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_rhapsody_defs_h___ 36#define nspr_rhapsody_defs_h___ 37 38#include "prthread.h" 39 40#include <sys/syscall.h> 41 42#define PR_LINKER_ARCH "rhapsody" 43#define _PR_SI_SYSNAME "RHAPSODY" 44#ifdef i386 45#define _PR_SI_ARCHITECTURE "x86" 46#else 47#define _PR_SI_ARCHITECTURE "ppc" 48#endif 49#define PR_DLL_SUFFIX ".dylib" 50 51#define _PR_VMBASE 0x30000000 52#define _PR_STACK_VMBASE 0x50000000 53#define _MD_DEFAULT_STACK_SIZE 65536L 54#define _MD_MMAP_FLAGS MAP_PRIVATE 55 56#undef HAVE_STACK_GROWING_UP 57#define HAVE_DLL 58#define USE_MACH_DYLD 59#define _PR_HAVE_SOCKADDR_LEN 60#define _PR_STAT_HAS_ST_ATIMESPEC 61#define _PR_NO_LARGE_FILES 62#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY 63 64#define USE_SETJMP 65 66#if !defined(_PR_PTHREADS) 67 68#include <setjmp.h> 69 70#define PR_CONTEXT_TYPE jmp_buf 71 72#define CONTEXT(_th) ((_th)->md.context) 73#define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack) 74#define PR_NUM_GCREGS _JBLEN 75 76/* 77** Initialize a thread context to run "_main()" when started 78*/ 79#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 80{ \ 81 *status = PR_TRUE; \ 82 if (setjmp(CONTEXT(_thread))) { \ 83 _main(); \ 84 } \ 85 _MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \ 86} 87 88#define _MD_SWITCH_CONTEXT(_thread) \ 89 if (!setjmp(CONTEXT(_thread))) { \ 90 (_thread)->md.errcode = errno; \ 91 _PR_Schedule(); \ 92 } 93 94/* 95** Restore a thread context, saved by _MD_SWITCH_CONTEXT 96*/ 97#define _MD_RESTORE_CONTEXT(_thread) \ 98{ \ 99 errno = (_thread)->md.errcode; \ 100 _MD_SET_CURRENT_THREAD(_thread); \ 101 longjmp(CONTEXT(_thread), 1); \ 102} 103 104/* Machine-dependent (MD) data structures */ 105 106struct _MDThread { 107 PR_CONTEXT_TYPE context; 108 int id; 109 int errcode; 110}; 111 112struct _MDThreadStack { 113 PRInt8 notused; 114}; 115 116struct _MDLock { 117 PRInt8 notused; 118}; 119 120struct _MDSemaphore { 121 PRInt8 notused; 122}; 123 124struct _MDCVar { 125 PRInt8 notused; 126}; 127 128struct _MDSegment { 129 PRInt8 notused; 130}; 131 132/* 133 * md-specific cpu structure field 134 */ 135#define _PR_MD_MAX_OSFD FD_SETSIZE 136 137struct _MDCPU_Unix { 138 PRCList ioQ; 139 PRUint32 ioq_timeout; 140 PRInt32 ioq_max_osfd; 141 PRInt32 ioq_osfd_cnt; 142#ifndef _PR_USE_POLL 143 fd_set fd_read_set, fd_write_set, fd_exception_set; 144 PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD], 145 fd_exception_cnt[_PR_MD_MAX_OSFD]; 146#else 147 struct pollfd *ioq_pollfds; 148 int ioq_pollfds_size; 149#endif /* _PR_USE_POLL */ 150}; 151 152#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ) 153#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu)) 154#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set) 155#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt) 156#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set) 157#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt) 158#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set) 159#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt) 160#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout) 161#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd) 162#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt) 163#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds) 164#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size) 165 166#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32 167 168struct _MDCPU { 169 struct _MDCPU_Unix md_unix; 170}; 171 172#define _MD_INIT_LOCKS() 173#define _MD_NEW_LOCK(lock) PR_SUCCESS 174#define _MD_FREE_LOCK(lock) 175#define _MD_LOCK(lock) 176#define _MD_UNLOCK(lock) 177#define _MD_INIT_IO() 178#define _MD_IOQ_LOCK() 179#define _MD_IOQ_UNLOCK() 180 181extern PRStatus _MD_InitializeThread(PRThread *thread); 182 183#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu) 184#define _MD_INIT_THREAD _MD_InitializeThread 185#define _MD_EXIT_THREAD(thread) 186#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread 187#define _MD_RESUME_THREAD(thread) _MD_resume_thread 188#define _MD_CLEAN_THREAD(_thread) 189 190extern PRStatus _MD_CREATE_THREAD( 191 PRThread *thread, 192 void (*start) (void *), 193 PRThreadPriority priority, 194 PRThreadScope scope, 195 PRThreadState state, 196 PRUint32 stackSize); 197extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri); 198extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout); 199extern PRStatus _MD_WAKEUP_WAITER(PRThread *); 200extern void _MD_YIELD(void); 201 202#endif /* ! _PR_PTHREADS */ 203 204#define _MD_EARLY_INIT _MD_EarlyInit 205#define _MD_FINAL_INIT _PR_UnixInit 206#define _MD_GET_INTERVAL _PR_UNIX_GetInterval 207#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond 208 209extern void _MD_EarlyInit(void); 210extern PRIntervalTime _PR_UNIX_GetInterval(void); 211extern PRIntervalTime _PR_UNIX_TicksPerSecond(void); 212 213/* 214 * We wrapped the select() call. _MD_SELECT refers to the built-in, 215 * unwrapped version. 216 */ 217#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv) 218 219/* For writev() */ 220#include <sys/uio.h> 221 222#endif /* nspr_rhapsody_defs_h___ */ 223