1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
---|
2 | /* ***** BEGIN LICENSE BLOCK *****
|
---|
3 | * Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
---|
4 | *
|
---|
5 | * The contents of this file are subject to the Mozilla Public License Version
|
---|
6 | * 1.1 (the "License"); you may not use this file except in compliance with
|
---|
7 | * the License. You may obtain a copy of the License at
|
---|
8 | * http://www.mozilla.org/MPL/
|
---|
9 | *
|
---|
10 | * Software distributed under the License is distributed on an "AS IS" basis,
|
---|
11 | * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
---|
12 | * for the specific language governing rights and limitations under the
|
---|
13 | * License.
|
---|
14 | *
|
---|
15 | * The Original Code is the Netscape Portable Runtime (NSPR).
|
---|
16 | *
|
---|
17 | * The Initial Developer of the Original Code is
|
---|
18 | * Netscape Communications Corporation.
|
---|
19 | * Portions created by the Initial Developer are Copyright (C) 1998-2000
|
---|
20 | * the Initial Developer. All Rights Reserved.
|
---|
21 | *
|
---|
22 | * Contributor(s):
|
---|
23 | *
|
---|
24 | * Alternatively, the contents of this file may be used under the terms of
|
---|
25 | * either the GNU General Public License Version 2 or later (the "GPL"), or
|
---|
26 | * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
---|
27 | * in which case the provisions of the GPL or the LGPL are applicable instead
|
---|
28 | * of those above. If you wish to allow use of your version of this file only
|
---|
29 | * under the terms of either the GPL or the LGPL, and not to allow others to
|
---|
30 | * use your version of this file under the terms of the MPL, indicate your
|
---|
31 | * decision by deleting the provisions above and replace them with the notice
|
---|
32 | * and other provisions required by the GPL or the LGPL. If you do not delete
|
---|
33 | * the provisions above, a recipient may use your version of this file under
|
---|
34 | * the terms of any one of the MPL, the GPL or the LGPL.
|
---|
35 | *
|
---|
36 | * ***** END LICENSE BLOCK ***** */
|
---|
37 |
|
---|
38 | #ifndef nspr_osf1_defs_h___
|
---|
39 | #define nspr_osf1_defs_h___
|
---|
40 |
|
---|
41 | /*
|
---|
42 | * Internal configuration macros
|
---|
43 | */
|
---|
44 |
|
---|
45 | #define PR_LINKER_ARCH "osf"
|
---|
46 | #define _PR_SI_SYSNAME "OSF"
|
---|
47 | #define _PR_SI_ARCHITECTURE "alpha"
|
---|
48 | #define PR_DLL_SUFFIX ".so"
|
---|
49 |
|
---|
50 | #define _PR_VMBASE 0x30000000
|
---|
51 | #define _PR_STACK_VMBASE 0x50000000
|
---|
52 | #define _MD_DEFAULT_STACK_SIZE 131072L
|
---|
53 | #define _MD_MMAP_FLAGS MAP_PRIVATE
|
---|
54 |
|
---|
55 | #undef HAVE_STACK_GROWING_UP
|
---|
56 | #undef HAVE_WEAK_IO_SYMBOLS
|
---|
57 | #undef HAVE_WEAK_MALLOC_SYMBOLS
|
---|
58 | #define HAVE_DLL
|
---|
59 | #define HAVE_BSD_FLOCK
|
---|
60 |
|
---|
61 | #define NEED_TIME_R
|
---|
62 | #define USE_DLFCN
|
---|
63 |
|
---|
64 | #define _PR_POLL_AVAILABLE
|
---|
65 | #define _PR_USE_POLL
|
---|
66 | #define _PR_STAT_HAS_ONLY_ST_ATIME
|
---|
67 | #define _PR_HAVE_LARGE_OFF_T
|
---|
68 | #define _PR_HAVE_GETIPNODEBYNAME
|
---|
69 | #define _PR_HAVE_GETIPNODEBYADDR
|
---|
70 | #define _PR_HAVE_GETADDRINFO
|
---|
71 | #define _PR_INET6_PROBE
|
---|
72 | #ifdef _PR_INET6
|
---|
73 | #define _PR_HAVE_INET_NTOP
|
---|
74 | #else
|
---|
75 | #define AF_INET6 26
|
---|
76 | #ifndef AI_CANONNAME
|
---|
77 | #define AI_CANONNAME 0x00000002
|
---|
78 | struct addrinfo {
|
---|
79 | int ai_flags;
|
---|
80 | int ai_family;
|
---|
81 | int ai_socktype;
|
---|
82 | int ai_protocol;
|
---|
83 | size_t ai_addrlen;
|
---|
84 | char *ai_canonname;
|
---|
85 | struct sockaddr *ai_addr;
|
---|
86 | struct addrinfo *ai_next;
|
---|
87 | };
|
---|
88 | #endif
|
---|
89 | #define AI_V4MAPPED 0x00000010
|
---|
90 | #define AI_ALL 0x00000008
|
---|
91 | #define AI_ADDRCONFIG 0x00000020
|
---|
92 | #endif
|
---|
93 | #define _PR_HAVE_POSIX_SEMAPHORES
|
---|
94 | #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
|
---|
95 |
|
---|
96 | #define USE_SETJMP
|
---|
97 |
|
---|
98 | #include <setjmp.h>
|
---|
99 |
|
---|
100 | /*
|
---|
101 | * A jmp_buf is actually a struct sigcontext. The sc_sp field of
|
---|
102 | * struct sigcontext is the stack pointer.
|
---|
103 | */
|
---|
104 | #define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp)
|
---|
105 | #define PR_NUM_GCREGS _JBLEN
|
---|
106 | #define CONTEXT(_th) ((_th)->md.context)
|
---|
107 |
|
---|
108 | /*
|
---|
109 | ** Initialize a thread context to run "_main()" when started
|
---|
110 | */
|
---|
111 | #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
|
---|
112 | { \
|
---|
113 | *status = PR_TRUE; \
|
---|
114 | if (setjmp(CONTEXT(_thread))) { \
|
---|
115 | (*_main)(); \
|
---|
116 | } \
|
---|
117 | _MD_GET_SP(_thread) = (long) ((_sp) - 64); \
|
---|
118 | _MD_GET_SP(_thread) &= ~15; \
|
---|
119 | }
|
---|
120 |
|
---|
121 | #define _MD_SWITCH_CONTEXT(_thread) \
|
---|
122 | if (!setjmp(CONTEXT(_thread))) { \
|
---|
123 | (_thread)->md.errcode = errno; \
|
---|
124 | _PR_Schedule(); \
|
---|
125 | }
|
---|
126 |
|
---|
127 | /*
|
---|
128 | ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
|
---|
129 | */
|
---|
130 | #define _MD_RESTORE_CONTEXT(_thread) \
|
---|
131 | { \
|
---|
132 | errno = (_thread)->md.errcode; \
|
---|
133 | _MD_SET_CURRENT_THREAD(_thread); \
|
---|
134 | longjmp(CONTEXT(_thread), 1); \
|
---|
135 | }
|
---|
136 |
|
---|
137 | /* Machine-dependent (MD) data structures */
|
---|
138 |
|
---|
139 | struct _MDThread {
|
---|
140 | jmp_buf context;
|
---|
141 | int id;
|
---|
142 | int errcode;
|
---|
143 | };
|
---|
144 |
|
---|
145 | struct _MDThreadStack {
|
---|
146 | PRInt8 notused;
|
---|
147 | };
|
---|
148 |
|
---|
149 | struct _MDLock {
|
---|
150 | PRInt8 notused;
|
---|
151 | };
|
---|
152 |
|
---|
153 | struct _MDSemaphore {
|
---|
154 | PRInt8 notused;
|
---|
155 | };
|
---|
156 |
|
---|
157 | struct _MDCVar {
|
---|
158 | PRInt8 notused;
|
---|
159 | };
|
---|
160 |
|
---|
161 | struct _MDSegment {
|
---|
162 | PRInt8 notused;
|
---|
163 | };
|
---|
164 |
|
---|
165 | /*
|
---|
166 | * md-specific cpu structure field
|
---|
167 | */
|
---|
168 | #define _PR_MD_MAX_OSFD FD_SETSIZE
|
---|
169 |
|
---|
170 | struct _MDCPU_Unix {
|
---|
171 | PRCList ioQ;
|
---|
172 | PRUint32 ioq_timeout;
|
---|
173 | PRInt32 ioq_max_osfd;
|
---|
174 | PRInt32 ioq_osfd_cnt;
|
---|
175 | #ifndef _PR_USE_POLL
|
---|
176 | fd_set fd_read_set, fd_write_set, fd_exception_set;
|
---|
177 | PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
|
---|
178 | fd_exception_cnt[_PR_MD_MAX_OSFD];
|
---|
179 | #else
|
---|
180 | struct pollfd *ioq_pollfds;
|
---|
181 | int ioq_pollfds_size;
|
---|
182 | #endif /* _PR_USE_POLL */
|
---|
183 | };
|
---|
184 |
|
---|
185 | #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
|
---|
186 | #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
|
---|
187 | #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
|
---|
188 | #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
|
---|
189 | #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
|
---|
190 | #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
|
---|
191 | #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
|
---|
192 | #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
|
---|
193 | #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
|
---|
194 | #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
|
---|
195 | #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
|
---|
196 | #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
|
---|
197 | #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
|
---|
198 |
|
---|
199 | #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
|
---|
200 |
|
---|
201 | struct _MDCPU {
|
---|
202 | struct _MDCPU_Unix md_unix;
|
---|
203 | };
|
---|
204 |
|
---|
205 | #ifndef _PR_PTHREADS
|
---|
206 | #define _MD_INIT_LOCKS()
|
---|
207 | #endif
|
---|
208 | #define _MD_NEW_LOCK(lock) PR_SUCCESS
|
---|
209 | #define _MD_FREE_LOCK(lock)
|
---|
210 | #define _MD_LOCK(lock)
|
---|
211 | #define _MD_UNLOCK(lock)
|
---|
212 | #define _MD_INIT_IO()
|
---|
213 | #define _MD_IOQ_LOCK()
|
---|
214 | #define _MD_IOQ_UNLOCK()
|
---|
215 |
|
---|
216 | /*
|
---|
217 | * The following are copied from _sunos.h, _aix.h. This means
|
---|
218 | * some of them should probably be moved into _unixos.h. But
|
---|
219 | * _irix.h seems to be quite different in regard to these macros.
|
---|
220 | */
|
---|
221 | #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
|
---|
222 | #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
|
---|
223 |
|
---|
224 | #define _MD_EARLY_INIT _MD_EarlyInit
|
---|
225 | #define _MD_FINAL_INIT _PR_UnixInit
|
---|
226 | #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
|
---|
227 | #define _MD_INIT_THREAD _MD_InitializeThread
|
---|
228 | #define _MD_EXIT_THREAD(thread)
|
---|
229 | #define _MD_SUSPEND_THREAD(thread)
|
---|
230 | #define _MD_RESUME_THREAD(thread)
|
---|
231 | #define _MD_CLEAN_THREAD(_thread)
|
---|
232 |
|
---|
233 | /* The following defines unwrapped versions of select() and poll(). */
|
---|
234 | #include <sys/time.h>
|
---|
235 | extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
|
---|
236 | #define _MD_SELECT __select
|
---|
237 |
|
---|
238 | #include <sys/poll.h>
|
---|
239 | #define _MD_POLL __poll
|
---|
240 | extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout);
|
---|
241 |
|
---|
242 | /*
|
---|
243 | * Atomic operations
|
---|
244 | */
|
---|
245 | #ifdef OSF1_HAVE_MACHINE_BUILTINS_H
|
---|
246 | #include <machine/builtins.h>
|
---|
247 | #define _PR_HAVE_ATOMIC_OPS
|
---|
248 | #define _MD_INIT_ATOMIC()
|
---|
249 | #define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1)
|
---|
250 | #define _MD_ATOMIC_ADD(ptr, val) (__ATOMIC_ADD_LONG(ptr, val) + val)
|
---|
251 | #define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1)
|
---|
252 | #define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval)
|
---|
253 | #endif /* OSF1_HAVE_MACHINE_BUILTINS_H */
|
---|
254 |
|
---|
255 | #endif /* nspr_osf1_defs_h___ */
|
---|