nsprpub/pr/include/md/_bsdi.h@44a2da4a2ab2
nsprpub/pr/include/md/_bsdi.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_bsdi_defs_h___
7 #define nspr_bsdi_defs_h___
9 /*
10 * Internal configuration macros
11 */
13 #include <sys/param.h> /* for _BSDI_VERSION */
15 #define PR_LINKER_ARCH "bsdi"
16 #define _PR_SI_SYSNAME "BSDI"
17 #if defined(__i386__)
18 #define _PR_SI_ARCHITECTURE "x86"
19 #elif defined(__sparc__)
20 #define _PR_SI_ARCHITECTURE "sparc"
21 #else
22 #error "Unknown CPU architecture"
23 #endif
24 #define PR_DLL_SUFFIX ".so"
26 #define _PR_STACK_VMBASE 0x50000000
27 #define _MD_DEFAULT_STACK_SIZE 65536L
28 #define _MD_MMAP_FLAGS MAP_PRIVATE
30 #define HAVE_BSD_FLOCK
31 #define NEED_TIME_R
32 #define _PR_HAVE_SOCKADDR_LEN
33 #define _PR_NO_LARGE_FILES
35 #define USE_SETJMP
37 /* BSD/OS 4.3 and newer all have IPv6 support */
38 #if _BSDI_VERSION >= 200105
39 #define _PR_INET6
40 #define _PR_HAVE_INET_NTOP
41 #define _PR_HAVE_GETIPNODEBYNAME
42 #define _PR_HAVE_GETIPNODEBYADDR
43 #define _PR_HAVE_GETADDRINFO
44 #define _PR_INET6_PROBE
45 #endif
47 #ifndef _PR_PTHREADS
49 #include <setjmp.h>
51 #if defined(_PR_BSDI_JMPBUF_IS_ARRAY)
52 #define _MD_GET_SP(_t) (_t)->md.context[2]
53 #elif defined(_PR_BSDI_JMPBUF_IS_STRUCT)
54 #define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp
55 #else
56 #error "Unknown BSDI jmp_buf type"
57 #endif
59 #define PR_NUM_GCREGS _JBLEN
60 #define PR_CONTEXT_TYPE jmp_buf
62 #define CONTEXT(_th) ((_th)->md.context)
64 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
65 { \
66 *status = PR_TRUE; \
67 if (setjmp(CONTEXT(_thread))) { \
68 _main(); \
69 } \
70 _MD_GET_SP(_thread) = (int) (_sp - 64); \
71 }
73 #define _MD_SWITCH_CONTEXT(_thread) \
74 if (!setjmp(CONTEXT(_thread))) { \
75 (_thread)->md.errcode = errno; \
76 _PR_Schedule(); \
77 }
79 /*
80 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
81 */
82 #define _MD_RESTORE_CONTEXT(_thread) \
83 { \
84 errno = (_thread)->md.errcode; \
85 _MD_SET_CURRENT_THREAD(_thread); \
86 longjmp(CONTEXT(_thread), 1); \
87 }
89 /* Machine-dependent (MD) data structures */
91 struct _MDThread {
92 PR_CONTEXT_TYPE context;
93 int id;
94 int errcode;
95 };
97 struct _MDThreadStack {
98 PRInt8 notused;
99 };
101 struct _MDLock {
102 PRInt8 notused;
103 };
105 struct _MDSemaphore {
106 PRInt8 notused;
107 };
109 struct _MDCVar {
110 PRInt8 notused;
111 };
113 struct _MDSegment {
114 PRInt8 notused;
115 };
117 /*
118 * md-specific cpu structure field
119 */
120 #define _PR_MD_MAX_OSFD FD_SETSIZE
122 struct _MDCPU_Unix {
123 PRCList ioQ;
124 PRUint32 ioq_timeout;
125 PRInt32 ioq_max_osfd;
126 PRInt32 ioq_osfd_cnt;
127 #ifndef _PR_USE_POLL
128 fd_set fd_read_set, fd_write_set, fd_exception_set;
129 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
130 fd_exception_cnt[_PR_MD_MAX_OSFD];
131 #else
132 struct pollfd *ioq_pollfds;
133 int ioq_pollfds_size;
134 #endif /* _PR_USE_POLL */
135 };
137 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
138 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
139 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
140 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
141 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
142 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
143 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
144 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
145 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
146 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
147 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
148 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
149 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
151 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
153 struct _MDCPU {
154 struct _MDCPU_Unix md_unix;
155 };
157 #define _MD_INIT_LOCKS()
158 #define _MD_NEW_LOCK(lock) PR_SUCCESS
159 #define _MD_FREE_LOCK(lock)
160 #define _MD_LOCK(lock)
161 #define _MD_UNLOCK(lock)
162 #define _MD_INIT_IO()
163 #define _MD_IOQ_LOCK()
164 #define _MD_IOQ_UNLOCK()
166 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
167 #define _MD_INIT_THREAD _MD_InitializeThread
168 #define _MD_EXIT_THREAD(thread)
169 #define _MD_CLEAN_THREAD(_thread)
171 #endif /* ! _PR_PTHREADS */
173 #define _MD_EARLY_INIT _MD_EarlyInit
174 #define _MD_FINAL_INIT _PR_UnixInit
176 #include <sys/syscall.h>
177 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
179 #define _MD_INTERVAL_USE_GTOD
181 #endif /* nspr_bsdi_defs_h___ */
