gecko/nsprpub/pr/include/md/_hpux.h

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2008-06-06 05:36:51 -07:00
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nspr_xhppa_defs_h___
#define nspr_xhppa_defs_h___
/*
* Internal configuration macros
*/
#define PR_LINKER_ARCH "hpux"
#define _PR_SI_SYSNAME "HPUX"
#ifdef __ia64
#define _PR_SI_ARCHITECTURE "ia64"
#define PR_DLL_SUFFIX ".so"
#else
/*
* _PR_SI_ARCHITECTURE must be "hppa1.1" for backward compatibility.
* It was changed to "hppa" in NSPR 4.6.2, but was changed back in
* NSPR 4.6.4.
*/
#define _PR_SI_ARCHITECTURE "hppa1.1"
#define PR_DLL_SUFFIX ".sl"
#endif
#define _PR_VMBASE 0x30000000
#define _PR_STACK_VMBASE 0x50000000
/*
* _USE_BIG_FDS increases the size of fd_set from 256 bytes to
* about 7500 bytes. PR_Poll allocates three fd_sets on the
* stack, so it is safer to also increase the default thread
* stack size.
*/
#define _MD_DEFAULT_STACK_SIZE (2*65536L)
#define _MD_MINIMUM_STACK_SIZE (2*65536L)
#define _MD_MMAP_FLAGS MAP_PRIVATE
#define NEED_TIME_R
#define HAVE_STACK_GROWING_UP
#undef HAVE_WEAK_IO_SYMBOLS
#undef HAVE_WEAK_MALLOC_SYMBOLS
#define HAVE_DLL
#ifdef IS_64
#define USE_DLFCN
#else
#define USE_HPSHL
#endif
#ifndef HAVE_STRERROR
#define HAVE_STRERROR
#endif
#define _PR_POLL_AVAILABLE
#define _PR_USE_POLL
#define _PR_STAT_HAS_ONLY_ST_ATIME
#define _PR_HAVE_POSIX_SEMAPHORES
#define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
#define _PR_ACCEPT_INHERIT_NONBLOCK
#if defined(__ia64)
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_ia64_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT _PR_ia64_AtomicIncrement
extern PRInt32 _PR_ia64_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT _PR_ia64_AtomicDecrement
extern PRInt32 _PR_ia64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD _PR_ia64_AtomicAdd
extern PRInt32 _PR_ia64_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET _PR_ia64_AtomicSet
#endif
#define _PR_HAVE_GETIPNODEBYNAME
#define _PR_HAVE_GETIPNODEBYADDR
#define _PR_HAVE_GETADDRINFO
#ifdef _PR_INET6
#define _PR_HAVE_INET_NTOP
#else
#define _PR_INET6_PROBE
#define _PR_HAVE_MD_SOCKADDR_IN6
/* isomorphic to struct in6_addr on HP-UX B.11.23 */
struct _md_in6_addr {
union {
PRUint8 _S6_u8[16];
PRUint16 _S6_u16[8];
PRUint32 _S6_u32[4];
PRUint32 __S6_align;
} _s6_un;
};
/* isomorphic to struct sockaddr_in6 on HP-UX B.11.23 */
struct _md_sockaddr_in6 {
PRUint16 sin6_family;
PRUint16 sin6_port;
PRUint32 sin6_flowinfo;
struct _md_in6_addr sin6_addr;
PRUint32 sin6_scope_id;
};
#endif
#if !defined(_PR_PTHREADS)
#include <syscall.h>
#include <setjmp.h>
#define USE_SETJMP
#define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1))
#define PR_NUM_GCREGS _JBLEN
/* Caveat: This makes jmp_buf full of doubles. */
#define CONTEXT(_th) ((_th)->md.jb)
/* Stack needs two frames (64 bytes) at the bottom */ \
#define _MD_SET_THR_SP(_t, _sp) ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2))
#define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th))
#define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1)
#if !defined(PTHREADS_USER)
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
{ \
*(status) = PR_TRUE; \
if (_setjmp(CONTEXT(_thread))) (*_main)(); \
/* Stack needs two frames (64 bytes) at the bottom */ \
(_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \
}
#define _MD_SWITCH_CONTEXT(_thread) \
if (!_setjmp(CONTEXT(_thread))) { \
(_thread)->md.errcode = errno; \
_PR_Schedule(); \
}
/*
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
*/
#define _MD_RESTORE_CONTEXT(_thread) \
{ \
errno = (_thread)->md.errcode; \
_MD_SET_CURRENT_THREAD(_thread); \
_longjmp(CONTEXT(_thread), 1); \
}
/* Machine-dependent (MD) data structures. HP-UX has no native threads. */
struct _MDThread {
jmp_buf jb;
int id;
int errcode;
};
struct _MDThreadStack {
PRInt8 notused;
};
struct _MDLock {
PRInt8 notused;
};
struct _MDSemaphore {
PRInt8 notused;
};
struct _MDCVar {
PRInt8 notused;
};
struct _MDSegment {
PRInt8 notused;
};
/*
* md-specific cpu structure field
*/
#define _PR_MD_MAX_OSFD FD_SETSIZE
struct _MDCPU_Unix {
PRCList ioQ;
PRUint32 ioq_timeout;
PRInt32 ioq_max_osfd;
PRInt32 ioq_osfd_cnt;
#ifndef _PR_USE_POLL
fd_set fd_read_set, fd_write_set, fd_exception_set;
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
fd_exception_cnt[_PR_MD_MAX_OSFD];
#else
struct pollfd *ioq_pollfds;
int ioq_pollfds_size;
#endif /* _PR_USE_POLL */
};
#define _PR_IOQ(_cpu) ((_cpu)->md.md_unix.ioQ)
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.md_unix.fd_read_set)
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.md_unix.fd_read_cnt)
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.md_unix.fd_write_set)
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.md_unix.fd_write_cnt)
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.md_unix.fd_exception_set)
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.md_unix.fd_exception_cnt)
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.md_unix.ioq_timeout)
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.md_unix.ioq_max_osfd)
#define _PR_IOQ_OSFD_CNT(_cpu) ((_cpu)->md.md_unix.ioq_osfd_cnt)
#define _PR_IOQ_POLLFDS(_cpu) ((_cpu)->md.md_unix.ioq_pollfds)
#define _PR_IOQ_POLLFDS_SIZE(_cpu) ((_cpu)->md.md_unix.ioq_pollfds_size)
#define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu) 32
struct _MDCPU {
struct _MDCPU_Unix md_unix;
};
#define _MD_INIT_LOCKS()
#define _MD_NEW_LOCK(lock) PR_SUCCESS
#define _MD_FREE_LOCK(lock)
#define _MD_LOCK(lock)
#define _MD_UNLOCK(lock)
#define _MD_INIT_IO()
#define _MD_IOQ_LOCK()
#define _MD_IOQ_UNLOCK()
#define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
#define _MD_INIT_THREAD _MD_InitializeThread
#define _MD_EXIT_THREAD(thread)
#define _MD_SUSPEND_THREAD(thread) _MD_suspend_thread
#define _MD_RESUME_THREAD(thread) _MD_resume_thread
#define _MD_CLEAN_THREAD(_thread)
#else /* PTHREADS_USER */
#include "_nspr_pthread.h"
#endif /* PTHREADS_USER */
#endif /* !defined(_PR_PTHREADS) */
#if !defined(PTHREADS_USER)
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
#endif
#if defined(HPUX_LW_TIMER)
extern void _PR_HPUX_LW_IntervalInit(void);
extern PRIntervalTime _PR_HPUX_LW_GetInterval(void);
#define _MD_INTERVAL_INIT _PR_HPUX_LW_IntervalInit
#define _MD_GET_INTERVAL _PR_HPUX_LW_GetInterval
#define _MD_INTERVAL_PER_SEC() 1000
#else
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
#endif
/*
* We wrapped the select() call. _MD_SELECT refers to the built-in,
* unwrapped version.
*/
#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
#include <poll.h>
#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
#ifdef HPUX11
extern void _MD_hpux_map_sendfile_error(int err);
#endif /* HPUX11 */
#endif /* nspr_xhppa_defs_h___ */