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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_scoos5_defs_h___ | |
36 #define nspr_scoos5_defs_h___ | |
37 | |
38 /* | |
39 * Internal configuration macros | |
40 */ | |
41 | |
42 #define PR_LINKER_ARCH "scoos5" | |
43 #define PR_DLL_SUFFIX ".so" | |
44 | |
45 #define _PR_SI_SYSNAME "SCO" | |
46 #define _PR_SI_ARCHITECTURE "x86" | |
47 #define _PR_STACK_VMBASE 0x50000000 | |
48 | |
49 #define _MD_DEFAULT_STACK_SIZE 65536L | |
50 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
51 | |
52 #undef HAVE_STACK_GROWING_UP | |
53 #define HAVE_DLL | |
54 #define USE_DLFCN | |
55 | |
56 #if !defined (HAVE_STRERROR) | |
57 #define HAVE_STRERROR | |
58 #endif | |
59 | |
60 #ifndef HAVE_WEAK_IO_SYMBOLS | |
61 #define HAVE_WEAK_IO_SYMBOLS | |
62 #endif | |
63 | |
64 #define _PR_POLL_AVAILABLE | |
65 #define _PR_USE_POLL | |
66 #define _PR_NO_LARGE_FILES | |
67 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
68 | |
69 #define NEED_STRFTIME_LOCK | |
70 #define NEED_TIME_R | |
71 #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */ | |
72 | |
73 #define USE_SETJMP | |
74 | |
75 #ifdef _PR_LOCAL_THREADS_ONLY | |
76 #include <setjmp.h> | |
77 | |
78 #define _MD_GET_SP(_t) (_t)->md.jb[4] | |
79 #define PR_NUM_GCREGS _SIGJBLEN | |
80 #define PR_CONTEXT_TYPE sigjmp_buf | |
81 | |
82 #define CONTEXT(_th) ((_th)->md.jb) | |
83 | |
84 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)
\ | |
85 {
\ | |
86 *status = PR_TRUE;
\ | |
87 if (sigsetjmp(CONTEXT(_thread),1)) {
\ | |
88 (*_main)();
\ | |
89 }
\ | |
90 _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ | |
91 } | |
92 | |
93 #define _MD_SWITCH_CONTEXT(_thread)
\ | |
94 if (!sigsetjmp(CONTEXT(_thread), 1)) {
\ | |
95 (_thread)->md.errcode = errno;
\ | |
96 _PR_Schedule();
\ | |
97 } | |
98 | |
99 /* | |
100 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
101 */ | |
102 #define _MD_RESTORE_CONTEXT(_thread)
\ | |
103 {
\ | |
104 errno = (_thread)->osErrorCode;
\ | |
105 _MD_SET_CURRENT_THREAD(_thread);
\ | |
106 siglongjmp(CONTEXT(_thread), 1);
\ | |
107 } | |
108 | |
109 #endif /* _PR_LOCAL_THREADS_ONLY */ | |
110 | |
111 struct _MDThread { | |
112 jmp_buf jb; | |
113 int id; | |
114 int errcode; | |
115 }; | |
116 | |
117 struct _MDThreadStack { | |
118 PRInt8 notused; | |
119 }; | |
120 | |
121 struct _MDLock { | |
122 PRInt8 notused; | |
123 }; | |
124 | |
125 struct _MDSemaphore { | |
126 PRInt8 notused; | |
127 }; | |
128 | |
129 struct _MDCVar { | |
130 PRInt8 notused; | |
131 }; | |
132 | |
133 struct _MDSegment { | |
134 PRInt8 notused; | |
135 }; | |
136 | |
137 /* | |
138 * md-specific cpu structure field | |
139 */ | |
140 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
141 | |
142 struct _MDCPU_Unix { | |
143 PRCList ioQ; | |
144 PRUint32 ioq_timeout; | |
145 PRInt32 ioq_max_osfd; | |
146 PRInt32 ioq_osfd_cnt; | |
147 #ifndef _PR_USE_POLL | |
148 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
149 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
150 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
151 #else | |
152 struct pollfd *ioq_pollfds; | |
153 int ioq_pollfds_size; | |
154 #endif /* _PR_USE_POLL */ | |
155 }; | |
156 | |
157 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
158 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
159 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
160 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
161 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
162 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
163 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
164 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
165 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
166 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
167 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
168 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
169 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
170 | |
171 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
172 | |
173 struct _MDCPU { | |
174 struct _MDCPU_Unix md_unix; | |
175 }; | |
176 | |
177 #define _MD_INIT_LOCKS() | |
178 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
179 #define _MD_FREE_LOCK(lock) | |
180 #define _MD_LOCK(lock) | |
181 #define _MD_UNLOCK(lock) | |
182 #define _MD_INIT_IO() | |
183 #define _MD_IOQ_LOCK() | |
184 #define _MD_IOQ_UNLOCK() | |
185 | |
186 #define _MD_EARLY_INIT _MD_EarlyInit | |
187 #define _MD_FINAL_INIT _PR_UnixInit | |
188 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
189 #define _MD_INIT_THREAD _MD_InitializeThread | |
190 #define _MD_EXIT_THREAD(thread) | |
191 #define _MD_SUSPEND_THREAD(thread) | |
192 #define _MD_RESUME_THREAD(thread) | |
193 #define _MD_CLEAN_THREAD(_thread) | |
194 | |
195 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
196 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
197 | |
198 #define _MD_SELECT _select | |
199 #define _MD_POLL _poll | |
200 | |
201 #endif /* nspr_scoos5_defs_h___ */ | |
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