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