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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 #ifndef nspr_freebsd_defs_h___ | |
36 #define nspr_freebsd_defs_h___ | |
37 | |
38 #include "prthread.h" | |
39 | |
40 #if __FreeBSD__ >= 2 | |
41 #include <osreldate.h> /* for __FreeBSD_version */ | |
42 #endif | |
43 #include <sys/syscall.h> | |
44 | |
45 #define PR_LINKER_ARCH "freebsd" | |
46 #define _PR_SI_SYSNAME "FREEBSD" | |
47 #if defined(__i386__) | |
48 #define _PR_SI_ARCHITECTURE "x86" | |
49 #elif defined(__alpha) | |
50 #define _PR_SI_ARCHITECTURE "alpha" | |
51 #elif defined(__sparc__) | |
52 #define _PR_SI_ARCHITECTURE "sparc" | |
53 #else | |
54 #error "Unknown CPU architecture" | |
55 #endif | |
56 #if defined(__ELF__) | |
57 #define PR_DLL_SUFFIX ".so" | |
58 #else | |
59 #define PR_DLL_SUFFIX ".so.1.0" | |
60 #endif | |
61 | |
62 #define _PR_VMBASE 0x30000000 | |
63 #define _PR_STACK_VMBASE 0x50000000 | |
64 #define _MD_DEFAULT_STACK_SIZE 65536L | |
65 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
66 | |
67 #undef HAVE_STACK_GROWING_UP | |
68 #define HAVE_DLL | |
69 #define USE_DLFCN | |
70 #define _PR_HAVE_SOCKADDR_LEN | |
71 #define _PR_STAT_HAS_ST_ATIMESPEC | |
72 #define _PR_NO_LARGE_FILES | |
73 | |
74 #if defined(_PR_PTHREADS) | |
75 #if __FreeBSD_version >= 400008 | |
76 /* | |
77 * libc_r before this version of FreeBSD doesn't have poll(). | |
78 * Although libc has poll(), it is not thread-safe so we can't | |
79 * use it in the pthreads version. | |
80 */ | |
81 #define _PR_POLL_AVAILABLE | |
82 #endif | |
83 #else | |
84 #if __FreeBSD_version >= 300000 | |
85 #define _PR_POLL_AVAILABLE | |
86 #define _PR_USE_POLL | |
87 #endif | |
88 #endif | |
89 | |
90 #define _PR_HAVE_SYSV_SEMAPHORES | |
91 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY | |
92 | |
93 #if __FreeBSD_version >= 400014 | |
94 #define _PR_INET6 | |
95 #define _PR_HAVE_INET_NTOP | |
96 #define _PR_HAVE_GETHOSTBYNAME2 | |
97 #define _PR_HAVE_GETADDRINFO | |
98 #define _PR_INET6_PROBE | |
99 #endif | |
100 | |
101 #define USE_SETJMP | |
102 | |
103 #ifndef _PR_PTHREADS | |
104 #include <setjmp.h> | |
105 | |
106 #define PR_CONTEXT_TYPE sigjmp_buf | |
107 | |
108 #define CONTEXT(_th) ((_th)->md.context) | |
109 | |
110 #define _MD_GET_SP(_th) (_th)->md.context[0]._sjb[2] | |
111 #define PR_NUM_GCREGS _JBLEN | |
112 | |
113 /* | |
114 ** Initialize a thread context to run "_main()" when started | |
115 */ | |
116 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
117 { \ | |
118 *status = PR_TRUE; \ | |
119 if (sigsetjmp(CONTEXT(_thread), 1)) { \ | |
120 _main(); \ | |
121 } \ | |
122 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ | |
123 } | |
124 | |
125 #define _MD_SWITCH_CONTEXT(_thread) \ | |
126 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ | |
127 (_thread)->md.errcode = errno; \ | |
128 _PR_Schedule(); \ | |
129 } | |
130 | |
131 /* | |
132 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
133 */ | |
134 #define _MD_RESTORE_CONTEXT(_thread) \ | |
135 { \ | |
136 errno = (_thread)->md.errcode; \ | |
137 _MD_SET_CURRENT_THREAD(_thread); \ | |
138 siglongjmp(CONTEXT(_thread), 1); \ | |
139 } | |
140 | |
141 /* Machine-dependent (MD) data structures */ | |
142 | |
143 struct _MDThread { | |
144 PR_CONTEXT_TYPE context; | |
145 int id; | |
146 int errcode; | |
147 }; | |
148 | |
149 struct _MDThreadStack { | |
150 PRInt8 notused; | |
151 }; | |
152 | |
153 struct _MDLock { | |
154 PRInt8 notused; | |
155 }; | |
156 | |
157 struct _MDSemaphore { | |
158 PRInt8 notused; | |
159 }; | |
160 | |
161 struct _MDCVar { | |
162 PRInt8 notused; | |
163 }; | |
164 | |
165 struct _MDSegment { | |
166 PRInt8 notused; | |
167 }; | |
168 | |
169 /* | |
170 * md-specific cpu structure field | |
171 */ | |
172 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
173 | |
174 struct _MDCPU_Unix { | |
175 PRCList ioQ; | |
176 PRUint32 ioq_timeout; | |
177 PRInt32 ioq_max_osfd; | |
178 PRInt32 ioq_osfd_cnt; | |
179 #ifndef _PR_USE_POLL | |
180 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
181 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
182 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
183 #else | |
184 struct pollfd *ioq_pollfds; | |
185 int ioq_pollfds_size; | |
186 #endif /* _PR_USE_POLL */ | |
187 }; | |
188 | |
189 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
190 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
191 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
192 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
193 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
194 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
195 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
196 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
197 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
198 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
199 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
200 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
201 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
202 | |
203 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
204 | |
205 struct _MDCPU { | |
206 struct _MDCPU_Unix md_unix; | |
207 }; | |
208 | |
209 #define _MD_INIT_LOCKS() | |
210 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
211 #define _MD_FREE_LOCK(lock) | |
212 #define _MD_LOCK(lock) | |
213 #define _MD_UNLOCK(lock) | |
214 #define _MD_INIT_IO() | |
215 #define _MD_IOQ_LOCK() | |
216 #define _MD_IOQ_UNLOCK() | |
217 | |
218 extern PRStatus _MD_InitializeThread(PRThread *thread); | |
219 | |
220 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
221 #define _MD_INIT_THREAD _MD_InitializeThread | |
222 #define _MD_EXIT_THREAD(thread) | |
223 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
224 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
225 #define _MD_CLEAN_THREAD(_thread) | |
226 | |
227 extern PRStatus _MD_CREATE_THREAD( | |
228 PRThread *thread, | |
229 void (*start) (void *), | |
230 PRThreadPriority priority, | |
231 PRThreadScope scope, | |
232 PRThreadState state, | |
233 PRUint32 stackSize); | |
234 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); | |
235 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); | |
236 extern PRStatus _MD_WAKEUP_WAITER(PRThread *); | |
237 extern void _MD_YIELD(void); | |
238 | |
239 #endif /* ! _PR_PTHREADS */ | |
240 | |
241 extern void _MD_EarlyInit(void); | |
242 extern PRIntervalTime _PR_UNIX_GetInterval(void); | |
243 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); | |
244 | |
245 #define _MD_EARLY_INIT _MD_EarlyInit | |
246 #define _MD_FINAL_INIT _PR_UnixInit | |
247 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
248 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
249 | |
250 /* | |
251 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
252 * unwrapped version. | |
253 */ | |
254 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
255 | |
256 #if defined(_PR_POLL_AVAILABLE) | |
257 #include <poll.h> | |
258 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) | |
259 #endif | |
260 | |
261 /* freebsd has INADDR_LOOPBACK defined, but in /usr/include/rpc/types.h, and I d
idn't | |
262 want to be including that.. */ | |
263 #ifndef INADDR_LOOPBACK | |
264 #define INADDR_LOOPBACK (u_long)0x7F000001 | |
265 #endif | |
266 | |
267 /* For writev() */ | |
268 #include <sys/uio.h> | |
269 | |
270 #endif /* nspr_freebsd_defs_h___ */ | |
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