| 178 | } \
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| 179 | _MD_GET_SP(_thread) = (long) ((_sp) - 64); \
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| 180 | _MD_GET_SP(_thread) &= ~15; \
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| 181 | }
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| 182 |
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| 183 | #define _MD_SWITCH_CONTEXT(_thread) \
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| 184 | if (!setjmp(CONTEXT(_thread))) { \
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| 185 | (_thread)->md.errcode = errno; \
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| 186 | _PR_Schedule(); \
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| 187 | }
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| 188 |
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| 189 | /*
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| 190 | ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
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| 191 | */
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| 192 | #define _MD_RESTORE_CONTEXT(_thread) \
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| 193 | { \
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| 194 | errno = (_thread)->md.errcode; \
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| 195 | _MD_SET_CURRENT_THREAD(_thread); \
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| 196 | longjmp(CONTEXT(_thread), 1); \
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| 197 | }
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| 198 |
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| 199 | #endif /* __VMS */
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| 200 |
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| 201 | /* Machine-dependent (MD) data structures */
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| 202 |
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| 203 | struct _MDThread {
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| 204 | jmp_buf context;
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| 205 | int id;
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| 206 | int errcode;
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| 207 | };
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| 208 |
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| 209 | struct _MDThreadStack {
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| 210 | PRInt8 notused;
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| 211 | };
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| 212 |
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| 213 | struct _MDLock {
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| 214 | PRInt8 notused;
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| 215 | };
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| 216 |
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| 217 | struct _MDSemaphore {
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| 218 | PRInt8 notused;
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| 219 | };
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| 220 |
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| 221 | struct _MDCVar {
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| 222 | PRInt8 notused;
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| 223 | };
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| 224 |
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| 225 | struct _MDSegment {
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| 226 | PRInt8 notused;
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| 227 | };
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| 228 |
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| 229 | /*
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| 230 | * md-specific cpu structure field
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| 231 | */
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| 232 | #define _PR_MD_MAX_OSFD FD_SETSIZE
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| 233 |
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| 234 | struct _MDCPU_Unix {
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| 235 | PRCList ioQ;
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| 236 | PRUint32 ioq_timeout;
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| 237 | PRInt32 ioq_max_osfd;
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| 238 | PRInt32 ioq_osfd_cnt;
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| 239 | #ifndef _PR_USE_POLL
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| 240 | fd_set fd_read_set, fd_write_set, fd_exception_set;
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| 241 | PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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| 242 | fd_exception_cnt[_PR_MD_MAX_OSFD];
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| 243 | #else
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| 244 | struct pollfd *ioq_pollfds;
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| 245 | int ioq_pollfds_size;
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| 246 | #endif /* _PR_USE_POLL */
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| 247 | };
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| 248 |
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| 249 | #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
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| 250 | #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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| 251 | #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
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| 252 | #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
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| 253 | #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
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| 254 | #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
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| 255 | #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
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| 256 | #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
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| 257 | #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
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| 258 | #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
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| 259 | #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
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| 260 | #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
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| 261 | #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
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| 262 |
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| 263 | #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
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| 264 |
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| 265 | struct _MDCPU {
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| 266 | struct _MDCPU_Unix md_unix;
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| 267 | };
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| 268 |
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| 269 | #ifndef _PR_PTHREADS
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| 270 | #define _MD_INIT_LOCKS()
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| 271 | #endif
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| 272 | #define _MD_NEW_LOCK(lock) PR_SUCCESS
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| 273 | #define _MD_FREE_LOCK(lock)
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| 274 | #define _MD_LOCK(lock)
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| 275 | #define _MD_UNLOCK(lock)
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| 276 | #define _MD_INIT_IO()
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| 277 | #define _MD_IOQ_LOCK()
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| 278 | #define _MD_IOQ_UNLOCK()
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| 279 |
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| 280 | /*
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| 281 | * The following are copied from _sunos.h, _aix.h. This means
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| 282 | * some of them should probably be moved into _unixos.h. But
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| 283 | * _irix.h seems to be quite different in regard to these macros.
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| 284 | */
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| 285 | #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
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| 286 | extern PRIntervalTime _PR_UNIX_GetInterval(void);
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| 287 | #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
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| 288 | extern PRIntervalTime _PR_UNIX_TicksPerSecond(void);
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| 289 |
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| 290 | #define _MD_EARLY_INIT _MD_EarlyInit
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| 291 | void _MD_EarlyInit(void);
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| 292 | #define _MD_FINAL_INIT _PR_UnixInit
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| 293 | #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
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| 294 | #define _MD_INIT_THREAD _MD_InitializeThread
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| 295 | #ifdef _VMS_NOT_YET
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| 296 | NSPR_API(void) _PR_InitThreads(
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| 297 | PRThreadType type, PRThreadPriority priority, PRUintn maxPTDs);
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| 298 | #endif
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| 299 | #define _MD_EXIT_THREAD(thread)
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| 300 | #define _MD_SUSPEND_THREAD(thread)
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| 301 | #define _MD_RESUME_THREAD(thread)
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| 302 | #define _MD_CLEAN_THREAD(_thread)
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| 303 |
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| 304 | /* The following defines unwrapped versions of select() and poll(). */
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| 305 | extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
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| 306 | #define _MD_SELECT __select
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| 307 |
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| 308 | #ifndef __VMS
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| 309 | #define _MD_POLL __poll
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| 310 | extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout);
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| 311 | #endif
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| 312 |
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| 313 | #ifdef __VMS
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| 314 | NSPR_API(void) _PR_InitCPUs(void);
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| 315 | NSPR_API(void) _PR_MD_START_INTERRUPTS(void);
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| 316 | #endif
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| 317 |
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| 318 | /*
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| 319 | * Atomic operations
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| 320 | */
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| 321 | #include <machine/builtins.h>
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| 322 | #define _PR_HAVE_ATOMIC_OPS
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| 323 | #define _MD_INIT_ATOMIC()
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| 324 | #define _MD_ATOMIC_ADD(ptr,val) (__ATOMIC_ADD_LONG(ptr,val) + val)
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| 325 | #define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1)
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| 326 | #define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1)
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| 327 | #define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval)
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| 328 |
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| 329 | extern int thread_suspend(PRThread *thr_id);
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| 330 | extern int thread_resume(PRThread *thr_id);
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| 331 |
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| 332 | #endif /* nspr_openvms_defs_h___ */
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