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

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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_darwin_defs_h___
#define nspr_darwin_defs_h___
#include "prthread.h"
#include <sys/syscall.h>
#ifdef XP_MACOSX
#include <AvailabilityMacros.h>
#endif
#define PR_LINKER_ARCH "darwin"
#define _PR_SI_SYSNAME "DARWIN"
#ifdef __i386__
#define _PR_SI_ARCHITECTURE "x86"
#elif defined(__x86_64__)
#define _PR_SI_ARCHITECTURE "x86-64"
#elif defined(__ppc__)
#define _PR_SI_ARCHITECTURE "ppc"
#endif
#define PR_DLL_SUFFIX ".dylib"
#define _PR_VMBASE 0x30000000
#define _PR_STACK_VMBASE 0x50000000
#define _MD_DEFAULT_STACK_SIZE 65536L
#define _MD_MMAP_FLAGS MAP_PRIVATE
#undef HAVE_STACK_GROWING_UP
#define HAVE_DLL
#ifdef __x86_64__
#define USE_DLFCN
#else
#define USE_MACH_DYLD
#endif
#define _PR_HAVE_SOCKADDR_LEN
#define _PR_STAT_HAS_ST_ATIMESPEC
#define _PR_HAVE_LARGE_OFF_T
#define _PR_HAVE_SYSV_SEMAPHORES
#define PR_HAVE_SYSV_NAMED_SHARED_MEMORY
#define _PR_INET6
/*
* I'd prefer to use getipnodebyname and getipnodebyaddr but the
* getipnodebyname(3) man page on Mac OS X 10.2 says they are not
* thread-safe. AI_V4MAPPED|AI_ADDRCONFIG doesn't work either.
*/
#define _PR_HAVE_GETHOSTBYNAME2
#define _PR_HAVE_GETADDRINFO
/*
* On Mac OS X 10.2, gethostbyaddr fails with h_errno=NO_RECOVERY
* if you pass an IPv4-mapped IPv6 address to it.
*/
#define _PR_GHBA_DISALLOW_V4MAPPED
#ifdef XP_MACOSX
#if !defined(MAC_OS_X_VERSION_10_3) || \
MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_3
/*
* socket(AF_INET6) fails with EPROTONOSUPPORT on Mac OS X 10.1.
* IPv6 under OS X 10.2 and below is not complete (see bug 222031).
*/
#define _PR_INET6_PROBE
#endif /* DT < 10.3 */
#if defined(MAC_OS_X_VERSION_10_2) && \
MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_2
/* Mac OS X 10.2 has inet_ntop and inet_pton. */
#define _PR_HAVE_INET_NTOP
#endif /* DT >= 10.2 */
#endif /* XP_MACOSX */
#define _PR_IPV6_V6ONLY_PROBE
/* The IPV6_V6ONLY socket option is not defined on Mac OS X 10.1. */
#ifndef IPV6_V6ONLY
#define IPV6_V6ONLY 27
#endif
#ifdef __ppc__
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_DarwinPPC_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT(val) _PR_DarwinPPC_AtomicIncrement(val)
extern PRInt32 _PR_DarwinPPC_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT(val) _PR_DarwinPPC_AtomicDecrement(val)
extern PRInt32 _PR_DarwinPPC_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET(val, newval) _PR_DarwinPPC_AtomicSet(val, newval)
extern PRInt32 _PR_DarwinPPC_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD(ptr, val) _PR_DarwinPPC_AtomicAdd(ptr, val)
#endif /* __ppc__ */
#ifdef __i386__
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_Darwin_x86_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_AtomicIncrement(val)
extern PRInt32 _PR_Darwin_x86_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_AtomicDecrement(val)
extern PRInt32 _PR_Darwin_x86_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_AtomicSet(val, newval)
extern PRInt32 _PR_Darwin_x86_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_AtomicAdd(ptr, val)
#endif /* __i386__ */
#ifdef __x86_64__
#define _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
extern PRInt32 _PR_Darwin_x86_64_AtomicIncrement(PRInt32 *val);
#define _MD_ATOMIC_INCREMENT(val) _PR_Darwin_x86_64_AtomicIncrement(val)
extern PRInt32 _PR_Darwin_x86_64_AtomicDecrement(PRInt32 *val);
#define _MD_ATOMIC_DECREMENT(val) _PR_Darwin_x86_64_AtomicDecrement(val)
extern PRInt32 _PR_Darwin_x86_64_AtomicSet(PRInt32 *val, PRInt32 newval);
#define _MD_ATOMIC_SET(val, newval) _PR_Darwin_x86_64_AtomicSet(val, newval)
extern PRInt32 _PR_Darwin_x86_64_AtomicAdd(PRInt32 *ptr, PRInt32 val);
#define _MD_ATOMIC_ADD(ptr, val) _PR_Darwin_x86_64_AtomicAdd(ptr, val)
#endif /* __x86_64__ */
#define USE_SETJMP
#if !defined(_PR_PTHREADS)
#include <setjmp.h>
#define PR_CONTEXT_TYPE jmp_buf
#define CONTEXT(_th) ((_th)->md.context)
#define _MD_GET_SP(_th) (((struct sigcontext *) (_th)->md.context)->sc_onstack)
#define PR_NUM_GCREGS _JBLEN
/*
** Initialize a thread context to run "_main()" when started
*/
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
{ \
*status = PR_TRUE; \
if (setjmp(CONTEXT(_thread))) { \
_main(); \
} \
_MD_GET_SP(_thread) = (unsigned char*) ((_sp) - 64); \
}
#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 {
PR_CONTEXT_TYPE context;
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()
extern PRStatus _MD_InitializeThread(PRThread *thread);
#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)
extern PRStatus _MD_CREATE_THREAD(
PRThread *thread,
void (*start) (void *),
PRThreadPriority priority,
PRThreadScope scope,
PRThreadState state,
PRUint32 stackSize);
extern void _MD_SET_PRIORITY(struct _MDThread *thread, PRUintn newPri);
extern PRStatus _MD_WAIT(PRThread *, PRIntervalTime timeout);
extern PRStatus _MD_WAKEUP_WAITER(PRThread *);
extern void _MD_YIELD(void);
#endif /* ! _PR_PTHREADS */
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
extern void _MD_EarlyInit(void);
extern PRIntervalTime _PR_UNIX_GetInterval(void);
extern PRIntervalTime _PR_UNIX_TicksPerSecond(void);
/*
* 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)
/* For writev() */
#include <sys/uio.h>
#endif /* nspr_darwin_defs_h___ */
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