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_scoos5_defs_h___ 36 #define nspr_scoos5_defs_h___ 37 38 /* 39 * Internal configuration macros 40 */ 41 42 #define PR_LINKER_ARCH "scoos5" 43 #define PR_DLL_SUFFIX ".so" 44 45 #define _PR_SI_SYSNAME "SCO" 46 #define _PR_SI_ARCHITECTURE "x86" 47 #define _PR_STACK_VMBASE 0x50000000 48 49 #define _MD_DEFAULT_STACK_SIZE 65536L 50 #define _MD_MMAP_FLAGS MAP_PRIVATE 51 52 #undef HAVE_STACK_GROWING_UP 53 #define HAVE_DLL 54 #define USE_DLFCN 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 #define _PR_STAT_HAS_ONLY_ST_ATIME 68 69 #define NEED_STRFTIME_LOCK 70 #define NEED_TIME_R 71 #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */ 72 73 #define USE_SETJMP 74 75 #ifdef _PR_LOCAL_THREADS_ONLY 76 #include <setjmp.h> 77 78 #define _MD_GET_SP(_t) (_t)->md.jb[4] 79 #define PR_NUM_GCREGS _SIGJBLEN 80 #define PR_CONTEXT_TYPE sigjmp_buf 81 82 #define CONTEXT(_th) ((_th)->md.jb) 83 84 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 85 { \ 86 *status = PR_TRUE; \ 87 if (sigsetjmp(CONTEXT(_thread),1)) { \ 88 (*_main)(); \ 89 } \ 90 _MD_GET_SP(_thread) = (int) ((_sp) - 64); \ 91 } 92 93 #define _MD_SWITCH_CONTEXT(_thread) \ 94 if (!sigsetjmp(CONTEXT(_thread), 1)) { \ 95 (_thread)->md.errcode = errno; \ 96 _PR_Schedule(); \ 97 } 98 99 /* 100 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 101 */ 102 #define _MD_RESTORE_CONTEXT(_thread) \ 103 { \ 104 errno = (_thread)->osErrorCode; \ 105 _MD_SET_CURRENT_THREAD(_thread); \ 106 siglongjmp(CONTEXT(_thread), 1); \ 107 } 108 109 #endif /* _PR_LOCAL_THREADS_ONLY */ 110 111 struct _MDThread { 112 jmp_buf jb; 113 int id; 114 int errcode; 115 }; 116 117 struct _MDThreadStack { 118 PRInt8 notused; 119 }; 120 121 struct _MDLock { 122 PRInt8 notused; 123 }; 124 125 struct _MDSemaphore { 126 PRInt8 notused; 127 }; 128 129 struct _MDCVar { 130 PRInt8 notused; 131 }; 132 133 struct _MDSegment { 134 PRInt8 notused; 135 }; 136 137 /* 138 * md-specific cpu structure field 139 */ 140 #define _PR_MD_MAX_OSFD FD_SETSIZE 141 142 struct _MDCPU_Unix { 143 PRCList ioQ; 144 PRUint32 ioq_timeout; 145 PRInt32 ioq_max_osfd; 146 PRInt32 ioq_osfd_cnt; 147 #ifndef _PR_USE_POLL 148 fd_set fd_read_set, fd_write_set, fd_exception_set; 149 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 150 fd_exception_cnt[_PR_MD_MAX_OSFD]; 151 #else 152 struct pollfd *ioq_pollfds; 153 int ioq_pollfds_size; 154 #endif /* _PR_USE_POLL */ 155 }; 156 157 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 158 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 159 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 160 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 161 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 162 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 163 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 164 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 165 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 166 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 167 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 168 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 169 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 170 171 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 172 173 struct _MDCPU { 174 struct _MDCPU_Unix md_unix; 175 }; 176 177 #define _MD_INIT_LOCKS() 178 #define _MD_NEW_LOCK(lock) PR_SUCCESS 179 #define _MD_FREE_LOCK(lock) 180 #define _MD_LOCK(lock) 181 #define _MD_UNLOCK(lock) 182 #define _MD_INIT_IO() 183 #define _MD_IOQ_LOCK() 184 #define _MD_IOQ_UNLOCK() 185 186 #define _MD_EARLY_INIT _MD_EarlyInit 187 #define _MD_FINAL_INIT _PR_UnixInit 188 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 189 #define _MD_INIT_THREAD _MD_InitializeThread 190 #define _MD_EXIT_THREAD(thread) 191 #define _MD_SUSPEND_THREAD(thread) 192 #define _MD_RESUME_THREAD(thread) 193 #define _MD_CLEAN_THREAD(_thread) 194 195 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 196 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 197 198 #define _MD_SELECT _select 199 #define _MD_POLL _poll 200 201 #endif /* nspr_scoos5_defs_h___ */ 202
