| 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_scoos5_defs_h___
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| 39 | #define nspr_scoos5_defs_h___
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| 40 |
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| 41 | /*
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| 42 | * Internal configuration macros
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| 43 | */
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| 44 |
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| 45 | #define PR_LINKER_ARCH "scoos5"
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| 46 | #define PR_DLL_SUFFIX ".so"
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| 47 |
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| 48 | #define _PR_SI_SYSNAME "SCO"
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| 49 | #define _PR_SI_ARCHITECTURE "x86"
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| 50 | #define _PR_STACK_VMBASE 0x50000000
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| 51 |
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| 52 | #define _MD_DEFAULT_STACK_SIZE 65536L
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| 53 | #define _MD_MMAP_FLAGS MAP_PRIVATE
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| 54 |
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| 55 | #undef HAVE_STACK_GROWING_UP
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| 56 | #define HAVE_DLL
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| 57 | #define USE_DLFCN
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| 58 |
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| 59 | #if !defined (HAVE_STRERROR)
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| 60 | #define HAVE_STRERROR
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| 61 | #endif
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| 62 |
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| 63 | #ifndef HAVE_WEAK_IO_SYMBOLS
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| 64 | #define HAVE_WEAK_IO_SYMBOLS
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| 65 | #endif
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| 66 |
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| 67 | #define _PR_POLL_AVAILABLE
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| 68 | #define _PR_USE_POLL
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| 69 | #define _PR_NO_LARGE_FILES
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| 70 | #define _PR_STAT_HAS_ONLY_ST_ATIME
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| 71 |
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| 72 | #define NEED_STRFTIME_LOCK
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| 73 | #define NEED_TIME_R
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| 74 | #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */
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| 75 |
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| 76 | #define USE_SETJMP
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| 77 |
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| 78 | #ifdef _PR_LOCAL_THREADS_ONLY
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| 79 | #include <setjmp.h>
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| 80 |
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| 81 | #define _MD_GET_SP(_t) (_t)->md.jb[4]
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| 82 | #define PR_NUM_GCREGS _SIGJBLEN
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| 83 | #define PR_CONTEXT_TYPE sigjmp_buf
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| 84 |
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| 85 | #define CONTEXT(_th) ((_th)->md.jb)
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| 86 |
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| 87 | #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
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| 88 | { \
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| 89 | *status = PR_TRUE; \
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| 90 | if (sigsetjmp(CONTEXT(_thread),1)) { \
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| 91 | (*_main)(); \
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| 92 | } \
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| 93 | _MD_GET_SP(_thread) = (int) ((_sp) - 64); \
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| 94 | }
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| 95 |
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| 96 | #define _MD_SWITCH_CONTEXT(_thread) \
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| 97 | if (!sigsetjmp(CONTEXT(_thread), 1)) { \
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| 98 | (_thread)->md.errcode = errno; \
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| 99 | _PR_Schedule(); \
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| 100 | }
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| 101 |
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| 102 | /*
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| 103 | ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
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| 104 | */
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| 105 | #define _MD_RESTORE_CONTEXT(_thread) \
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| 106 | { \
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| 107 | errno = (_thread)->osErrorCode; \
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| 108 | _MD_SET_CURRENT_THREAD(_thread); \
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| 109 | siglongjmp(CONTEXT(_thread), 1); \
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| 110 | }
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| 111 |
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| 112 | #endif /* _PR_LOCAL_THREADS_ONLY */
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| 113 |
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| 114 | struct _MDThread {
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| 115 | jmp_buf jb;
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| 116 | int id;
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| 117 | int errcode;
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| 118 | };
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| 119 |
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| 120 | struct _MDThreadStack {
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| 121 | PRInt8 notused;
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| 122 | };
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| 123 |
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| 124 | struct _MDLock {
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| 125 | PRInt8 notused;
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| 126 | };
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| 127 |
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| 128 | struct _MDSemaphore {
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| 129 | PRInt8 notused;
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| 130 | };
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| 131 |
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| 132 | struct _MDCVar {
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| 133 | PRInt8 notused;
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| 134 | };
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| 135 |
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| 136 | struct _MDSegment {
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| 137 | PRInt8 notused;
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| 138 | };
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| 139 |
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| 140 | /*
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| 141 | * md-specific cpu structure field
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| 142 | */
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| 143 | #define _PR_MD_MAX_OSFD FD_SETSIZE
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| 144 |
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| 145 | struct _MDCPU_Unix {
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| 146 | PRCList ioQ;
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| 147 | PRUint32 ioq_timeout;
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| 148 | PRInt32 ioq_max_osfd;
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| 149 | PRInt32 ioq_osfd_cnt;
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| 150 | #ifndef _PR_USE_POLL
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| 151 | fd_set fd_read_set, fd_write_set, fd_exception_set;
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| 152 | PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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| 153 | fd_exception_cnt[_PR_MD_MAX_OSFD];
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| 154 | #else
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| 155 | struct pollfd *ioq_pollfds;
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| 156 | int ioq_pollfds_size;
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| 157 | #endif /* _PR_USE_POLL */
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| 158 | };
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| 159 |
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| 160 | #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
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| 161 | #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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| 162 | #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
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| 163 | #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
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| 164 | #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
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| 165 | #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
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| 166 | #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
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| 167 | #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
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| 168 | #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
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| 169 | #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
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| 170 | #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
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| 171 | #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
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| 172 | #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
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| 173 |
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| 174 | #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
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| 175 |
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| 176 | struct _MDCPU {
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| 177 | struct _MDCPU_Unix md_unix;
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| 178 | };
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| 179 |
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| 180 | #define _MD_INIT_LOCKS()
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| 181 | #define _MD_NEW_LOCK(lock) PR_SUCCESS
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| 182 | #define _MD_FREE_LOCK(lock)
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| 183 | #define _MD_LOCK(lock)
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| 184 | #define _MD_UNLOCK(lock)
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| 185 | #define _MD_INIT_IO()
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| 186 | #define _MD_IOQ_LOCK()
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| 187 | #define _MD_IOQ_UNLOCK()
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| 188 |
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| 189 | #define _MD_EARLY_INIT _MD_EarlyInit
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| 190 | #define _MD_FINAL_INIT _PR_UnixInit
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| 191 | #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
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| 192 | #define _MD_INIT_THREAD _MD_InitializeThread
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| 193 | #define _MD_EXIT_THREAD(thread)
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| 194 | #define _MD_SUSPEND_THREAD(thread)
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| 195 | #define _MD_RESUME_THREAD(thread)
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| 196 | #define _MD_CLEAN_THREAD(_thread)
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| 197 |
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| 198 | #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
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| 199 | #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
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| 200 |
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| 201 | #define _MD_SELECT _select
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| 202 | #define _MD_POLL _poll
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| 203 |
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| 204 | #endif /* nspr_scoos5_defs_h___ */
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