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222 lines
6.5 KiB
C
222 lines
6.5 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nspr_dgux_defs_h___
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#define nspr_dgux_defs_h___
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/*
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* Internal configuration macros
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*/
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#define PR_LINKER_ARCH "dgux"
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#define _PR_SI_SYSNAME "DGUX"
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#define _PR_SI_ARCHITECTURE "x86"
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#define PR_DLL_SUFFIX ".so"
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#define _PR_VMBASE 0x30000000
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#define _PR_STACK_VMBASE 0x50000000
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#define _MD_DEFAULT_STACK_SIZE 65536L
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#define _MD_MMAP_FLAGS MAP_PRIVATE
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#ifndef HAVE_WEAK_IO_SYMBOLS
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#define HAVE_WEAK_IO_SYMBOLS
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#endif
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#undef HAVE_STACK_GROWING_UP
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#define HAVE_NETCONFIG
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#define HAVE_DLL
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#define USE_DLFCN
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#define NEED_STRFTIME_LOCK
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#define NEED_TIME_R
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#define _PR_NEED_STRCASECMP
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#define _PR_POLL_AVAILABLE
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#define _PR_USE_POLL
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#define _PR_NO_LARGE_FILES
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#define _PR_STAT_HAS_ONLY_ST_ATIME
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#define USE_SETJMP
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#include <setjmp.h>
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#define _SETJMP setjmp
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#define _LONGJMP longjmp
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#define _PR_CONTEXT_TYPE jmp_buf
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#define _MD_GET_SP(_t) (_t)->md.context[4]
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#define _PR_NUM_GCREGS _JBLEN
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#define CONTEXT(_th) ((_th)->md.context)
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/*
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** Initialize the thread context preparing it to execute _main.
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*/
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#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
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{ \
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*status = PR_TRUE; \
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if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
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_MD_GET_SP(_thread) = (int) ((_sp) - 128); \
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}
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#define _MD_SWITCH_CONTEXT(_thread) \
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if (!_SETJMP(CONTEXT(_thread))) { \
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(_thread)->md.errcode = errno; \
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_PR_Schedule(); \
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}
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/*
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** Restore a thread context, saved by _MD_SWITCH_CONTEXT
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*/
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#define _MD_RESTORE_CONTEXT(_thread) \
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{ \
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errno = (_thread)->md.errcode; \
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_MD_SET_CURRENT_THREAD(_thread); \
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_LONGJMP(CONTEXT(_thread), 1); \
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}
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/* Machine-dependent (MD) data structures.
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* Don't use SVR4 native threads (yet).
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*/
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struct _MDThread {
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_PR_CONTEXT_TYPE context;
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int id;
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int errcode;
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};
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struct _MDThreadStack {
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PRInt8 notused;
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};
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struct _MDLock {
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PRInt8 notused;
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};
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struct _MDSemaphore {
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PRInt8 notused;
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};
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struct _MDCVar {
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PRInt8 notused;
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};
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struct _MDSegment {
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PRInt8 notused;
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};
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/*
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* md-specific cpu structure field
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*/
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#define _PR_MD_MAX_OSFD FD_SETSIZE
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struct _MDCPU_Unix {
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PRCList ioQ;
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PRUint32 ioq_timeout;
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PRInt32 ioq_max_osfd;
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PRInt32 ioq_osfd_cnt;
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#ifndef _PR_USE_POLL
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fd_set fd_read_set, fd_write_set, fd_exception_set;
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PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
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fd_exception_cnt[_PR_MD_MAX_OSFD];
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#else
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struct pollfd *ioq_pollfds;
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int ioq_pollfds_size;
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#endif /* _PR_USE_POLL */
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};
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#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
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#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
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#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
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#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
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#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
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#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
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#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
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#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
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#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
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#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
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#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
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#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
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#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
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#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
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struct _MDCPU {
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struct _MDCPU_Unix md_unix;
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};
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#define _MD_INIT_LOCKS()
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#define _MD_NEW_LOCK(lock) PR_SUCCESS
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#define _MD_FREE_LOCK(lock)
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#define _MD_LOCK(lock)
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#define _MD_UNLOCK(lock)
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#define _MD_INIT_IO()
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#define _MD_IOQ_LOCK()
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#define _MD_IOQ_UNLOCK()
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/*
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* The following are copied from _sunos.h, _aix.h. This means
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* some of them should probably be moved into _unixos.h. But
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* _irix.h seems to be quite different in regard to these macros.
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*/
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#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
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#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
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#define _MD_EARLY_INIT _MD_EarlyInit
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#define _MD_FINAL_INIT _PR_UnixInit
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#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
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#define _MD_INIT_THREAD _MD_InitializeThread
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#define _MD_EXIT_THREAD(thread)
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#define _MD_SUSPEND_THREAD(thread)
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#define _MD_RESUME_THREAD(thread)
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#define _MD_CLEAN_THREAD(_thread)
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/*
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* We wrapped the select() call. _MD_SELECT refers to the built-in,
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* unwrapped version.
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*/
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/time.h>
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extern int _select(int nfds, fd_set *readfds, fd_set *writefds,
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fd_set *execptfds, struct timeval *timeout);
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#define _MD_SELECT _select
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#define _MD_POLL _poll
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#include <poll.h>
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#include <stropts.h>
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extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
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#endif /* nspr_dgux_defs_h___ */
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