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gecko/nsprpub/pr/include/md/_aix.h
Benjamin Smedberg 3f46fcee93 Import NSPR 4_7_1_RTM
2008-06-06 08:36:51 -04:00

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/* -*- 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___ */
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