_aix.h
上传用户:goldcmy89
上传日期:2017-12-03
资源大小:2246k
文件大小:7k
- /* -*- 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_aix_defs_h___
- #define nspr_aix_defs_h___
- #include <sys/types.h>
- #if defined(_PR_PTHREADS) || defined(PTHREADS_USER)
- #include <pthread.h>
- #endif
- /*
- * To pick up fd_set and the poll events.
- */
- #include <sys/select.h>
- #include <sys/poll.h>
- /*
- * Internal configuration macros
- */
- #define PR_LINKER_ARCH "aix"
- #define _PR_SI_SYSNAME "AIX"
- #define _PR_SI_ARCHITECTURE "rs6000"
- #define PR_DLL_SUFFIX ".so"
- #define _PR_VMBASE 0x30000000
- #define _PR_STACK_VMBASE 0x50000000
- #define _MD_DEFAULT_STACK_SIZE (2*65536L)
- #define _MD_MINIMUM_STACK_SIZE (2*65536L)
- #define _MD_MMAP_FLAGS MAP_PRIVATE
- #define NEED_TIME_R
- #undef HAVE_STACK_GROWING_UP
- #undef HAVE_WEAK_IO_SYMBOLS
- #undef HAVE_WEAK_MALLOC_SYMBOLS
- #define HAVE_DLL
- #define USE_DLFCN
- #define _PR_HAVE_SOCKADDR_LEN
- #define _PR_POLL_AVAILABLE
- #define _PR_USE_POLL
- #define _PR_STAT_HAS_ONLY_ST_ATIME
- #ifdef _PR_INET6
- #define _PR_HAVE_INET_NTOP
- #define _PR_HAVE_GETHOSTBYNAME2
- #define _PR_HAVE_GETADDRINFO
- #endif
- #define _PR_HAVE_SYSV_SEMAPHORES
- #define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
- #define _PR_ACCEPT_INHERIT_NONBLOCK
- /* Timer operations */
- #if defined(AIX_TIMERS)
- extern PRIntervalTime _MD_AixGetInterval(void);
- #define _MD_GET_INTERVAL _MD_AixGetInterval
- extern PRIntervalTime _MD_AixIntervalPerSec(void);
- #define _MD_INTERVAL_PER_SEC _MD_AixIntervalPerSec
- #else /* defined(AIX_TIMERS) */
- #define _MD_GET_INTERVAL _PR_UNIX_GetInterval
- #define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
- #endif /* defined(AIX_TIMERS) */
- #ifdef AIX_HAVE_ATOMIC_OP_H
- /* The atomic operations */
- #include <sys/atomic_op.h>
- #define _PR_HAVE_ATOMIC_OPS
- #ifndef IS_64
- #define _PR_HAVE_ATOMIC_CAS
- #endif
- #define _MD_INIT_ATOMIC()
- #define _MD_ATOMIC_INCREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, 1) + 1)
- #define _MD_ATOMIC_ADD(ptr, val) ((PRInt32)fetch_and_add((atomic_p)ptr, val) + val)
- #define _MD_ATOMIC_DECREMENT(val) ((PRInt32)fetch_and_add((atomic_p)val, -1) - 1)
- #define _MD_ATOMIC_SET(val, newval) _AIX_AtomicSet(val, newval)
- #endif /* AIX_HAVE_ATOMIC_OP_H */
- #define USE_SETJMP
- #include <setjmp.h>
- #define _MD_GET_SP(_t) (_t)->md.jb[3]
- #define _MD_SET_THR_SP(_t, _sp) ((_t)->md.jb[3] = (int) (_sp - 2 * 64))
- #define PR_NUM_GCREGS _JBLEN
- #define CONTEXT(_th) ((_th)->md.jb)
- #define SAVE_CONTEXT(_th) _setjmp(CONTEXT(_th))
- #define GOTO_CONTEXT(_th) _longjmp(CONTEXT(_th), 1)
- #ifdef PTHREADS_USER
- #include "_nspr_pthread.h"
- #else
- /*
- ** Initialize the thread context preparing it to execute _main.
- */
- #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)
- PR_BEGIN_MACRO
- *status = PR_TRUE;
- if (setjmp(CONTEXT(_thread))) {
- (*_main)();
- }
- _MD_GET_SP(_thread) = (int) (_sp - 2 * 64);
- PR_END_MACRO
- #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 */
- 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;
- };
- #if !defined(_PR_PTHREADS)
- #define _MD_INIT_LOCKS()
- #endif
- #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_EARLY_INIT _MD_EarlyInit
- #define _MD_FINAL_INIT _PR_UnixInit
- #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)
- #define _MD_RESUME_THREAD(thread)
- #define _MD_CLEAN_THREAD(_thread)
- #endif /* PTHREADS_USER */
- #ifdef AIX_RENAME_SELECT
- #define _MD_SELECT select
- #define _MD_POLL poll
- #endif
- extern void _MD_aix_map_sendfile_error(int err);
- #endif /* nspr_aix_defs_h___ */