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comparison: nsprpub/pr/include/md/_aix.h
nsprpub/pr/include/md/_aix.h
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- TOR_BUG_9701
- changeset 13
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| -1:000000000000 | 0:2df6e1aecdc8 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nspr_aix_defs_h___ | |
| 7 #define nspr_aix_defs_h___ | |
| 8 | |
| 9 #include <sys/types.h> | |
| 10 #if defined(_PR_PTHREADS) || defined(PTHREADS_USER) | |
| 11 #include <pthread.h> | |
| 12 #endif | |
| 13 | |
| 14 /* | |
| 15 * To pick up fd_set and the poll events. | |
| 16 */ | |
| 17 #include <sys/select.h> | |
| 18 #include <sys/poll.h> | |
| 19 | |
| 20 /* | |
| 21 * Internal configuration macros | |
| 22 */ | |
| 23 | |
| 24 #define PR_LINKER_ARCH "aix" | |
| 25 #define _PR_SI_SYSNAME "AIX" | |
| 26 #define _PR_SI_ARCHITECTURE "rs6000" | |
| 27 #define PR_DLL_SUFFIX ".so" | |
| 28 | |
| 29 #define _PR_VMBASE 0x30000000 | |
| 30 #define _PR_STACK_VMBASE 0x50000000 | |
| 31 #define _MD_DEFAULT_STACK_SIZE (2*65536L) | |
| 32 #define _MD_MINIMUM_STACK_SIZE (2*65536L) | |
| 33 #define _MD_MMAP_FLAGS MAP_PRIVATE | |
| 34 | |
| 35 #define NEED_TIME_R | |
| 36 #undef HAVE_STACK_GROWING_UP | |
| 37 #undef HAVE_WEAK_IO_SYMBOLS | |
| 38 #undef HAVE_WEAK_MALLOC_SYMBOLS | |
| 39 #define HAVE_DLL | |
| 40 #define USE_DLFCN | |
| 41 #define _PR_HAVE_SOCKADDR_LEN | |
| 42 #define _PR_POLL_AVAILABLE | |
| 43 #define _PR_USE_POLL | |
| 44 #define _PR_STAT_HAS_ONLY_ST_ATIME | |
| 45 #ifdef _PR_INET6 | |
| 46 #define _PR_HAVE_INET_NTOP | |
| 47 #define _PR_HAVE_GETHOSTBYNAME2 | |
| 48 #ifdef _AIX51 /* AIX 4.3.3 does not have AI_NUMERICHOST. */ | |
| 49 #define _PR_HAVE_GETADDRINFO | |
| 50 #endif | |
| 51 #endif | |
| 52 #define _PR_HAVE_SYSV_SEMAPHORES | |
| 53 #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY | |
| 54 #define _PR_ACCEPT_INHERIT_NONBLOCK | |
| 55 | |
| 56 /* Timer operations */ | |
| 57 #if defined(AIX_TIMERS) | |
| 58 #define _MD_INTERVAL_INIT() | |
| 59 | |
| 60 extern PRIntervalTime _MD_AixGetInterval(void); | |
| 61 #define _MD_GET_INTERVAL _MD_AixGetInterval | |
| 62 | |
| 63 extern PRIntervalTime _MD_AixIntervalPerSec(void); | |
| 64 #define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec | |
| 65 | |
| 66 #else /* defined(AIX_TIMERS) */ | |
| 67 #define _MD_INTERVAL_USE_GTOD | |
| 68 #endif /* defined(AIX_TIMERS) */ | |
| 69 | |
| 70 #ifdef AIX_HAVE_ATOMIC_OP_H | |
| 71 /* The atomic operations */ | |
| 72 #include <sys/atomic_op.h> | |
| 73 #define _PR_HAVE_ATOMIC_OPS | |
| 74 #ifndef IS_64 | |
| 75 #define _PR_HAVE_ATOMIC_CAS | |
| 76 #endif | |
| 77 #define _MD_INIT_ATOMIC() | |
| 78 #define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1) | |
| 79 #define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val) | |
| 80 #define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1) | |
| 81 #define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval) | |
| 82 #endif /* AIX_HAVE_ATOMIC_OP_H */ | |
| 83 | |
| 84 #define USE_SETJMP | |
| 85 | |
| 86 #include <setjmp.h> | |
| 87 | |
| 88 #define _MD_GET_SP(_t) (_t)->md.jb[3] | |
| 89 #define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64)) | |
| 90 #define PR_NUM_GCREGS _JBLEN | |
| 91 | |
| 92 #define CONTEXT(_th) ((_th)->md.jb) | |
| 93 #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th)) | |
| 94 #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1) | |
| 95 | |
| 96 #ifdef PTHREADS_USER | |
| 97 #include "_nspr_pthread.h" | |
| 98 #else | |
| 99 | |
| 100 /* | |
| 101 ** Initialize the thread context preparing it to execute _main. | |
| 102 */ | |
| 103 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ | |
| 104 PR_BEGIN_MACRO \ | |
| 105 *status = PR_TRUE; \ | |
| 106 if (setjmp(CONTEXT(_thread))) { \ | |
| 107 (*_main)(); \ | |
| 108 } \ | |
| 109 _MD_GET_SP(_thread) = (int) (_sp - 2 * 64); \ | |
| 110 PR_END_MACRO | |
| 111 | |
| 112 #define _MD_SWITCH_CONTEXT(_thread) \ | |
| 113 if (!setjmp(CONTEXT(_thread))) { \ | |
| 114 (_thread)->md.errcode = errno; \ | |
| 115 _PR_Schedule(); \ | |
| 116 } | |
| 117 | |
| 118 /* | |
| 119 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT | |
| 120 */ | |
| 121 #define _MD_RESTORE_CONTEXT(_thread) \ | |
| 122 { \ | |
| 123 errno = (_thread)->md.errcode; \ | |
| 124 _MD_SET_CURRENT_THREAD(_thread); \ | |
| 125 longjmp(CONTEXT(_thread), 1); \ | |
| 126 } | |
| 127 | |
| 128 /* Machine-dependent (MD) data structures */ | |
| 129 | |
| 130 struct _MDThread { | |
| 131 jmp_buf jb; | |
| 132 int id; | |
| 133 int errcode; | |
| 134 }; | |
| 135 | |
| 136 struct _MDThreadStack { | |
| 137 PRInt8 notused; | |
| 138 }; | |
| 139 | |
| 140 struct _MDLock { | |
| 141 PRInt8 notused; | |
| 142 }; | |
| 143 | |
| 144 struct _MDSemaphore { | |
| 145 PRInt8 notused; | |
| 146 }; | |
| 147 | |
| 148 struct _MDCVar { | |
| 149 PRInt8 notused; | |
| 150 }; | |
| 151 | |
| 152 struct _MDSegment { | |
| 153 PRInt8 notused; | |
| 154 }; | |
| 155 | |
| 156 /* | |
| 157 * md-specific cpu structure field | |
| 158 */ | |
| 159 #define _PR_MD_MAX_OSFD FD_SETSIZE | |
| 160 | |
| 161 struct _MDCPU_Unix { | |
| 162 PRCList ioQ; | |
| 163 PRUint32 ioq_timeout; | |
| 164 PRInt32 ioq_max_osfd; | |
| 165 PRInt32 ioq_osfd_cnt; | |
| 166 #ifndef _PR_USE_POLL | |
| 167 fd_set fd_read_set, fd_write_set, fd_exception_set; | |
| 168 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], | |
| 169 fd_exception_cnt[_PR_MD_MAX_OSFD]; | |
| 170 #else | |
| 171 struct pollfd *ioq_pollfds; | |
| 172 int ioq_pollfds_size; | |
| 173 #endif /* _PR_USE_POLL */ | |
| 174 }; | |
| 175 | |
| 176 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) | |
| 177 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) | |
| 178 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) | |
| 179 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) | |
| 180 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) | |
| 181 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) | |
| 182 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) | |
| 183 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) | |
| 184 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) | |
| 185 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) | |
| 186 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) | |
| 187 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) | |
| 188 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) | |
| 189 | |
| 190 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 | |
| 191 | |
| 192 struct _MDCPU { | |
| 193 struct _MDCPU_Unix md_unix; | |
| 194 }; | |
| 195 | |
| 196 #if !defined(_PR_PTHREADS) | |
| 197 #define _MD_INIT_LOCKS() | |
| 198 #endif | |
| 199 | |
| 200 #define _MD_NEW_LOCK(lock) PR_SUCCESS | |
| 201 #define _MD_FREE_LOCK(lock) | |
| 202 #define _MD_LOCK(lock) | |
| 203 #define _MD_UNLOCK(lock) | |
| 204 #define _MD_INIT_IO() | |
| 205 #define _MD_IOQ_LOCK() | |
| 206 #define _MD_IOQ_UNLOCK() | |
| 207 | |
| 208 #define _MD_EARLY_INIT _MD_EarlyInit | |
| 209 #define _MD_FINAL_INIT _PR_UnixInit | |
| 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) | |
| 214 #define _MD_RESUME_THREAD(thread) | |
| 215 #define _MD_CLEAN_THREAD(_thread) | |
| 216 #endif /* PTHREADS_USER */ | |
| 217 | |
| 218 #ifdef AIX_RENAME_SELECT | |
| 219 #define _MD_SELECT select | |
| 220 #define _MD_POLL poll | |
| 221 #endif | |
| 222 | |
| 223 extern void _MD_aix_map_sendfile_error(int err); | |
| 224 | |
| 225 #endif /* nspr_aix_defs_h___ */ |
