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_bsdi_defs_h___ 36 #define nspr_bsdi_defs_h___ 37 38 /* 39 * Internal configuration macros 40 */ 41 42 #include <sys/param.h> /* for _BSDI_VERSION */ 43 44 #define PR_LINKER_ARCH "bsdi" 45 #define _PR_SI_SYSNAME "BSDI" 46 #if defined(__i386__) 47 #define _PR_SI_ARCHITECTURE "x86" 48 #elif defined(__sparc__) 49 #define _PR_SI_ARCHITECTURE "sparc" 50 #else 51 #error "Unknown CPU architecture" 52 #endif 53 #define PR_DLL_SUFFIX ".so" 54 55 #define _PR_STACK_VMBASE 0x50000000 56 #define _MD_DEFAULT_STACK_SIZE 65536L 57 #define _MD_MMAP_FLAGS MAP_PRIVATE 58 59 #define HAVE_BSD_FLOCK 60 #define NEED_TIME_R 61 #define _PR_HAVE_SOCKADDR_LEN 62 #define _PR_NO_LARGE_FILES 63 64 #define USE_SETJMP 65 66 /* BSD/OS 4.3 and newer all have IPv6 support */ 67 #if _BSDI_VERSION >= 200105 68 #define _PR_INET6 69 #define _PR_HAVE_INET_NTOP 70 #define _PR_HAVE_GETIPNODEBYNAME 71 #define _PR_HAVE_GETIPNODEBYADDR 72 #define _PR_HAVE_GETADDRINFO 73 #define _PR_INET6_PROBE 74 #endif 75 76 #ifndef _PR_PTHREADS 77 78 #include <setjmp.h> 79 80 #if defined(_PR_BSDI_JMPBUF_IS_ARRAY) 81 #define _MD_GET_SP(_t) (_t)->md.context[2] 82 #elif defined(_PR_BSDI_JMPBUF_IS_STRUCT) 83 #define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp 84 #else 85 #error "Unknown BSDI jmp_buf type" 86 #endif 87 88 #define PR_NUM_GCREGS _JBLEN 89 #define PR_CONTEXT_TYPE jmp_buf 90 91 #define CONTEXT(_th) ((_th)->md.context) 92 93 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 94 { \ 95 *status = PR_TRUE; \ 96 if (setjmp(CONTEXT(_thread))) { \ 97 _main(); \ 98 } \ 99 _MD_GET_SP(_thread) = (int) (_sp - 64); \ 100 } 101 102 #define _MD_SWITCH_CONTEXT(_thread) \ 103 if (!setjmp(CONTEXT(_thread))) { \ 104 (_thread)->md.errcode = errno; \ 105 _PR_Schedule(); \ 106 } 107 108 /* 109 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT 110 */ 111 #define _MD_RESTORE_CONTEXT(_thread) \ 112 { \ 113 errno = (_thread)->md.errcode; \ 114 _MD_SET_CURRENT_THREAD(_thread); \ 115 longjmp(CONTEXT(_thread), 1); \ 116 } 117 118 /* Machine-dependent (MD) data structures */ 119 120 struct _MDThread { 121 PR_CONTEXT_TYPE context; 122 int id; 123 int errcode; 124 }; 125 126 struct _MDThreadStack { 127 PRInt8 notused; 128 }; 129 130 struct _MDLock { 131 PRInt8 notused; 132 }; 133 134 struct _MDSemaphore { 135 PRInt8 notused; 136 }; 137 138 struct _MDCVar { 139 PRInt8 notused; 140 }; 141 142 struct _MDSegment { 143 PRInt8 notused; 144 }; 145 146 /* 147 * md-specific cpu structure field 148 */ 149 #define _PR_MD_MAX_OSFD FD_SETSIZE 150 151 struct _MDCPU_Unix { 152 PRCList ioQ; 153 PRUint32 ioq_timeout; 154 PRInt32 ioq_max_osfd; 155 PRInt32 ioq_osfd_cnt; 156 #ifndef _PR_USE_POLL 157 fd_set fd_read_set, fd_write_set, fd_exception_set; 158 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 159 fd_exception_cnt[_PR_MD_MAX_OSFD]; 160 #else 161 struct pollfd *ioq_pollfds; 162 int ioq_pollfds_size; 163 #endif /* _PR_USE_POLL */ 164 }; 165 166 #define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 167 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 168 #define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 169 #define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 170 #define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 171 #define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 172 #define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 173 #define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 174 #define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 175 #define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 176 #define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 177 #define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 178 #define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 179 180 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 181 182 struct _MDCPU { 183 struct _MDCPU_Unix md_unix; 184 }; 185 186 #define _MD_INIT_LOCKS() 187 #define _MD_NEW_LOCK(lock) PR_SUCCESS 188 #define _MD_FREE_LOCK(lock) 189 #define _MD_LOCK(lock) 190 #define _MD_UNLOCK(lock) 191 #define _MD_INIT_IO() 192 #define _MD_IOQ_LOCK() 193 #define _MD_IOQ_UNLOCK() 194 195 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 196 #define _MD_INIT_THREAD _MD_InitializeThread 197 #define _MD_EXIT_THREAD(thread) 198 #define _MD_CLEAN_THREAD(_thread) 199 200 #endif /* ! _PR_PTHREADS */ 201 202 #define _MD_EARLY_INIT _MD_EarlyInit 203 #define _MD_FINAL_INIT _PR_UnixInit 204 205 #include <sys/syscall.h> 206 #define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 207 208 #define _MD_GET_INTERVAL _PR_UNIX_GetInterval 209 #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 210 211 #endif /* nspr_bsdi_defs_h___ */ 212
