mirror of
https://github.com/mozilla/gecko-dev.git
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224 lines
6.2 KiB
C
224 lines
6.2 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nspr_xhppa_defs_h___
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#define nspr_xhppa_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 "hpux"
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#define _PR_SI_SYSNAME "HPUX"
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#define _PR_SI_ARCHITECTURE "hppa1.1"
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#define PR_DLL_SUFFIX ".sl"
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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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#define NEED_TIME_R
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#define HAVE_STACK_GROWING_UP
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#undef HAVE_WEAK_IO_SYMBOLS
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#undef HAVE_WEAK_MALLOC_SYMBOLS
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#define HAVE_DLL
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#define USE_HPSHL
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#ifndef HAVE_STRERROR
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#define HAVE_STRERROR
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#endif
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#define _PR_POLL_AVAILABLE
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#define _PR_USE_POLL
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#define _PR_STAT_HAS_ONLY_ST_ATIME
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#define _PR_HAVE_POSIX_SEMAPHORES
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#define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
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#undef _PR_HAVE_ATOMIC_OPS
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#if !defined(_PR_PTHREADS)
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#include <syscall.h>
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#include <setjmp.h>
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#define USE_SETJMP
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#define _MD_GET_SP(_t) (*((int *)((_t)->md.jb) + 1))
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#define PR_NUM_GCREGS _JBLEN
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/* Caveat: This makes jmp_buf full of doubles. */
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#define CONTEXT(_th) ((_th)->md.jb)
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/* Stack needs two frames (64 bytes) at the bottom */ \
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#define _MD_SET_THR_SP(_t, _sp) ((_MD_GET_SP(_t)) = (int) (_sp + 64 *2))
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#define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th))
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#define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1)
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#if !defined(PTHREADS_USER)
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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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/* Stack needs two frames (64 bytes) at the bottom */ \
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(_MD_GET_SP(_thread)) = (int) ((_sp) + 64*2); \
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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. HP-UX has no native threads. */
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struct _MDThread {
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jmp_buf jb;
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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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#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) _MD_suspend_thread
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#define _MD_RESUME_THREAD(thread) _MD_resume_thread
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#define _MD_CLEAN_THREAD(_thread)
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#else /* PTHREADS_USER */
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#include "_nspr_pthread.h"
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#endif /* PTHREADS_USER */
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#endif /* !defined(_PR_PTHREADS) */
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#if !defined(PTHREADS_USER)
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#define _MD_EARLY_INIT _MD_EarlyInit
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#define _MD_FINAL_INIT _PR_UnixInit
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#endif
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#if defined(HPUX_LW_TIMER)
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extern void _PR_HPUX_LW_IntervalInit(void);
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extern PRIntervalTime _PR_HPUX_LW_GetInterval(void);
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#define _MD_INTERVAL_INIT _PR_HPUX_LW_IntervalInit
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#define _MD_GET_INTERVAL _PR_HPUX_LW_GetInterval
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#define _MD_INTERVAL_PER_SEC() 1000
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#else
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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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#endif
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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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#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
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#include <poll.h>
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#define _MD_POLL(fds,nfds,timeout) syscall(SYS_poll,fds,nfds,timeout)
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#ifdef HPUX11
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extern void _MD_hpux_map_sendfile_error(int err);
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#if !defined(_PR_PTHREADS)
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extern PRInt32 _PR_HPUXTransmitFile(PRFileDesc *sd, PRFileDesc *fd,
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const void *headers, PRInt32 hlen,
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PRTransmitFileFlags flags, PRIntervalTime timeout);
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#endif /* !_PR_PTHREADS */
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#endif /* HPUX11 */
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#endif /* nspr_xhppa_defs_h___ */
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