nsprpub/pr/include/md/_osf1.h@44a2da4a2ab2
nsprpub/pr/include/md/_osf1.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef nspr_osf1_defs_h___
7 #define nspr_osf1_defs_h___
9 /*
10 * Internal configuration macros
11 */
13 #define PR_LINKER_ARCH "osf"
14 #define _PR_SI_SYSNAME "OSF"
15 #define _PR_SI_ARCHITECTURE "alpha"
16 #define PR_DLL_SUFFIX ".so"
18 #define _PR_VMBASE 0x30000000
19 #define _PR_STACK_VMBASE 0x50000000
20 #define _MD_DEFAULT_STACK_SIZE 131072L
21 #define _MD_MMAP_FLAGS MAP_PRIVATE
23 #undef HAVE_STACK_GROWING_UP
24 #undef HAVE_WEAK_IO_SYMBOLS
25 #undef HAVE_WEAK_MALLOC_SYMBOLS
26 #define HAVE_DLL
27 #define HAVE_BSD_FLOCK
29 #define NEED_TIME_R
30 #define USE_DLFCN
32 #define _PR_POLL_AVAILABLE
33 #define _PR_USE_POLL
34 #define _PR_STAT_HAS_ONLY_ST_ATIME
35 #define _PR_HAVE_LARGE_OFF_T
36 #define _PR_HAVE_GETIPNODEBYNAME
37 #define _PR_HAVE_GETIPNODEBYADDR
38 #define _PR_HAVE_GETADDRINFO
39 #define _PR_INET6_PROBE
40 #ifdef _PR_INET6
41 #define _PR_HAVE_INET_NTOP
42 #else
43 #define AF_INET6 26
44 #ifndef AI_CANONNAME
45 #define AI_CANONNAME 0x00000002
46 struct addrinfo {
47 int ai_flags;
48 int ai_family;
49 int ai_socktype;
50 int ai_protocol;
51 size_t ai_addrlen;
52 char *ai_canonname;
53 struct sockaddr *ai_addr;
54 struct addrinfo *ai_next;
55 };
56 #endif
57 #define AI_V4MAPPED 0x00000010
58 #define AI_ALL 0x00000008
59 #define AI_ADDRCONFIG 0x00000020
60 #endif
61 #define _PR_HAVE_POSIX_SEMAPHORES
62 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
64 #define USE_SETJMP
66 #include <setjmp.h>
68 /*
69 * A jmp_buf is actually a struct sigcontext. The sc_sp field of
70 * struct sigcontext is the stack pointer.
71 */
72 #define _MD_GET_SP(_t) (((struct sigcontext *) (_t)->md.context)->sc_sp)
73 #define PR_NUM_GCREGS _JBLEN
74 #define CONTEXT(_th) ((_th)->md.context)
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) = (long) ((_sp) - 64); \
86 _MD_GET_SP(_thread) &= ~15; \
87 }
89 #define _MD_SWITCH_CONTEXT(_thread) \
90 if (!setjmp(CONTEXT(_thread))) { \
91 (_thread)->md.errcode = errno; \
92 _PR_Schedule(); \
93 }
95 /*
96 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
97 */
98 #define _MD_RESTORE_CONTEXT(_thread) \
99 { \
100 errno = (_thread)->md.errcode; \
101 _MD_SET_CURRENT_THREAD(_thread); \
102 longjmp(CONTEXT(_thread), 1); \
103 }
105 /* Machine-dependent (MD) data structures */
107 struct _MDThread {
108 jmp_buf context;
109 int id;
110 int errcode;
111 };
113 struct _MDThreadStack {
114 PRInt8 notused;
115 };
117 struct _MDLock {
118 PRInt8 notused;
119 };
121 struct _MDSemaphore {
122 PRInt8 notused;
123 };
125 struct _MDCVar {
126 PRInt8 notused;
127 };
129 struct _MDSegment {
130 PRInt8 notused;
131 };
133 /*
134 * md-specific cpu structure field
135 */
136 #define _PR_MD_MAX_OSFD FD_SETSIZE
138 struct _MDCPU_Unix {
139 PRCList ioQ;
140 PRUint32 ioq_timeout;
141 PRInt32 ioq_max_osfd;
142 PRInt32 ioq_osfd_cnt;
143 #ifndef _PR_USE_POLL
144 fd_set fd_read_set, fd_write_set, fd_exception_set;
145 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
146 fd_exception_cnt[_PR_MD_MAX_OSFD];
147 #else
148 struct pollfd *ioq_pollfds;
149 int ioq_pollfds_size;
150 #endif /* _PR_USE_POLL */
151 };
153 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
154 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
155 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
156 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
157 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
158 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
159 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
160 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
161 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
162 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
163 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
164 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
165 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
167 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
169 struct _MDCPU {
170 struct _MDCPU_Unix md_unix;
171 };
173 #ifndef _PR_PTHREADS
174 #define _MD_INIT_LOCKS()
175 #endif
176 #define _MD_NEW_LOCK(lock) PR_SUCCESS
177 #define _MD_FREE_LOCK(lock)
178 #define _MD_LOCK(lock)
179 #define _MD_UNLOCK(lock)
180 #define _MD_INIT_IO()
181 #define _MD_IOQ_LOCK()
182 #define _MD_IOQ_UNLOCK()
184 /*
185 * The following are copied from _sunos.h, _aix.h. This means
186 * some of them should probably be moved into _unixos.h. But
187 * _irix.h seems to be quite different in regard to these macros.
188 */
189 #define _MD_INTERVAL_USE_GTOD
191 #define _MD_EARLY_INIT _MD_EarlyInit
192 #define _MD_FINAL_INIT _PR_UnixInit
193 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
194 #define _MD_INIT_THREAD _MD_InitializeThread
195 #define _MD_EXIT_THREAD(thread)
196 #define _MD_SUSPEND_THREAD(thread)
197 #define _MD_RESUME_THREAD(thread)
198 #define _MD_CLEAN_THREAD(_thread)
200 /* The following defines unwrapped versions of select() and poll(). */
201 #include <sys/time.h>
202 extern int __select (int, fd_set *, fd_set *, fd_set *, struct timeval *);
203 #define _MD_SELECT __select
205 #include <sys/poll.h>
206 #define _MD_POLL __poll
207 extern int __poll(struct pollfd filedes[], unsigned int nfds, int timeout);
209 /*
210 * Atomic operations
211 */
212 #ifdef OSF1_HAVE_MACHINE_BUILTINS_H
213 #include <machine/builtins.h>
214 #define _PR_HAVE_ATOMIC_OPS
215 #define _MD_INIT_ATOMIC()
216 #define _MD_ATOMIC_INCREMENT(val) (__ATOMIC_INCREMENT_LONG(val) + 1)
217 #define _MD_ATOMIC_ADD(ptr, val) (__ATOMIC_ADD_LONG(ptr, val) + val)
218 #define _MD_ATOMIC_DECREMENT(val) (__ATOMIC_DECREMENT_LONG(val) - 1)
219 #define _MD_ATOMIC_SET(val, newval) __ATOMIC_EXCH_LONG(val, newval)
220 #endif /* OSF1_HAVE_MACHINE_BUILTINS_H */
222 #endif /* nspr_osf1_defs_h___ */
