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