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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#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. In AIX 4.2, fd_set is defined in <sys/time.h>,
* which is included by _unixos.h.
*/
#ifdef AIX4_1
#include <sys/select.h>
#include <sys/poll.h>
#endif
/*
* 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 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
/* Timer operations */
#define AIX_TIMERS
#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) */
/* The atomic operations */
#include <sys/atomic_op.h>
#define _PR_HAVE_ATOMIC_OPS
#define _PR_HAVE_ATOMIC_CAS
#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)
#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 AIX4_1
#define _MD_SELECT select
#define _MD_POLL poll
#endif
#endif /* nspr_aix_defs_h___ */
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