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_freebsd_defs_h___ 36#define nspr_freebsd_defs_h___ 37 38#include "prthread.h" 39 40#if __FreeBSD__ >= 2 41#include <osreldate.h> /* for __FreeBSD_version */ 42#endif 43#include <sys/syscall.h> 44 45#define PR_LINKER_ARCH "freebsd" 46#define _PR_SI_SYSNAME "FREEBSD" 47#if defined(__i386__) 48#define _PR_SI_ARCHITECTURE "x86" 49#elif defined(__alpha) 50#define _PR_SI_ARCHITECTURE "alpha" 51#elif defined(__sparc__) 52#define _PR_SI_ARCHITECTURE "sparc" 53#else 54#error "Unknown CPU architecture" 55#endif 56#if defined(__ELF__) 57#define PR_DLL_SUFFIX ".so" 58#else 59#define PR_DLL_SUFFIX ".so.1.0" 60#endif 61 62#define _PR_VMBASE 0x30000000 63#define _PR_STACK_VMBASE 0x50000000 64#define _MD_DEFAULT_STACK_SIZE 65536L 65#define _MD_MMAP_FLAGS MAP_PRIVATE 66 67#undef HAVE_STACK_GROWING_UP 68#define HAVE_DLL 69#define USE_DLFCN 70#define _PR_HAVE_SOCKADDR_LEN 71#define _PR_STAT_HAS_ST_ATIMESPEC 72#define _PR_NO_LARGE_FILES 73 74#if defined(_PR_PTHREADS) 75#if __FreeBSD_version >= 400008 76/* 77 * libc_r before this version of FreeBSD doesn't have poll(). 78 * Although libc has poll(), it is not thread-safe so we can't 79 * use it in the pthreads version. 80 */ 81#define _PR_POLL_AVAILABLE 82#endif 83#else 84#if __FreeBSD_version >= 300000 85#define _PR_POLL_AVAILABLE 86#define _PR_USE_POLL 87#endif 88#endif 89 90#define _PR_HAVE_SYSV_SEMAPHORES 91#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY 92 93#if __FreeBSD_version >= 400014 94#define _PR_INET6 95#define _PR_HAVE_INET_NTOP 96#define _PR_HAVE_GETHOSTBYNAME2 97#define _PR_HAVE_GETADDRINFO 98#define _PR_INET6_PROBE 99#endif 100 101#define USE_SETJMP 102 103#ifndef _PR_PTHREADS 104#include <setjmp.h> 105 106#define PR_CONTEXT_TYPE sigjmp_buf 107 108#define CONTEXT(_th) ((_th)->md.context) 109 110#define _MD_GET_SP(_th) (_th)->md.context[0]._sjb[2] 111#define PR_NUM_GCREGS _JBLEN 112 113/* 114** Initialize a thread context to run "_main()" when started 115*/ 116#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 117{ \ 118 *status = PR_TRUE; \ 119 if (sigsetjmp(CONTEXT(_thread), 1)) { \ 120 _main(); \ 121 } \ 122 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ 123} 124 125#define _MD_SWITCH_CONTEXT(_thread) \ 126 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ 127 (_thread)->md.errcode = errno; \ 128 _PR_Schedule(); \ 129 } 130 131/* 132** Restore a thread context, saved by _MD_SWITCH_CONTEXT 133*/ 134#define _MD_RESTORE_CONTEXT(_thread) \ 135{ \ 136 errno = (_thread)->md.errcode; \ 137 _MD_SET_CURRENT_THREAD(_thread); \ 138 siglongjmp(CONTEXT(_thread), 1); \ 139} 140 141/* Machine-dependent (MD) data structures */ 142 143struct _MDThread { 144 PR_CONTEXT_TYPE context; 145 int id; 146 int errcode; 147}; 148 149struct _MDThreadStack { 150 PRInt8 notused; 151}; 152 153struct _MDLock { 154 PRInt8 notused; 155}; 156 157struct _MDSemaphore { 158 PRInt8 notused; 159}; 160 161struct _MDCVar { 162 PRInt8 notused; 163}; 164 165struct _MDSegment { 166 PRInt8 notused; 167}; 168 169/* 170 * md-specific cpu structure field 171 */ 172#define _PR_MD_MAX_OSFD FD_SETSIZE 173 174struct _MDCPU_Unix { 175 PRCList ioQ; 176 PRUint32 ioq_timeout; 177 PRInt32 ioq_max_osfd; 178 PRInt32 ioq_osfd_cnt; 179#ifndef _PR_USE_POLL 180 fd_set fd_read_set, fd_write_set, fd_exception_set; 181 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 182 fd_exception_cnt[_PR_MD_MAX_OSFD]; 183#else 184 struct pollfd *ioq_pollfds; 185 int ioq_pollfds_size; 186#endif /* _PR_USE_POLL */ 187}; 188 189#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 190#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 191#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 192#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 193#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 194#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 195#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 196#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 197#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 198#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 199#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 200#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 201#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 202 203#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 204 205struct _MDCPU { 206 struct _MDCPU_Unix md_unix; 207}; 208 209#define _MD_INIT_LOCKS() 210#define _MD_NEW_LOCK(lock) PR_SUCCESS 211#define _MD_FREE_LOCK(lock) 212#define _MD_LOCK(lock) 213#define _MD_UNLOCK(lock) 214#define _MD_INIT_IO() 215#define _MD_IOQ_LOCK() 216#define _MD_IOQ_UNLOCK() 217 218extern PRStatus _MD_InitializeThread(PRThread *thread); 219 220#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 221#define _MD_INIT_THREAD _MD_InitializeThread 222#define _MD_EXIT_THREAD(thread) 223#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread 224#define _MD_RESUME_THREAD(thread) _MD_resume_thread 225#define _MD_CLEAN_THREAD(_thread) 226 227extern PRStatus _MD_CREATE_THREAD( 228 PRThread *thread, 229 void (*start) (void *), 230 PRThreadPriority priority, 231 PRThreadScope scope, 232 PRThreadState state, 233 PRUint32 stackSize); 234extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); 235extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); 236extern PRStatus _MD_WAKEUP_WAITER(PRThread *); 237extern void _MD_YIELD(void); 238 239#endif /* ! _PR_PTHREADS */ 240 241extern void _MD_EarlyInit(void); 242extern PRIntervalTime _PR_UNIX_GetInterval(void); 243extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); 244 245#define _MD_EARLY_INIT _MD_EarlyInit 246#define _MD_FINAL_INIT _PR_UnixInit 247#define _MD_GET_INTERVAL _PR_UNIX_GetInterval 248#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 249 250/* 251 * We wrapped the select() call. _MD_SELECT refers to the built-in, 252 * unwrapped version. 253 */ 254#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 255 256#if defined(_PR_POLL_AVAILABLE) 257#include <poll.h> 258#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) 259#endif 260 261/* freebsd has INADDR_LOOPBACK defined, but in /usr/include/rpc/types.h, and I didn't 262 want to be including that.. */ 263#ifndef INADDR_LOOPBACK 264#define INADDR_LOOPBACK (u_long)0x7F000001 265#endif 266 267/* For writev() */ 268#include <sys/uio.h> 269 270#endif /* nspr_freebsd_defs_h___ */ 271