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_xhppa_defs_h___ 36 #define nspr_xhppa_defs_h___ 37 38 /* 39 * Internal configuration macros 40 */ 41 42 #define PR_LINKER_ARCH "hpux" 43 #define _PR_SI_SYSNAME "HPUX" 44 #define _PR_SI_ARCHITECTURE "hppa1.1" 45 #define PR_DLL_SUFFIX ".sl" 46 47 #define _PR_VMBASE 0x30000000 48 #define _PR_STACK_VMBASE 0x50000000 49 /* 50 * _USE_BIG_FDS increases the size of fd_set from 256 bytes to 51 * about 7500 bytes. PR_Poll allocates three fd_sets on the 52 * stack, so it is safer to also increase the default thread 53 * stack size. 54 */ 55 #define _MD_DEFAULT_STACK_SIZE (2*65536L) 56 #define _MD_MINIMUM_STACK_SIZE (2*65536L) 57 #define _MD_MMAP_FLAGS MAP_PRIVATE 58 59 #define NEED_TIME_R 60 61 #define HAVE_STACK_GROWING_UP 62 #undef HAVE_WEAK_IO_SYMBOLS 63 #undef HAVE_WEAK_MALLOC_SYMBOLS 64 #define HAVE_DLL 65 #ifdef IS_64 66 #define USE_DLFCN 67 #else 68 #define USE_HPSHL 69 #endif 70 #ifndef HAVE_STRERROR 71 #define HAVE_STRERROR 72 #endif 73 #define _PR_POLL_AVAILABLE 74 #define _PR_USE_POLL 75 #define _PR_STAT_HAS_ONLY_ST_ATIME 76 #define _PR_HAVE_POSIX_SEMAPHORES 77 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY 78 #define _PR_ACCEPT_INHERIT_NONBLOCK 79 80 #undef _PR_HAVE_ATOMIC_OPS 81 82 #ifdef _PR_INET6 83 #define _PR_HAVE_INET_NTOP 84 #define _PR_HAVE_GETIPNODEBYNAME 85 #define _PR_HAVE_GETIPNODEBYADDR 86 #define _PR_HAVE_GETADDRINFO 87 #define _PR_INET6_PROBE 88 #endif 89 90 #if !defined(_PR_PTHREADS) 91 92 #include <syscall.h> 93 #include <setjmp.h> 94 95 #define USE_SETJMP 96 97 #define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1)) 98 #define PR_NUM_GCREGS _JBLEN 99 /* Caveat: This makes jmp_buf full of doubles. */ 100 #define CONTEXT(_th) ((_th)->md.jb) 101 102 /* Stack needs two frames (64 bytes) at the bottom */ \ 103 #define _MD_SET_THR_SP(_t, _sp) ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2)) 104 #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) 105 #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) 106 107 #if !defined(PTHREADS_USER) 108 109 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 110 { \ 111 *(status) = PR_TRUE; \ 112 if (_setjmp(CONTEXT(_thread))) (*_main)(); \ 113 /* Stack needs two frames (64 bytes) at the bottom */ \ 114 (_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \ 115 } 116 117 #define _MD_SWITCH_CONTEXT(_thread) \ 118 if (!_setjmp(CONTEXT(_thread))) { \ 119 (_thread)->md.errcode = errno; \ 120 _PR_Schedule(); \ 121 } 122 123 /* 124 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 125 */ 126 #define _MD_RESTORE_CONTEXT(_thread) \ 127 { \ 128 errno = (_thread)->md.errcode; \ 129 _MD_SET_CURRENT_THREAD(_thread); \ 130 _longjmp(CONTEXT(_thread), 1); \ 131 } 132 133 /* Machine-dependent (MD) data structures. HP-UX has no native threads. */ 134 135 struct _MDThread { 136 jmp_buf jb; 137 int id; 138 int errcode; 139 }; 140 141 struct _MDThreadStack { 142 PRInt8 notused; 143 }; 144 145 struct _MDLock { 146 PRInt8 notused; 147 }; 148 149 struct _MDSemaphore { 150 PRInt8 notused; 151 }; 152 153 struct _MDCVar { 154 PRInt8 notused; 155 }; 156 157 struct _MDSegment { 158 PRInt8 notused; 159 }; 160 161 /* 162 * md-specific cpu structure field 163 */ 164 #define _PR_MD_MAX_OSFD FD_SETSIZE 165 166 struct _MDCPU_Unix { 167 PRCList ioQ; 168 PRUint32 ioq_timeout; 169 PRInt32 ioq_max_osfd; 170 PRInt32 ioq_osfd_cnt; 171 #ifndef _PR_USE_POLL 172 fd_set fd_read_set, fd_write_set, fd_exception_set; 173 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 174 fd_exception_cnt[_PR_MD_MAX_OSFD]; 175 #else 176 struct pollfd *ioq_pollfds; 177 int ioq_pollfds_size; 178 #endif /* _PR_USE_POLL */ 179 }; 180 181 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 182 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 183 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 184 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 185 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 186 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 187 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 188 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 189 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 190 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 191 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 192 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 193 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 194 195 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 196 197 struct _MDCPU { 198 struct _MDCPU_Unix md_unix; 199 }; 200 201 #define _MD_INIT_LOCKS() 202 #define _MD_NEW_LOCK(lock) PR_SUCCESS 203 #define _MD_FREE_LOCK(lock) 204 #define _MD_LOCK(lock) 205 #define _MD_UNLOCK(lock) 206 #define _MD_INIT_IO() 207 #define _MD_IOQ_LOCK() 208 #define _MD_IOQ_UNLOCK() 209 210 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 211 #define _MD_INIT_THREAD _MD_InitializeThread 212 #define _MD_EXIT_THREAD(thread) 213 #define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread 214 #define _MD_RESUME_THREAD(thread) _MD_resume_thread 215 #define _MD_CLEAN_THREAD(_thread) 216 217 #else /* PTHREADS_USER */ 218 219 #include "_nspr_pthread.h" 220 221 #endif /* PTHREADS_USER */ 222 223 #endif /* !defined(_PR_PTHREADS) */ 224 225 #if !defined(PTHREADS_USER) 226 #define _MD_EARLY_INIT _MD_EarlyInit 227 #define _MD_FINAL_INIT _PR_UnixInit 228 #endif 229 230 #if defined(HPUX_LW_TIMER) 231 extern void _PR_HPUX_LW_IntervalInit(void); 232 extern PRIntervalTime _PR_HPUX_LW_GetInterval(void); 233 #define _MD_INTERVAL_INIT _PR_HPUX_LW_IntervalInit 234 #define _MD_GET_INTERVAL _PR_HPUX_LW_GetInterval 235 #define _MD_INTERVAL_PER_SEC() 1000 236 #else 237 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 238 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 239 #endif 240 241 /* 242 * We wrapped the select() call. _MD_SELECT refers to the built-in, 243 * unwrapped version. 244 */ 245 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 246 247 #include <poll.h> 248 #define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout) 249 250 #ifdef HPUX11 251 extern void _MD_hpux_map_sendfile_error(int err); 252 #endif /* HPUX11 */ 253 254 #endif /* nspr_xhppa_defs_h___ */ 255
