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_qnx_defs_h___ 36#define nspr_qnx_defs_h___ 37 38/* 39** Internal configuration macros 40*/ 41#define PR_LINKER_ARCH "qnx" 42#define _PR_SI_SYSNAME "QNX" 43#define _PR_SI_ARCHITECTURE "x86" 44#define PR_DLL_SUFFIX ".so" 45 46#define _PR_VMBASE 0x30000000 47#define _PR_STACK_VMBASE 0x50000000 48#define _MD_DEFAULT_STACK_SIZE 65536L 49#define _MD_MMAP_FLAGS MAP_PRIVATE 50 51#ifndef HAVE_WEAK_IO_SYMBOLS 52#define HAVE_WEAK_IO_SYMBOLS 53#endif 54 55#undef _PR_POLL_AVAILABLE 56#undef _PR_USE_POLL 57#define _PR_HAVE_SOCKADDR_LEN 58#define HAVE_BSD_FLOCK 59#define _PR_NO_LARGE_FILES 60#define _PR_STAT_HAS_ONLY_ST_ATIME 61 62#include <sys/select.h> 63 64#undef HAVE_STACK_GROWING_UP 65#undef HAVE_DLL 66#undef USE_DLFCN 67#define NEED_STRFTIME_LOCK 68#define NEED_TIME_R 69#define _PR_NEED_STRCASECMP 70 71#ifndef HAVE_STRERROR 72#define HAVE_STRERROR 73#endif 74 75#define USE_SETJMP 76 77#include <setjmp.h> 78 79#define _SETJMP setjmp 80#define _LONGJMP longjmp 81#define _PR_CONTEXT_TYPE jmp_buf 82#define _PR_NUM_GCREGS _JBLEN 83#define _MD_GET_SP(_t) (_t)->md.context[7] 84 85#define CONTEXT(_th) ((_th)->md.context) 86 87/* 88** Initialize the thread context preparing it to execute _main. 89*/ 90#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 91{ \ 92 *status = PR_TRUE; \ 93 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ 94 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ 95} 96 97#define _MD_SWITCH_CONTEXT(_thread) \ 98 if (!_SETJMP(CONTEXT(_thread))) { \ 99 (_thread)->md.errcode = errno; \ 100 _PR_Schedule(); \ 101 } 102 103/* 104** Restore a thread context, saved by _MD_SWITCH_CONTEXT 105*/ 106#define _MD_RESTORE_CONTEXT(_thread) \ 107{ \ 108 errno = (_thread)->md.errcode; \ 109 _MD_SET_CURRENT_THREAD(_thread); \ 110 _LONGJMP(CONTEXT(_thread), 1); \ 111} 112 113/* 114** Machine-dependent (MD) data structures. 115*/ 116struct _MDThread { 117 _PR_CONTEXT_TYPE context; 118 int id; 119 int errcode; 120}; 121 122struct _MDThreadStack { 123 PRInt8 notused; 124}; 125 126struct _MDLock { 127 PRInt8 notused; 128}; 129 130struct _MDSemaphore { 131 PRInt8 notused; 132}; 133 134struct _MDCVar { 135 PRInt8 notused; 136}; 137 138struct _MDSegment { 139 PRInt8 notused; 140}; 141 142/* 143** md-specific cpu structure field 144*/ 145#define _PR_MD_MAX_OSFD FD_SETSIZE 146 147struct _MDCPU_Unix { 148 PRCList ioQ; 149 PRUint32 ioq_timeout; 150 PRInt32 ioq_max_osfd; 151 PRInt32 ioq_osfd_cnt; 152#ifndef _PR_USE_POLL 153 fd_set fd_read_set, fd_write_set, fd_exception_set; 154 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD]; 155#else 156 struct pollfd *ioq_pollfds; 157 int ioq_pollfds_size; 158#endif 159}; 160 161#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 162#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 163#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 164#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 165#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 166#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 167#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 168#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 169#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 170#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 171#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 172#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 173#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 174 175#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 176 177struct _MDCPU { 178 struct _MDCPU_Unix md_unix; 179}; 180 181#define _MD_INIT_LOCKS() 182#define _MD_NEW_LOCK(lock) PR_SUCCESS 183#define _MD_FREE_LOCK(lock) 184#define _MD_LOCK(lock) 185#define _MD_UNLOCK(lock) 186#define _MD_INIT_IO() 187#define _MD_IOQ_LOCK() 188#define _MD_IOQ_UNLOCK() 189 190#define _MD_GET_INTERVAL _PR_UNIX_GetInterval 191#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 192#define _MD_EARLY_INIT _MD_EarlyInit 193#define _MD_FINAL_INIT _PR_UnixInit 194#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 195#define _MD_INIT_THREAD _MD_InitializeThread 196#define _MD_EXIT_THREAD(thread) 197#define _MD_SUSPEND_THREAD(thread) 198#define _MD_RESUME_THREAD(thread) 199#define _MD_CLEAN_THREAD(_thread) 200 201/* 202** We wrapped the select() call. _MD_SELECT refers to the built-in, 203** unwrapped version. 204*/ 205#include <sys/time.h> 206#include <sys/types.h> 207#include <sys/select.h> 208#define _MD_SELECT select 209 210#define SA_RESTART 0 211 212#endif /* nspr_qnx_defs_h___ */ 213