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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) 1999-2000 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_nto_defs_h___ | |
36 #define nspr_nto_defs_h___ | |
37 | |
38 /* | |
39 ** Internal configuration macros | |
40 */ | |
41 #define PR_LINKER_ARCH "nto" | |
42 #define _PR_SI_SYSNAME "NTO" | |
43 #define _PR_SI_ARCHITECTURE "x86" | |
44 #define PR_DLL_SUFFIX ".so" | |
45 | |
46 #define _PR_VMBASE 0x30000000 | |
47 #define _PR_STACK_VMBASE 0x50000000 | |
48 #define _MD_DEFAULT_STACK_SIZE 65536L | |
49 #define _MD_MINIMUM_STACK_SIZE 131072L | |
50 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
51 | |
52 #ifndef HAVE_WEAK_IO_SYMBOLS | |
53 #define HAVE_WEAK_IO_SYMBOLS | |
54 #endif | |
55 | |
56 #undef _PR_POLL_AVAILABLE | |
57 #undef _PR_USE_POLL | |
58 #define _PR_HAVE_SOCKADDR_LEN | |
59 #undef HAVE_BSD_FLOCK | |
60 #define HAVE_FCNTL_FILE_LOCKING | |
61 #define _PR_NO_LARGE_FILES | |
62 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
63 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY | |
64 #define _PR_HAVE_POSIX_SEMAPHORES | |
65 | |
66 #undef FD_SETSIZE | |
67 #define FD_SETSIZE 4096 | |
68 #include <sys/time.h> | |
69 #include <sys/types.h> | |
70 #include <sys/select.h> | |
71 | |
72 #undef HAVE_STACK_GROWING_UP | |
73 #define HAVE_DLL | |
74 #define USE_DLFCN | |
75 #define NEED_STRFTIME_LOCK | |
76 #define NEED_TIME_R | |
77 #define _PR_NEED_STRCASECMP | |
78 | |
79 #ifndef HAVE_STRERROR | |
80 #define HAVE_STRERROR | |
81 #endif | |
82 | |
83 #define USE_SETJMP | |
84 | |
85 #include <setjmp.h> | |
86 | |
87 #define _SETJMP setjmp | |
88 #define _LONGJMP longjmp | |
89 #define _PR_CONTEXT_TYPE jmp_buf | |
90 #define _PR_NUM_GCREGS _JBLEN | |
91 #define _MD_GET_SP(_t) (_t)->md.context[7] | |
92 | |
93 #define CONTEXT(_th) ((_th)->md.context) | |
94 | |
95 | |
96 /* | |
97 ** Initialize the thread context preparing it to execute _main. | |
98 */ | |
99 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
100 { \ | |
101 *status = PR_TRUE; \ | |
102 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ | |
103 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ | |
104 } | |
105 | |
106 #define _MD_SWITCH_CONTEXT(_thread) \ | |
107 if (!_SETJMP(CONTEXT(_thread))) { \ | |
108 (_thread)->md.errcode = errno; \ | |
109 _PR_Schedule(); \ | |
110 } | |
111 | |
112 /* | |
113 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
114 */ | |
115 #define _MD_RESTORE_CONTEXT(_thread) \ | |
116 { \ | |
117 errno = (_thread)->md.errcode; \ | |
118 _MD_SET_CURRENT_THREAD(_thread); \ | |
119 _LONGJMP(CONTEXT(_thread), 1); \ | |
120 } | |
121 | |
122 /* | |
123 ** Machine-dependent (MD) data structures. | |
124 */ | |
125 struct _MDThread { | |
126 _PR_CONTEXT_TYPE context; | |
127 int id; | |
128 int errcode; | |
129 }; | |
130 | |
131 struct _MDThreadStack { | |
132 PRInt8 notused; | |
133 }; | |
134 | |
135 struct _MDLock { | |
136 PRInt8 notused; | |
137 }; | |
138 | |
139 struct _MDSemaphore { | |
140 PRInt8 notused; | |
141 }; | |
142 | |
143 struct _MDCVar { | |
144 PRInt8 notused; | |
145 }; | |
146 | |
147 struct _MDSegment { | |
148 PRInt8 notused; | |
149 }; | |
150 | |
151 /* | |
152 ** md-specific cpu structure field | |
153 */ | |
154 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
155 | |
156 struct _MDCPU_Unix { | |
157 PRCList ioQ; | |
158 PRUint32 ioq_timeout; | |
159 PRInt32 ioq_max_osfd; | |
160 PRInt32 ioq_osfd_cnt; | |
161 #ifndef _PR_USE_POLL | |
162 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
163 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exce
ption_cnt[_PR_MD_MAX_OSFD]; | |
164 #else | |
165 struct pollfd *ioq_pollfds; | |
166 int ioq_pollfds_size; | |
167 #endif | |
168 }; | |
169 | |
170 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
171 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu
)) | |
172 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
173 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
174 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
175 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
176 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
177 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
178 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
179 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
180 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
181 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
182 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
183 | |
184 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
185 | |
186 struct _MDCPU { | |
187 struct _MDCPU_Unix md_unix; | |
188 }; | |
189 | |
190 #define _MD_INIT_LOCKS() | |
191 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
192 #define _MD_FREE_LOCK(lock) | |
193 #define _MD_LOCK(lock) | |
194 #define _MD_UNLOCK(lock) | |
195 #define _MD_INIT_IO() | |
196 #define _MD_IOQ_LOCK() | |
197 #define _MD_IOQ_UNLOCK() | |
198 | |
199 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
200 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
201 #define _MD_EARLY_INIT _MD_EarlyInit | |
202 #define _MD_FINAL_INIT _PR_UnixInit | |
203 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
204 #define _MD_INIT_THREAD _MD_InitializeThread | |
205 #define _MD_EXIT_THREAD(thread) | |
206 #define _MD_SUSPEND_THREAD(thread) | |
207 #define _MD_RESUME_THREAD(thread) | |
208 #define _MD_CLEAN_THREAD(_thread) | |
209 | |
210 /* | |
211 ** We wrapped the select() call. _MD_SELECT refers to the built-in, | |
212 ** unwrapped version. | |
213 */ | |
214 #define _MD_SELECT select | |
215 | |
216 #define SA_RESTART 0 | |
217 | |
218 #endif /* nspr_nto_defs_h___ */ | |
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