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_aix_defs_h___ 36 #define nspr_aix_defs_h___ 37 38 #include <sys/types.h> 39 #if defined(_PR_PTHREADS) || defined(PTHREADS_USER) 40 #include <pthread.h> 41 #endif 42 43 /* 44 * To pick up fd_set and the poll events. 45 */ 46 #include <sys/select.h> 47 #include <sys/poll.h> 48 49 /* 50 * Internal configuration macros 51 */ 52 53 #define PR_LINKER_ARCH "aix" 54 #define _PR_SI_SYSNAME "AIX" 55 #define _PR_SI_ARCHITECTURE "rs6000" 56 #define PR_DLL_SUFFIX ".so" 57 58 #define _PR_VMBASE 0x30000000 59 #define _PR_STACK_VMBASE 0x50000000 60 #define _MD_DEFAULT_STACK_SIZE (2*65536L) 61 #define _MD_MINIMUM_STACK_SIZE (2*65536L) 62 #define _MD_MMAP_FLAGS MAP_PRIVATE 63 64 #define NEED_TIME_R 65 #undef HAVE_STACK_GROWING_UP 66 #undef HAVE_WEAK_IO_SYMBOLS 67 #undef HAVE_WEAK_MALLOC_SYMBOLS 68 #define HAVE_DLL 69 #define USE_DLFCN 70 #define _PR_HAVE_SOCKADDR_LEN 71 #define _PR_POLL_AVAILABLE 72 #define _PR_USE_POLL 73 #define _PR_STAT_HAS_ONLY_ST_ATIME 74 #ifdef _PR_INET6 75 #define _PR_HAVE_INET_NTOP 76 #define _PR_HAVE_GETHOSTBYNAME2 77 #define _PR_HAVE_GETADDRINFO 78 #endif 79 #define _PR_HAVE_SYSV_SEMAPHORES 80 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY 81 #define _PR_ACCEPT_INHERIT_NONBLOCK 82 83 /* Timer operations */ 84 #if defined(AIX_TIMERS) 85 extern PRIntervalTime _MD_AixGetInterval(void); 86 #define _MD_GET_INTERVAL _MD_AixGetInterval 87 88 extern PRIntervalTime _MD_AixIntervalPerSec(void); 89 #define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec 90 91 #else /* defined(AIX_TIMERS) */ 92 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 93 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 94 #endif /* defined(AIX_TIMERS) */ 95 96 #ifdef AIX_HAVE_ATOMIC_OP_H 97 /* The atomic operations */ 98 #include <sys/atomic_op.h> 99 #define _PR_HAVE_ATOMIC_OPS 100 #ifndef IS_64 101 #define _PR_HAVE_ATOMIC_CAS 102 #endif 103 #define _MD_INIT_ATOMIC() 104 #define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1) 105 #define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val) 106 #define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1) 107 #define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval) 108 #endif /* AIX_HAVE_ATOMIC_OP_H */ 109 110 #define USE_SETJMP 111 112 #include <setjmp.h> 113 114 #define _MD_GET_SP(_t) (_t)->md.jb[3] 115 #define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64)) 116 #define PR_NUM_GCREGS _JBLEN 117 118 #define CONTEXT(_th) ((_th)->md.jb) 119 #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) 120 #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) 121 122 #ifdef PTHREADS_USER 123 #include "_nspr_pthread.h" 124 #else 125 126 /* 127 ** Initialize the thread context preparing it to execute _main. 128 */ 129 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 130 PR_BEGIN_MACRO \ 131 *status = PR_TRUE; \ 132 if (setjmp(CONTEXT(_thread))) { \ 133 (*_main)(); \ 134 } \ 135 _MD_GET_SP(_thread) = (int) (_sp - 2 * 64); \ 136 PR_END_MACRO 137 138 #define _MD_SWITCH_CONTEXT(_thread) \ 139 if (!setjmp(CONTEXT(_thread))) { \ 140 (_thread)->md.errcode = errno; \ 141 _PR_Schedule(); \ 142 } 143 144 /* 145 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 146 */ 147 #define _MD_RESTORE_CONTEXT(_thread) \ 148 { \ 149 errno = (_thread)->md.errcode; \ 150 _MD_SET_CURRENT_THREAD(_thread); \ 151 longjmp(CONTEXT(_thread), 1); \ 152 } 153 154 /* Machine-dependent (MD) data structures */ 155 156 struct _MDThread { 157 jmp_buf jb; 158 int id; 159 int errcode; 160 }; 161 162 struct _MDThreadStack { 163 PRInt8 notused; 164 }; 165 166 struct _MDLock { 167 PRInt8 notused; 168 }; 169 170 struct _MDSemaphore { 171 PRInt8 notused; 172 }; 173 174 struct _MDCVar { 175 PRInt8 notused; 176 }; 177 178 struct _MDSegment { 179 PRInt8 notused; 180 }; 181 182 /* 183 * md-specific cpu structure field 184 */ 185 #define _PR_MD_MAX_OSFD FD_SETSIZE 186 187 struct _MDCPU_Unix { 188 PRCList ioQ; 189 PRUint32 ioq_timeout; 190 PRInt32 ioq_max_osfd; 191 PRInt32 ioq_osfd_cnt; 192 #ifndef _PR_USE_POLL 193 fd_set fd_read_set, fd_write_set, fd_exception_set; 194 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 195 fd_exception_cnt[_PR_MD_MAX_OSFD]; 196 #else 197 struct pollfd *ioq_pollfds; 198 int ioq_pollfds_size; 199 #endif /* _PR_USE_POLL */ 200 }; 201 202 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 203 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 204 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 205 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 206 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 207 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 208 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 209 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 210 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 211 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 212 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 213 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 214 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 215 216 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 217 218 struct _MDCPU { 219 struct _MDCPU_Unix md_unix; 220 }; 221 222 #if !defined(_PR_PTHREADS) 223 #define _MD_INIT_LOCKS() 224 #endif 225 226 #define _MD_NEW_LOCK(lock) PR_SUCCESS 227 #define _MD_FREE_LOCK(lock) 228 #define _MD_LOCK(lock) 229 #define _MD_UNLOCK(lock) 230 #define _MD_INIT_IO() 231 #define _MD_IOQ_LOCK() 232 #define _MD_IOQ_UNLOCK() 233 234 #define _MD_EARLY_INIT _MD_EarlyInit 235 #define _MD_FINAL_INIT _PR_UnixInit 236 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 237 #define _MD_INIT_THREAD _MD_InitializeThread 238 #define _MD_EXIT_THREAD(thread) 239 #define _MD_SUSPEND_THREAD(thread) 240 #define _MD_RESUME_THREAD(thread) 241 #define _MD_CLEAN_THREAD(_thread) 242 #endif /* PTHREADS_USER */ 243 244 #ifdef AIX_RENAME_SELECT 245 #define _MD_SELECT select 246 #define _MD_POLL poll 247 #endif 248 249 extern void _MD_aix_map_sendfile_error(int err); 250 251 #endif /* nspr_aix_defs_h___ */ 252
