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) 1999-2000 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_nto_defs_h___ 36 #define nspr_nto_defs_h___ 37 38 /* 39 ** Internal configuration macros 40 */ 41 #define PR_LINKER_ARCH "nto" 42 #define _PR_SI_SYSNAME "NTO" 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_MINIMUM_STACK_SIZE 131072L 50 #define _MD_MMAP_FLAGS MAP_PRIVATE 51 52 #ifndef HAVE_WEAK_IO_SYMBOLS 53 #define HAVE_WEAK_IO_SYMBOLS 54 #endif 55 56 #undef _PR_POLL_AVAILABLE 57 #undef _PR_USE_POLL 58 #define _PR_HAVE_SOCKADDR_LEN 59 #undef HAVE_BSD_FLOCK 60 #define HAVE_FCNTL_FILE_LOCKING 61 #define _PR_NO_LARGE_FILES 62 #define _PR_STAT_HAS_ONLY_ST_ATIME 63 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY 64 #define _PR_HAVE_POSIX_SEMAPHORES 65 66 #undef FD_SETSIZE 67 #define FD_SETSIZE 4096 68 #include <sys/time.h> 69 #include <sys/types.h> 70 #include <sys/select.h> 71 72 #undef HAVE_STACK_GROWING_UP 73 #define HAVE_DLL 74 #define USE_DLFCN 75 #define NEED_STRFTIME_LOCK 76 #define NEED_TIME_R 77 #define _PR_NEED_STRCASECMP 78 79 #ifndef HAVE_STRERROR 80 #define HAVE_STRERROR 81 #endif 82 83 #define USE_SETJMP 84 85 #include <setjmp.h> 86 87 #define _SETJMP setjmp 88 #define _LONGJMP longjmp 89 #define _PR_CONTEXT_TYPE jmp_buf 90 #define _PR_NUM_GCREGS _JBLEN 91 #define _MD_GET_SP(_t) (_t)->md.context[7] 92 93 #define CONTEXT(_th) ((_th)->md.context) 94 95 96 /* 97 ** Initialize the thread context preparing it to execute _main. 98 */ 99 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 100 { \ 101 *status = PR_TRUE; \ 102 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ 103 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ 104 } 105 106 #define _MD_SWITCH_CONTEXT(_thread) \ 107 if (!_SETJMP(CONTEXT(_thread))) { \ 108 (_thread)->md.errcode = errno; \ 109 _PR_Schedule(); \ 110 } 111 112 /* 113 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 114 */ 115 #define _MD_RESTORE_CONTEXT(_thread) \ 116 { \ 117 errno = (_thread)->md.errcode; \ 118 _MD_SET_CURRENT_THREAD(_thread); \ 119 _LONGJMP(CONTEXT(_thread), 1); \ 120 } 121 122 /* 123 ** Machine-dependent (MD) data structures. 124 */ 125 struct _MDThread { 126 _PR_CONTEXT_TYPE context; 127 int id; 128 int errcode; 129 }; 130 131 struct _MDThreadStack { 132 PRInt8 notused; 133 }; 134 135 struct _MDLock { 136 PRInt8 notused; 137 }; 138 139 struct _MDSemaphore { 140 PRInt8 notused; 141 }; 142 143 struct _MDCVar { 144 PRInt8 notused; 145 }; 146 147 struct _MDSegment { 148 PRInt8 notused; 149 }; 150 151 /* 152 ** md-specific cpu structure field 153 */ 154 #define _PR_MD_MAX_OSFD FD_SETSIZE 155 156 struct _MDCPU_Unix { 157 PRCList ioQ; 158 PRUint32 ioq_timeout; 159 PRInt32 ioq_max_osfd; 160 PRInt32 ioq_osfd_cnt; 161 #ifndef _PR_USE_POLL 162 fd_set fd_read_set, fd_write_set, fd_exception_set; 163 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD]; 164 #else 165 struct pollfd *ioq_pollfds; 166 int ioq_pollfds_size; 167 #endif 168 }; 169 170 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 171 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 172 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 173 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 174 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 175 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 176 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 177 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 178 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 179 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 180 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 181 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 182 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 183 184 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 185 186 struct _MDCPU { 187 struct _MDCPU_Unix md_unix; 188 }; 189 190 #define _MD_INIT_LOCKS() 191 #define _MD_NEW_LOCK(lock) PR_SUCCESS 192 #define _MD_FREE_LOCK(lock) 193 #define _MD_LOCK(lock) 194 #define _MD_UNLOCK(lock) 195 #define _MD_INIT_IO() 196 #define _MD_IOQ_LOCK() 197 #define _MD_IOQ_UNLOCK() 198 199 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 200 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 201 #define _MD_EARLY_INIT _MD_EarlyInit 202 #define _MD_FINAL_INIT _PR_UnixInit 203 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 204 #define _MD_INIT_THREAD _MD_InitializeThread 205 #define _MD_EXIT_THREAD(thread) 206 #define _MD_SUSPEND_THREAD(thread) 207 #define _MD_RESUME_THREAD(thread) 208 #define _MD_CLEAN_THREAD(_thread) 209 210 /* 211 ** We wrapped the select() call. _MD_SELECT refers to the built-in, 212 ** unwrapped version. 213 */ 214 #define _MD_SELECT select 215 216 #define SA_RESTART 0 217 218 #endif /* nspr_nto_defs_h___ */ 219
