OLD | NEW |
(Empty) | |
| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| 2 /* ***** BEGIN LICENSE BLOCK ***** |
| 3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 |
| 4 * |
| 5 * The contents of this file are subject to the Mozilla Public License Version |
| 6 * 1.1 (the "License"); you may not use this file except in compliance with |
| 7 * the License. You may obtain a copy of the License at |
| 8 * http://www.mozilla.org/MPL/ |
| 9 * |
| 10 * Software distributed under the License is distributed on an "AS IS" basis, |
| 11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License |
| 12 * for the specific language governing rights and limitations under the |
| 13 * License. |
| 14 * |
| 15 * The Original Code is the Netscape Portable Runtime (NSPR). |
| 16 * |
| 17 * The Initial Developer of the Original Code is |
| 18 * Netscape Communications Corporation. |
| 19 * Portions created by the Initial Developer are Copyright (C) 1998-2000 |
| 20 * the Initial Developer. All Rights Reserved. |
| 21 * |
| 22 * Contributor(s): |
| 23 * |
| 24 * Alternatively, the contents of this file may be used under the terms of |
| 25 * either the GNU General Public License Version 2 or later (the "GPL"), or |
| 26 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), |
| 27 * in which case the provisions of the GPL or the LGPL are applicable instead |
| 28 * of those above. If you wish to allow use of your version of this file only |
| 29 * under the terms of either the GPL or the LGPL, and not to allow others to |
| 30 * use your version of this file under the terms of the MPL, indicate your |
| 31 * decision by deleting the provisions above and replace them with the notice |
| 32 * and other provisions required by the GPL or the LGPL. If you do not delete |
| 33 * the provisions above, a recipient may use your version of this file under |
| 34 * the terms of any one of the MPL, the GPL or the LGPL. |
| 35 * |
| 36 * ***** END LICENSE BLOCK ***** */ |
| 37 |
| 38 #ifndef nspr_aix_defs_h___ |
| 39 #define nspr_aix_defs_h___ |
| 40 |
| 41 #include <sys/types.h> |
| 42 #if defined(_PR_PTHREADS) || defined(PTHREADS_USER) |
| 43 #include <pthread.h> |
| 44 #endif |
| 45 |
| 46 /* |
| 47 * To pick up fd_set and the poll events. |
| 48 */ |
| 49 #include <sys/select.h> |
| 50 #include <sys/poll.h> |
| 51 |
| 52 /* |
| 53 * Internal configuration macros |
| 54 */ |
| 55 |
| 56 #define PR_LINKER_ARCH "aix" |
| 57 #define _PR_SI_SYSNAME "AIX" |
| 58 #define _PR_SI_ARCHITECTURE "rs6000" |
| 59 #define PR_DLL_SUFFIX ".so" |
| 60 |
| 61 #define _PR_VMBASE 0x30000000 |
| 62 #define _PR_STACK_VMBASE 0x50000000 |
| 63 #define _MD_DEFAULT_STACK_SIZE (2*65536L) |
| 64 #define _MD_MINIMUM_STACK_SIZE (2*65536L) |
| 65 #define _MD_MMAP_FLAGS MAP_PRIVATE |
| 66 |
| 67 #define NEED_TIME_R |
| 68 #undef HAVE_STACK_GROWING_UP |
| 69 #undef HAVE_WEAK_IO_SYMBOLS |
| 70 #undef HAVE_WEAK_MALLOC_SYMBOLS |
| 71 #define HAVE_DLL |
| 72 #define USE_DLFCN |
| 73 #define _PR_HAVE_SOCKADDR_LEN |
| 74 #define _PR_POLL_AVAILABLE |
| 75 #define _PR_USE_POLL |
| 76 #define _PR_STAT_HAS_ONLY_ST_ATIME |
| 77 #ifdef _PR_INET6 |
| 78 #define _PR_HAVE_INET_NTOP |
| 79 #define _PR_HAVE_GETHOSTBYNAME2 |
| 80 #define _PR_HAVE_GETADDRINFO |
| 81 #endif |
| 82 #define _PR_HAVE_SYSV_SEMAPHORES |
| 83 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY |
| 84 #define _PR_ACCEPT_INHERIT_NONBLOCK |
| 85 |
| 86 /* Timer operations */ |
| 87 #if defined(AIX_TIMERS) |
| 88 extern PRIntervalTime _MD_AixGetInterval(void); |
| 89 #define _MD_GET_INTERVAL _MD_AixGetInterval |
| 90 |
| 91 extern PRIntervalTime _MD_AixIntervalPerSec(void); |
| 92 #define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec |
| 93 |
| 94 #else /* defined(AIX_TIMERS) */ |
| 95 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval |
| 96 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond |
| 97 #endif /* defined(AIX_TIMERS) */ |
| 98 |
| 99 #ifdef AIX_HAVE_ATOMIC_OP_H |
| 100 /* The atomic operations */ |
| 101 #include <sys/atomic_op.h> |
| 102 #define _PR_HAVE_ATOMIC_OPS |
| 103 #ifndef IS_64 |
| 104 #define _PR_HAVE_ATOMIC_CAS |
| 105 #endif |
| 106 #define _MD_INIT_ATOMIC() |
| 107 #define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) +
1) |
| 108 #define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) +
val) |
| 109 #define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) -
1) |
| 110 #define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval) |
| 111 #endif /* AIX_HAVE_ATOMIC_OP_H */ |
| 112 |
| 113 #define USE_SETJMP |
| 114 |
| 115 #include <setjmp.h> |
| 116 |
| 117 #define _MD_GET_SP(_t) (_t)->md.jb[3] |
| 118 #define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64)) |
| 119 #define PR_NUM_GCREGS _JBLEN |
| 120 |
| 121 #define CONTEXT(_th) ((_th)->md.jb) |
| 122 #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) |
| 123 #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) |
| 124 |
| 125 #ifdef PTHREADS_USER |
| 126 #include "_nspr_pthread.h" |
| 127 #else |
| 128 |
| 129 /* |
| 130 ** Initialize the thread context preparing it to execute _main. |
| 131 */ |
| 132 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ |
| 133 PR_BEGIN_MACRO \ |
| 134 *status = PR_TRUE; \ |
| 135 if (setjmp(CONTEXT(_thread))) { \ |
| 136 (*_main)(); \ |
| 137 } \ |
| 138 _MD_GET_SP(_thread) = (int) (_sp - 2 * 64); \ |
| 139 PR_END_MACRO |
| 140 |
| 141 #define _MD_SWITCH_CONTEXT(_thread) \ |
| 142 if (!setjmp(CONTEXT(_thread))) { \ |
| 143 (_thread)->md.errcode = errno; \ |
| 144 _PR_Schedule(); \ |
| 145 } |
| 146 |
| 147 /* |
| 148 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT |
| 149 */ |
| 150 #define _MD_RESTORE_CONTEXT(_thread) \ |
| 151 { \ |
| 152 errno = (_thread)->md.errcode; \ |
| 153 _MD_SET_CURRENT_THREAD(_thread); \ |
| 154 longjmp(CONTEXT(_thread), 1); \ |
| 155 } |
| 156 |
| 157 /* Machine-dependent (MD) data structures */ |
| 158 |
| 159 struct _MDThread { |
| 160 jmp_buf jb; |
| 161 int id; |
| 162 int errcode; |
| 163 }; |
| 164 |
| 165 struct _MDThreadStack { |
| 166 PRInt8 notused; |
| 167 }; |
| 168 |
| 169 struct _MDLock { |
| 170 PRInt8 notused; |
| 171 }; |
| 172 |
| 173 struct _MDSemaphore { |
| 174 PRInt8 notused; |
| 175 }; |
| 176 |
| 177 struct _MDCVar { |
| 178 PRInt8 notused; |
| 179 }; |
| 180 |
| 181 struct _MDSegment { |
| 182 PRInt8 notused; |
| 183 }; |
| 184 |
| 185 /* |
| 186 * md-specific cpu structure field |
| 187 */ |
| 188 #define _PR_MD_MAX_OSFD FD_SETSIZE |
| 189 |
| 190 struct _MDCPU_Unix { |
| 191 PRCList ioQ; |
| 192 PRUint32 ioq_timeout; |
| 193 PRInt32 ioq_max_osfd; |
| 194 PRInt32 ioq_osfd_cnt; |
| 195 #ifndef _PR_USE_POLL |
| 196 fd_set fd_read_set, fd_write_set, fd_exception_set; |
| 197 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], |
| 198 fd_exception_cnt[_PR_MD_MAX_OSFD]; |
| 199 #else |
| 200 struct pollfd *ioq_pollfds; |
| 201 int ioq_pollfds_size; |
| 202 #endif /* _PR_USE_POLL */ |
| 203 }; |
| 204 |
| 205 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) |
| 206 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) |
| 207 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) |
| 208 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) |
| 209 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) |
| 210 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) |
| 211 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) |
| 212 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) |
| 213 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) |
| 214 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) |
| 215 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) |
| 216 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) |
| 217 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) |
| 218 |
| 219 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 |
| 220 |
| 221 struct _MDCPU { |
| 222 struct _MDCPU_Unix md_unix; |
| 223 }; |
| 224 |
| 225 #if !defined(_PR_PTHREADS) |
| 226 #define _MD_INIT_LOCKS() |
| 227 #endif |
| 228 |
| 229 #define _MD_NEW_LOCK(lock) PR_SUCCESS |
| 230 #define _MD_FREE_LOCK(lock) |
| 231 #define _MD_LOCK(lock) |
| 232 #define _MD_UNLOCK(lock) |
| 233 #define _MD_INIT_IO() |
| 234 #define _MD_IOQ_LOCK() |
| 235 #define _MD_IOQ_UNLOCK() |
| 236 |
| 237 #define _MD_EARLY_INIT _MD_EarlyInit |
| 238 #define _MD_FINAL_INIT _PR_UnixInit |
| 239 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) |
| 240 #define _MD_INIT_THREAD _MD_InitializeThread |
| 241 #define _MD_EXIT_THREAD(thread) |
| 242 #define _MD_SUSPEND_THREAD(thread) |
| 243 #define _MD_RESUME_THREAD(thread) |
| 244 #define _MD_CLEAN_THREAD(_thread) |
| 245 #endif /* PTHREADS_USER */ |
| 246 |
| 247 #ifdef AIX_RENAME_SELECT |
| 248 #define _MD_SELECT select |
| 249 #define _MD_POLL poll |
| 250 #endif |
| 251 |
| 252 extern void _MD_aix_map_sendfile_error(int err); |
| 253 |
| 254 #endif /* nspr_aix_defs_h___ */ |
OLD | NEW |