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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_bsdi_defs_h___ | |
36 #define nspr_bsdi_defs_h___ | |
37 | |
38 /* | |
39 * Internal configuration macros | |
40 */ | |
41 | |
42 #include <sys/param.h> /* for _BSDI_VERSION */ | |
43 | |
44 #define PR_LINKER_ARCH "bsdi" | |
45 #define _PR_SI_SYSNAME "BSDI" | |
46 #if defined(__i386__) | |
47 #define _PR_SI_ARCHITECTURE "x86" | |
48 #elif defined(__sparc__) | |
49 #define _PR_SI_ARCHITECTURE "sparc" | |
50 #else | |
51 #error "Unknown CPU architecture" | |
52 #endif | |
53 #define PR_DLL_SUFFIX ".so" | |
54 | |
55 #define _PR_STACK_VMBASE 0x50000000 | |
56 #define _MD_DEFAULT_STACK_SIZE 65536L | |
57 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
58 | |
59 #define HAVE_BSD_FLOCK | |
60 #define NEED_TIME_R | |
61 #define _PR_HAVE_SOCKADDR_LEN | |
62 #define _PR_NO_LARGE_FILES | |
63 | |
64 #define USE_SETJMP | |
65 | |
66 /* BSD/OS 4.3 and newer all have IPv6 support */ | |
67 #if _BSDI_VERSION >= 200105 | |
68 #define _PR_INET6 | |
69 #define _PR_HAVE_INET_NTOP | |
70 #define _PR_HAVE_GETIPNODEBYNAME | |
71 #define _PR_HAVE_GETIPNODEBYADDR | |
72 #define _PR_HAVE_GETADDRINFO | |
73 #define _PR_INET6_PROBE | |
74 #endif | |
75 | |
76 #ifndef _PR_PTHREADS | |
77 | |
78 #include <setjmp.h> | |
79 | |
80 #if defined(_PR_BSDI_JMPBUF_IS_ARRAY) | |
81 #define _MD_GET_SP(_t) (_t)->md.context[2] | |
82 #elif defined(_PR_BSDI_JMPBUF_IS_STRUCT) | |
83 #define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp | |
84 #else | |
85 #error "Unknown BSDI jmp_buf type" | |
86 #endif | |
87 | |
88 #define PR_NUM_GCREGS _JBLEN | |
89 #define PR_CONTEXT_TYPE jmp_buf | |
90 | |
91 #define CONTEXT(_th) ((_th)->md.context) | |
92 | |
93 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
94 { \ | |
95 *status = PR_TRUE; \ | |
96 if (setjmp(CONTEXT(_thread))) { \ | |
97 _main(); \ | |
98 } \ | |
99 _MD_GET_SP(_thread) = (int) (_sp - 64); \ | |
100 } | |
101 | |
102 #define _MD_SWITCH_CONTEXT(_thread) \ | |
103 if (!setjmp(CONTEXT(_thread))) { \ | |
104 (_thread)->md.errcode = errno; \ | |
105 _PR_Schedule(); \ | |
106 } | |
107 | |
108 /* | |
109 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
110 */ | |
111 #define _MD_RESTORE_CONTEXT(_thread) \ | |
112 { \ | |
113 errno = (_thread)->md.errcode; \ | |
114 _MD_SET_CURRENT_THREAD(_thread); \ | |
115 longjmp(CONTEXT(_thread), 1); \ | |
116 } | |
117 | |
118 /* Machine-dependent (MD) data structures */ | |
119 | |
120 struct _MDThread { | |
121 PR_CONTEXT_TYPE context; | |
122 int id; | |
123 int errcode; | |
124 }; | |
125 | |
126 struct _MDThreadStack { | |
127 PRInt8 notused; | |
128 }; | |
129 | |
130 struct _MDLock { | |
131 PRInt8 notused; | |
132 }; | |
133 | |
134 struct _MDSemaphore { | |
135 PRInt8 notused; | |
136 }; | |
137 | |
138 struct _MDCVar { | |
139 PRInt8 notused; | |
140 }; | |
141 | |
142 struct _MDSegment { | |
143 PRInt8 notused; | |
144 }; | |
145 | |
146 /* | |
147 * md-specific cpu structure field | |
148 */ | |
149 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
150 | |
151 struct _MDCPU_Unix { | |
152 PRCList ioQ; | |
153 PRUint32 ioq_timeout; | |
154 PRInt32 ioq_max_osfd; | |
155 PRInt32 ioq_osfd_cnt; | |
156 #ifndef _PR_USE_POLL | |
157 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
158 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
159 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
160 #else | |
161 struct pollfd *ioq_pollfds; | |
162 int ioq_pollfds_size; | |
163 #endif /* _PR_USE_POLL */ | |
164 }; | |
165 | |
166 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
167 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
168 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
169 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
170 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
171 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
172 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
173 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
174 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
175 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
176 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
177 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
178 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
179 | |
180 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
181 | |
182 struct _MDCPU { | |
183 struct _MDCPU_Unix md_unix; | |
184 }; | |
185 | |
186 #define _MD_INIT_LOCKS() | |
187 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
188 #define _MD_FREE_LOCK(lock) | |
189 #define _MD_LOCK(lock) | |
190 #define _MD_UNLOCK(lock) | |
191 #define _MD_INIT_IO() | |
192 #define _MD_IOQ_LOCK() | |
193 #define _MD_IOQ_UNLOCK() | |
194 | |
195 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
196 #define _MD_INIT_THREAD _MD_InitializeThread | |
197 #define _MD_EXIT_THREAD(thread) | |
198 #define _MD_CLEAN_THREAD(_thread) | |
199 | |
200 #endif /* ! _PR_PTHREADS */ | |
201 | |
202 #define _MD_EARLY_INIT _MD_EarlyInit | |
203 #define _MD_FINAL_INIT _PR_UnixInit | |
204 | |
205 #include <sys/syscall.h> | |
206 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
207 | |
208 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
209 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
210 | |
211 #endif /* nspr_bsdi_defs_h___ */ | |
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