nsprpub/pr/include/md/_freebsd.h@6474c204b198
nsprpub/pr/include/md/_freebsd.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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_freebsd_defs_h___
7 #define nspr_freebsd_defs_h___
9 #include "prthread.h"
11 #if __FreeBSD__ >= 2
12 #include <osreldate.h> /* for __FreeBSD_version */
13 #endif
14 #include <sys/syscall.h>
16 #define PR_LINKER_ARCH "freebsd"
17 #define _PR_SI_SYSNAME "FREEBSD"
18 #if defined(__i386__)
19 #define _PR_SI_ARCHITECTURE "x86"
20 #elif defined(__alpha__)
21 #define _PR_SI_ARCHITECTURE "alpha"
22 #elif defined(__sparc__)
23 #define _PR_SI_ARCHITECTURE "sparc"
24 #elif defined(__ia64__)
25 #define _PR_SI_ARCHITECTURE "ia64"
26 #elif defined(__amd64__)
27 #define _PR_SI_ARCHITECTURE "amd64"
28 #else
29 #error "Unknown CPU architecture"
30 #endif
31 #if defined(__ELF__)
32 #define PR_DLL_SUFFIX ".so"
33 #else
34 #define PR_DLL_SUFFIX ".so.1.0"
35 #endif
37 #define _PR_VMBASE 0x30000000
38 #define _PR_STACK_VMBASE 0x50000000
39 #define _MD_DEFAULT_STACK_SIZE 65536L
40 #define _MD_MMAP_FLAGS MAP_PRIVATE
42 #undef HAVE_STACK_GROWING_UP
43 #define HAVE_DLL
44 #define USE_DLFCN
45 #define _PR_HAVE_SOCKADDR_LEN
46 #define _PR_STAT_HAS_ST_ATIMESPEC
47 #define _PR_HAVE_LARGE_OFF_T
49 #if defined(_PR_PTHREADS)
50 #if __FreeBSD_version >= 400008
51 /*
52 * libc_r before this version of FreeBSD doesn't have poll().
53 * Although libc has poll(), it is not thread-safe so we can't
54 * use it in the pthreads version.
55 */
56 #define _PR_POLL_AVAILABLE
57 #endif
58 #else
59 #if __FreeBSD_version >= 300000
60 #define _PR_POLL_AVAILABLE
61 #define _PR_USE_POLL
62 #endif
63 #endif
65 #define _PR_HAVE_SYSV_SEMAPHORES
66 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
68 #if __FreeBSD_version >= 400014
69 #define _PR_INET6
70 #define _PR_HAVE_INET_NTOP
71 #define _PR_HAVE_GETHOSTBYNAME2
72 #define _PR_HAVE_GETADDRINFO
73 #define _PR_INET6_PROBE
74 #define _PR_IPV6_V6ONLY_PROBE
75 #endif
77 #define USE_SETJMP
79 #ifndef _PR_PTHREADS
80 #include <setjmp.h>
82 #define PR_CONTEXT_TYPE sigjmp_buf
84 #define CONTEXT(_th) ((_th)->md.context)
86 #define _MD_GET_SP(_th) (_th)->md.context[0]._sjb[2]
87 #define PR_NUM_GCREGS _JBLEN
89 /*
90 ** Initialize a thread context to run "_main()" when started
91 */
92 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
93 { \
94 *status = PR_TRUE; \
95 if (sigsetjmp(CONTEXT(_thread), 1)) { \
96 _main(); \
97 } \
98 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
99 }
101 #define _MD_SWITCH_CONTEXT(_thread) \
102 if (!sigsetjmp(CONTEXT(_thread), 1)) { \
103 (_thread)->md.errcode = errno; \
104 _PR_Schedule(); \
105 }
107 /*
108 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
109 */
110 #define _MD_RESTORE_CONTEXT(_thread) \
111 { \
112 errno = (_thread)->md.errcode; \
113 _MD_SET_CURRENT_THREAD(_thread); \
114 siglongjmp(CONTEXT(_thread), 1); \
115 }
117 /* Machine-dependent (MD) data structures */
119 struct _MDThread {
120 PR_CONTEXT_TYPE context;
121 int id;
122 int errcode;
123 };
125 struct _MDThreadStack {
126 PRInt8 notused;
127 };
129 struct _MDLock {
130 PRInt8 notused;
131 };
133 struct _MDSemaphore {
134 PRInt8 notused;
135 };
137 struct _MDCVar {
138 PRInt8 notused;
139 };
141 struct _MDSegment {
142 PRInt8 notused;
143 };
145 /*
146 * md-specific cpu structure field
147 */
148 #define _PR_MD_MAX_OSFD FD_SETSIZE
150 struct _MDCPU_Unix {
151 PRCList ioQ;
152 PRUint32 ioq_timeout;
153 PRInt32 ioq_max_osfd;
154 PRInt32 ioq_osfd_cnt;
155 #ifndef _PR_USE_POLL
156 fd_set fd_read_set, fd_write_set, fd_exception_set;
157 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
158 fd_exception_cnt[_PR_MD_MAX_OSFD];
159 #else
160 struct pollfd *ioq_pollfds;
161 int ioq_pollfds_size;
162 #endif /* _PR_USE_POLL */
163 };
165 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
166 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
167 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
168 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
169 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
170 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
171 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
172 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
173 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
174 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
175 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
176 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
177 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
179 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
181 struct _MDCPU {
182 struct _MDCPU_Unix md_unix;
183 };
185 #define _MD_INIT_LOCKS()
186 #define _MD_NEW_LOCK(lock) PR_SUCCESS
187 #define _MD_FREE_LOCK(lock)
188 #define _MD_LOCK(lock)
189 #define _MD_UNLOCK(lock)
190 #define _MD_INIT_IO()
191 #define _MD_IOQ_LOCK()
192 #define _MD_IOQ_UNLOCK()
194 extern PRStatus _MD_InitializeThread(PRThread *thread);
196 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
197 #define _MD_INIT_THREAD _MD_InitializeThread
198 #define _MD_EXIT_THREAD(thread)
199 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
200 #define _MD_RESUME_THREAD(thread) _MD_resume_thread
201 #define _MD_CLEAN_THREAD(_thread)
203 extern PRStatus _MD_CREATE_THREAD(
204 PRThread *thread,
205 void (*start) (void *),
206 PRThreadPriority priority,
207 PRThreadScope scope,
208 PRThreadState state,
209 PRUint32 stackSize);
210 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
211 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
212 extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
213 extern void _MD_YIELD(void);
215 #endif /* ! _PR_PTHREADS */
217 extern void _MD_EarlyInit(void);
219 #define _MD_EARLY_INIT _MD_EarlyInit
220 #define _MD_FINAL_INIT _PR_UnixInit
221 #define _MD_INTERVAL_USE_GTOD
223 /*
224 * We wrapped the select() call. _MD_SELECT refers to the built-in,
225 * unwrapped version.
226 */
227 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
229 #if defined(_PR_POLL_AVAILABLE)
230 #include <poll.h>
231 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
232 #endif
234 /* freebsd has INADDR_LOOPBACK defined, but in /usr/include/rpc/types.h, and I didn't
235 want to be including that.. */
236 #ifndef INADDR_LOOPBACK
237 #define INADDR_LOOPBACK (u_long)0x7F000001
238 #endif
240 /* For writev() */
241 #include <sys/uio.h>
243 #endif /* nspr_freebsd_defs_h___ */
