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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 | |
73 struct 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 | |
116 struct 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) */ | |
135 struct _md_in6_addr { | |
136 union { | |
137 PRUint8 _S6_u8[16]; | |
138 PRUint16 _S6_u16[8]; | |
139 PRUint32 _S6_u32[4]; | |
140 } _S6_un; | |
141 }; | |
142 struct _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 | |
200 struct _MDThread { | |
201 jmp_buf context; | |
202 int id; | |
203 int errcode; | |
204 }; | |
205 | |
206 struct _MDThreadStack { | |
207 PRInt8 notused; | |
208 }; | |
209 | |
210 struct _MDLock { | |
211 PRInt8 notused; | |
212 }; | |
213 | |
214 struct _MDSemaphore { | |
215 PRInt8 notused; | |
216 }; | |
217 | |
218 struct _MDCVar { | |
219 PRInt8 notused; | |
220 }; | |
221 | |
222 struct _MDSegment { | |
223 PRInt8 notused; | |
224 }; | |
225 | |
226 /* | |
227 * md-specific cpu structure field | |
228 */ | |
229 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
230 | |
231 struct _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 | |
262 struct _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 | |
283 extern PRIntervalTime _PR_UNIX_GetInterval(void); | |
284 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
285 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); | |
286 | |
287 #define _MD_EARLY_INIT _MD_EarlyInit | |
288 void _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 | |
293 NSPR_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(). */ | |
302 extern 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 | |
307 extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout); | |
308 #endif | |
309 | |
310 #ifdef __VMS | |
311 NSPR_API(void) _PR_InitCPUs(void); | |
312 NSPR_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 | |
326 extern int thread_suspend(PRThread *thr_id); | |
327 extern int thread_resume(PRThread *thr_id); | |
328 | |
329 #endif /* nspr_openvms_defs_h___ */ | |
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