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_unixware_defs_h___ 36 #define nspr_unixware_defs_h___ 37 38 /* 39 * Internal configuration macros 40 */ 41 42 #define PR_LINKER_ARCH "ncr" 43 #define _PR_SI_SYSNAME "NCR" 44 #define _PR_SI_ARCHITECTURE "x86" 45 #define PR_DLL_SUFFIX ".so" 46 47 #define _PR_VMBASE 0x30000000 48 #define _PR_STACK_VMBASE 0x50000000 49 #define _MD_DEFAULT_STACK_SIZE 65536L 50 #define _MD_MMAP_FLAGS MAP_PRIVATE 51 52 #define HAVE_DLL 53 #define USE_DLFCN 54 #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */ 55 56 #if !defined (HAVE_STRERROR) 57 #define HAVE_STRERROR 58 #endif 59 60 #ifndef HAVE_WEAK_IO_SYMBOLS 61 #define HAVE_WEAK_IO_SYMBOLS 62 #endif 63 64 #define _PR_POLL_AVAILABLE 65 #define _PR_USE_POLL 66 #define _PR_NO_LARGE_FILES 67 68 #undef HAVE_STACK_GROWING_UP 69 #define HAVE_NETCONFIG 70 #define NEED_STRFTIME_LOCK 71 #define NEED_TIME_R 72 #define NEED_LOCALTIME_R 73 #define NEED_GMTIME_R 74 #define NEED_ASCTIME_R 75 #define NEED_STRTOK_R 76 #define NEED_CTIME_R 77 #define _PR_NEED_STRCASECMP 78 79 #define USE_SETJMP 80 81 #include <setjmp.h> 82 83 #define _SETJMP setjmp 84 #define _LONGJMP longjmp 85 #define _PR_CONTEXT_TYPE jmp_buf 86 #define _MD_GET_SP(_t) (_t)->md.context[4] 87 #define _PR_NUM_GCREGS _JBLEN 88 89 #define CONTEXT(_th) ((_th)->md.context) 90 91 /* 92 ** Initialize the thread context preparing it to execute _main. 93 */ 94 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 95 { \ 96 *status = PR_TRUE; \ 97 if(_SETJMP(CONTEXT(_thread))) (*_main)(); \ 98 _MD_GET_SP(_thread) = (int) ((_sp) - 128); \ 99 } 100 101 #define _MD_SWITCH_CONTEXT(_thread) \ 102 if (!_SETJMP(CONTEXT(_thread))) { \ 103 (_thread)->md.errcode = errno; \ 104 _PR_Schedule(); \ 105 } 106 107 /* 108 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 109 */ 110 #define _MD_RESTORE_CONTEXT(_thread) \ 111 { \ 112 errno = (_thread)->md.errcode; \ 113 _MD_SET_CURRENT_THREAD(_thread); \ 114 _LONGJMP(CONTEXT(_thread), 1); \ 115 } 116 117 /* Machine-dependent (MD) data structures. 118 * Don't use SVR4 native threads (yet). 119 */ 120 121 struct _MDThread { 122 _PR_CONTEXT_TYPE context; 123 int id; 124 int errcode; 125 }; 126 127 struct _MDThreadStack { 128 PRInt8 notused; 129 }; 130 131 struct _MDLock { 132 PRInt8 notused; 133 }; 134 135 struct _MDSemaphore { 136 PRInt8 notused; 137 }; 138 139 struct _MDCVar { 140 PRInt8 notused; 141 }; 142 143 struct _MDSegment { 144 PRInt8 notused; 145 }; 146 147 /* 148 * md-specific cpu structure field 149 */ 150 #define _PR_MD_MAX_OSFD FD_SETSIZE 151 152 struct _MDCPU_Unix { 153 PRCList ioQ; 154 PRUint32 ioq_timeout; 155 PRInt32 ioq_max_osfd; 156 PRInt32 ioq_osfd_cnt; 157 #ifndef _PR_USE_POLL 158 fd_set fd_read_set, fd_write_set, fd_exception_set; 159 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 160 fd_exception_cnt[_PR_MD_MAX_OSFD]; 161 #else 162 struct pollfd *ioq_pollfds; 163 int ioq_pollfds_size; 164 #endif /* _PR_USE_POLL */ 165 }; 166 167 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 168 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 169 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 170 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 171 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 172 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 173 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 174 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 175 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 176 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 177 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 178 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 179 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 180 181 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 182 183 struct _MDCPU { 184 struct _MDCPU_Unix md_unix; 185 }; 186 187 #define _MD_INIT_LOCKS() 188 #define _MD_NEW_LOCK(lock) PR_SUCCESS 189 #define _MD_FREE_LOCK(lock) 190 #define _MD_LOCK(lock) 191 #define _MD_UNLOCK(lock) 192 #define _MD_INIT_IO() 193 #define _MD_IOQ_LOCK() 194 #define _MD_IOQ_UNLOCK() 195 196 /* 197 * The following are copied from _sunos.h, _aix.h. This means 198 * some of them should probably be moved into _unixos.h. But 199 * _irix.h seems to be quite different in regard to these macros. 200 */ 201 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 202 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 203 204 #define _MD_EARLY_INIT _MD_EarlyInit 205 #define _MD_FINAL_INIT _PR_UnixInit 206 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 207 #define _MD_INIT_THREAD _MD_InitializeThread 208 #define _MD_EXIT_THREAD(thread) 209 #define _MD_SUSPEND_THREAD(thread) 210 #define _MD_RESUME_THREAD(thread) 211 #define _MD_CLEAN_THREAD(_thread) 212 213 /* 214 * We wrapped the select() call. _MD_SELECT refers to the built-in, 215 * unwrapped version. 216 */ 217 #include <sys/time.h> 218 #include <sys/types.h> 219 #include <sys/select.h> 220 extern int _select(int nfds, fd_set *readfds, fd_set *writefds, 221 fd_set *execptfds, struct timeval *timeout); 222 #define _MD_SELECT _select 223 224 #define _MD_POLL _poll 225 extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout); 226 227 #endif /* nspr_ncr_defs_h */ 228
