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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_rhapsody_defs_h___ | |
36 #define nspr_rhapsody_defs_h___ | |
37 | |
38 #include "prthread.h" | |
39 | |
40 #include <sys/syscall.h> | |
41 | |
42 #define PR_LINKER_ARCH "rhapsody" | |
43 #define _PR_SI_SYSNAME "RHAPSODY" | |
44 #ifdef i386 | |
45 #define _PR_SI_ARCHITECTURE "x86" | |
46 #else | |
47 #define _PR_SI_ARCHITECTURE "ppc" | |
48 #endif | |
49 #define PR_DLL_SUFFIX ".dylib" | |
50 | |
51 #define _PR_VMBASE 0x30000000 | |
52 #define _PR_STACK_VMBASE 0x50000000 | |
53 #define _MD_DEFAULT_STACK_SIZE 65536L | |
54 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
55 | |
56 #undef HAVE_STACK_GROWING_UP | |
57 #define HAVE_DLL | |
58 #define USE_MACH_DYLD | |
59 #define _PR_HAVE_SOCKADDR_LEN | |
60 #define _PR_STAT_HAS_ST_ATIMESPEC | |
61 #define _PR_NO_LARGE_FILES | |
62 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY | |
63 | |
64 #define USE_SETJMP | |
65 | |
66 #if !defined(_PR_PTHREADS) | |
67 | |
68 #include <setjmp.h> | |
69 | |
70 #define PR_CONTEXT_TYPE jmp_buf | |
71 | |
72 #define CONTEXT(_th) ((_th)->md.context) | |
73 #define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstac
k) | |
74 #define PR_NUM_GCREGS _JBLEN | |
75 | |
76 /* | |
77 ** Initialize a thread context to run "_main()" when started | |
78 */ | |
79 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
80 { \ | |
81 *status = PR_TRUE; \ | |
82 if (setjmp(CONTEXT(_thread))) { \ | |
83 _main(); \ | |
84 } \ | |
85 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ | |
86 } | |
87 | |
88 #define _MD_SWITCH_CONTEXT(_thread) \ | |
89 if (!setjmp(CONTEXT(_thread))) { \ | |
90 (_thread)->md.errcode = errno; \ | |
91 _PR_Schedule(); \ | |
92 } | |
93 | |
94 /* | |
95 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
96 */ | |
97 #define _MD_RESTORE_CONTEXT(_thread) \ | |
98 { \ | |
99 errno = (_thread)->md.errcode; \ | |
100 _MD_SET_CURRENT_THREAD(_thread); \ | |
101 longjmp(CONTEXT(_thread), 1); \ | |
102 } | |
103 | |
104 /* Machine-dependent (MD) data structures */ | |
105 | |
106 struct _MDThread { | |
107 PR_CONTEXT_TYPE context; | |
108 int id; | |
109 int errcode; | |
110 }; | |
111 | |
112 struct _MDThreadStack { | |
113 PRInt8 notused; | |
114 }; | |
115 | |
116 struct _MDLock { | |
117 PRInt8 notused; | |
118 }; | |
119 | |
120 struct _MDSemaphore { | |
121 PRInt8 notused; | |
122 }; | |
123 | |
124 struct _MDCVar { | |
125 PRInt8 notused; | |
126 }; | |
127 | |
128 struct _MDSegment { | |
129 PRInt8 notused; | |
130 }; | |
131 | |
132 /* | |
133 * md-specific cpu structure field | |
134 */ | |
135 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
136 | |
137 struct _MDCPU_Unix { | |
138 PRCList ioQ; | |
139 PRUint32 ioq_timeout; | |
140 PRInt32 ioq_max_osfd; | |
141 PRInt32 ioq_osfd_cnt; | |
142 #ifndef _PR_USE_POLL | |
143 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
144 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
145 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
146 #else | |
147 struct pollfd *ioq_pollfds; | |
148 int ioq_pollfds_size; | |
149 #endif /* _PR_USE_POLL */ | |
150 }; | |
151 | |
152 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
153 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
154 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
155 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
156 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
157 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
158 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
159 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
160 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
161 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
162 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
163 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
164 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
165 | |
166 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
167 | |
168 struct _MDCPU { | |
169 struct _MDCPU_Unix md_unix; | |
170 }; | |
171 | |
172 #define _MD_INIT_LOCKS() | |
173 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
174 #define _MD_FREE_LOCK(lock) | |
175 #define _MD_LOCK(lock) | |
176 #define _MD_UNLOCK(lock) | |
177 #define _MD_INIT_IO() | |
178 #define _MD_IOQ_LOCK() | |
179 #define _MD_IOQ_UNLOCK() | |
180 | |
181 extern PRStatus _MD_InitializeThread(PRThread *thread); | |
182 | |
183 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) | |
184 #define _MD_INIT_THREAD _MD_InitializeThread | |
185 #define _MD_EXIT_THREAD(thread) | |
186 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread | |
187 #define _MD_RESUME_THREAD(thread) _MD_resume_thread | |
188 #define _MD_CLEAN_THREAD(_thread) | |
189 | |
190 extern PRStatus _MD_CREATE_THREAD( | |
191 PRThread *thread, | |
192 void (*start) (void *), | |
193 PRThreadPriority priority, | |
194 PRThreadScope scope, | |
195 PRThreadState state, | |
196 PRUint32 stackSize); | |
197 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); | |
198 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); | |
199 extern PRStatus _MD_WAKEUP_WAITER(PRThread *); | |
200 extern void _MD_YIELD(void); | |
201 | |
202 #endif /* ! _PR_PTHREADS */ | |
203 | |
204 #define _MD_EARLY_INIT _MD_EarlyInit | |
205 #define _MD_FINAL_INIT _PR_UnixInit | |
206 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval | |
207 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond | |
208 | |
209 extern void _MD_EarlyInit(void); | |
210 extern PRIntervalTime _PR_UNIX_GetInterval(void); | |
211 extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); | |
212 | |
213 /* | |
214 * We wrapped the select() call. _MD_SELECT refers to the built-in, | |
215 * unwrapped version. | |
216 */ | |
217 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) | |
218 | |
219 /* For writev() */ | |
220 #include <sys/uio.h> | |
221 | |
222 #endif /* nspr_rhapsody_defs_h___ */ | |
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