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nsprpub/pr/include/md/_freebsd.h@44a2da4a2ab2 (annotated)

nsprpub/pr/include/md/_freebsd.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

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nspr_freebsd_defs_h___
michael@0 7 #define nspr_freebsd_defs_h___
michael@0 8
michael@0 9 #include "prthread.h"
michael@0 10
michael@0 11 #if __FreeBSD__ >= 2
michael@0 12 #include <osreldate.h> /* for __FreeBSD_version */
michael@0 13 #endif
michael@0 14 #include <sys/syscall.h>
michael@0 15
michael@0 16 #define PR_LINKER_ARCH "freebsd"
michael@0 17 #define _PR_SI_SYSNAME "FREEBSD"
michael@0 18 #if defined(__i386__)
michael@0 19 #define _PR_SI_ARCHITECTURE "x86"
michael@0 20 #elif defined(__alpha__)
michael@0 21 #define _PR_SI_ARCHITECTURE "alpha"
michael@0 22 #elif defined(__sparc__)
michael@0 23 #define _PR_SI_ARCHITECTURE "sparc"
michael@0 24 #elif defined(__ia64__)
michael@0 25 #define _PR_SI_ARCHITECTURE "ia64"
michael@0 26 #elif defined(__amd64__)
michael@0 27 #define _PR_SI_ARCHITECTURE "amd64"
michael@0 28 #else
michael@0 29 #error "Unknown CPU architecture"
michael@0 30 #endif
michael@0 31 #if defined(__ELF__)
michael@0 32 #define PR_DLL_SUFFIX ".so"
michael@0 33 #else
michael@0 34 #define PR_DLL_SUFFIX ".so.1.0"
michael@0 35 #endif
michael@0 36
michael@0 37 #define _PR_VMBASE 0x30000000
michael@0 38 #define _PR_STACK_VMBASE 0x50000000
michael@0 39 #define _MD_DEFAULT_STACK_SIZE 65536L
michael@0 40 #define _MD_MMAP_FLAGS MAP_PRIVATE
michael@0 41
michael@0 42 #undef HAVE_STACK_GROWING_UP
michael@0 43 #define HAVE_DLL
michael@0 44 #define USE_DLFCN
michael@0 45 #define _PR_HAVE_SOCKADDR_LEN
michael@0 46 #define _PR_STAT_HAS_ST_ATIMESPEC
michael@0 47 #define _PR_HAVE_LARGE_OFF_T
michael@0 48
michael@0 49 #if defined(_PR_PTHREADS)
michael@0 50 #if __FreeBSD_version >= 400008
michael@0 51 /*
michael@0 52 * libc_r before this version of FreeBSD doesn't have poll().
michael@0 53 * Although libc has poll(), it is not thread-safe so we can't
michael@0 54 * use it in the pthreads version.
michael@0 55 */
michael@0 56 #define _PR_POLL_AVAILABLE
michael@0 57 #endif
michael@0 58 #else
michael@0 59 #if __FreeBSD_version >= 300000
michael@0 60 #define _PR_POLL_AVAILABLE
michael@0 61 #define _PR_USE_POLL
michael@0 62 #endif
michael@0 63 #endif
michael@0 64
michael@0 65 #define _PR_HAVE_SYSV_SEMAPHORES
michael@0 66 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
michael@0 67
michael@0 68 #if __FreeBSD_version >= 400014
michael@0 69 #define _PR_INET6
michael@0 70 #define _PR_HAVE_INET_NTOP
michael@0 71 #define _PR_HAVE_GETHOSTBYNAME2
michael@0 72 #define _PR_HAVE_GETADDRINFO
michael@0 73 #define _PR_INET6_PROBE
michael@0 74 #define _PR_IPV6_V6ONLY_PROBE
michael@0 75 #endif
michael@0 76
michael@0 77 #define USE_SETJMP
michael@0 78
michael@0 79 #ifndef _PR_PTHREADS
michael@0 80 #include <setjmp.h>
michael@0 81
michael@0 82 #define PR_CONTEXT_TYPE sigjmp_buf
michael@0 83
michael@0 84 #define CONTEXT(_th) ((_th)->md.context)
michael@0 85
michael@0 86 #define _MD_GET_SP(_th) (_th)->md.context[0]._sjb[2]
michael@0 87 #define PR_NUM_GCREGS _JBLEN
michael@0 88
michael@0 89 /*
michael@0 90 ** Initialize a thread context to run "_main()" when started
michael@0 91 */
michael@0 92 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
michael@0 93 { \
michael@0 94 *status = PR_TRUE; \
michael@0 95 if (sigsetjmp(CONTEXT(_thread), 1)) { \
michael@0 96 _main(); \
michael@0 97 } \
michael@0 98 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
michael@0 99 }
michael@0 100
michael@0 101 #define _MD_SWITCH_CONTEXT(_thread) \
michael@0 102 if (!sigsetjmp(CONTEXT(_thread), 1)) { \
michael@0 103 (_thread)->md.errcode = errno; \
michael@0 104 _PR_Schedule(); \
michael@0 105 }
michael@0 106
michael@0 107 /*
michael@0 108 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
michael@0 109 */
michael@0 110 #define _MD_RESTORE_CONTEXT(_thread) \
michael@0 111 { \
michael@0 112 errno = (_thread)->md.errcode; \
michael@0 113 _MD_SET_CURRENT_THREAD(_thread); \
michael@0 114 siglongjmp(CONTEXT(_thread), 1); \
michael@0 115 }
michael@0 116
michael@0 117 /* Machine-dependent (MD) data structures */
michael@0 118
michael@0 119 struct _MDThread {
michael@0 120 PR_CONTEXT_TYPE context;
michael@0 121 int id;
michael@0 122 int errcode;
michael@0 123 };
michael@0 124
michael@0 125 struct _MDThreadStack {
michael@0 126 PRInt8 notused;
michael@0 127 };
michael@0 128
michael@0 129 struct _MDLock {
michael@0 130 PRInt8 notused;
michael@0 131 };
michael@0 132
michael@0 133 struct _MDSemaphore {
michael@0 134 PRInt8 notused;
michael@0 135 };
michael@0 136
michael@0 137 struct _MDCVar {
michael@0 138 PRInt8 notused;
michael@0 139 };
michael@0 140
michael@0 141 struct _MDSegment {
michael@0 142 PRInt8 notused;
michael@0 143 };
michael@0 144
michael@0 145 /*
michael@0 146 * md-specific cpu structure field
michael@0 147 */
michael@0 148 #define _PR_MD_MAX_OSFD FD_SETSIZE
michael@0 149
michael@0 150 struct _MDCPU_Unix {
michael@0 151 PRCList ioQ;
michael@0 152 PRUint32 ioq_timeout;
michael@0 153 PRInt32 ioq_max_osfd;
michael@0 154 PRInt32 ioq_osfd_cnt;
michael@0 155 #ifndef _PR_USE_POLL
michael@0 156 fd_set fd_read_set, fd_write_set, fd_exception_set;
michael@0 157 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
michael@0 158 fd_exception_cnt[_PR_MD_MAX_OSFD];
michael@0 159 #else
michael@0 160 struct pollfd *ioq_pollfds;
michael@0 161 int ioq_pollfds_size;
michael@0 162 #endif /* _PR_USE_POLL */
michael@0 163 };
michael@0 164
michael@0 165 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
michael@0 166 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
michael@0 167 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
michael@0 168 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
michael@0 169 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
michael@0 170 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
michael@0 171 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
michael@0 172 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
michael@0 173 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
michael@0 174 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
michael@0 175 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
michael@0 176 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
michael@0 177 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
michael@0 178
michael@0 179 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
michael@0 180
michael@0 181 struct _MDCPU {
michael@0 182 struct _MDCPU_Unix md_unix;
michael@0 183 };
michael@0 184
michael@0 185 #define _MD_INIT_LOCKS()
michael@0 186 #define _MD_NEW_LOCK(lock) PR_SUCCESS
michael@0 187 #define _MD_FREE_LOCK(lock)
michael@0 188 #define _MD_LOCK(lock)
michael@0 189 #define _MD_UNLOCK(lock)
michael@0 190 #define _MD_INIT_IO()
michael@0 191 #define _MD_IOQ_LOCK()
michael@0 192 #define _MD_IOQ_UNLOCK()
michael@0 193
michael@0 194 extern PRStatus _MD_InitializeThread(PRThread *thread);
michael@0 195
michael@0 196 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
michael@0 197 #define _MD_INIT_THREAD _MD_InitializeThread
michael@0 198 #define _MD_EXIT_THREAD(thread)
michael@0 199 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
michael@0 200 #define _MD_RESUME_THREAD(thread) _MD_resume_thread
michael@0 201 #define _MD_CLEAN_THREAD(_thread)
michael@0 202
michael@0 203 extern PRStatus _MD_CREATE_THREAD(
michael@0 204 PRThread *thread,
michael@0 205 void (*start) (void *),
michael@0 206 PRThreadPriority priority,
michael@0 207 PRThreadScope scope,
michael@0 208 PRThreadState state,
michael@0 209 PRUint32 stackSize);
michael@0 210 extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
michael@0 211 extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
michael@0 212 extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
michael@0 213 extern void _MD_YIELD(void);
michael@0 214
michael@0 215 #endif /* ! _PR_PTHREADS */
michael@0 216
michael@0 217 extern void _MD_EarlyInit(void);
michael@0 218
michael@0 219 #define _MD_EARLY_INIT _MD_EarlyInit
michael@0 220 #define _MD_FINAL_INIT _PR_UnixInit
michael@0 221 #define _MD_INTERVAL_USE_GTOD
michael@0 222
michael@0 223 /*
michael@0 224 * We wrapped the select() call. _MD_SELECT refers to the built-in,
michael@0 225 * unwrapped version.
michael@0 226 */
michael@0 227 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
michael@0 228
michael@0 229 #if defined(_PR_POLL_AVAILABLE)
michael@0 230 #include <poll.h>
michael@0 231 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
michael@0 232 #endif
michael@0 233
michael@0 234 /* freebsd has INADDR_LOOPBACK defined, but in /usr/include/rpc/types.h, and I didn't
michael@0 235 want to be including that.. */
michael@0 236 #ifndef INADDR_LOOPBACK
michael@0 237 #define INADDR_LOOPBACK (u_long)0x7F000001
michael@0 238 #endif
michael@0 239
michael@0 240 /* For writev() */
michael@0 241 #include <sys/uio.h>
michael@0 242
michael@0 243 #endif /* nspr_freebsd_defs_h___ */

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