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 */ 116 struct _MDThread { 117 _PR_CONTEXT_TYPE context; 118 int id; 119 int errcode; 120 }; 121 122 struct _MDThreadStack { 123 PRInt8 notused; 124 }; 125 126 struct _MDLock { 127 PRInt8 notused; 128 }; 129 130 struct _MDSemaphore { 131 PRInt8 notused; 132 }; 133 134 struct _MDCVar { 135 PRInt8 notused; 136 }; 137 138 struct _MDSegment { 139 PRInt8 notused; 140 }; 141 142 /* 143 ** md-specific cpu structure field 144 */ 145 #define _PR_MD_MAX_OSFD FD_SETSIZE 146 147 struct _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) 32 176 177 struct _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
