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

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2008-06-06 05:36:51 -07:00
/* -*- 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_bsdi_defs_h___
#define nspr_bsdi_defs_h___
/*
* Internal configuration macros
*/
#include <sys/param.h> /* for _BSDI_VERSION */
#define PR_LINKER_ARCH "bsdi"
#define _PR_SI_SYSNAME "BSDI"
#if defined(__i386__)
#define _PR_SI_ARCHITECTURE "x86"
#elif defined(__sparc__)
#define _PR_SI_ARCHITECTURE "sparc"
#else
#error "Unknown CPU architecture"
#endif
#define PR_DLL_SUFFIX ".so"
#define _PR_STACK_VMBASE 0x50000000
#define _MD_DEFAULT_STACK_SIZE 65536L
#define _MD_MMAP_FLAGS MAP_PRIVATE
#define HAVE_BSD_FLOCK
#define NEED_TIME_R
#define _PR_HAVE_SOCKADDR_LEN
#define _PR_NO_LARGE_FILES
#define USE_SETJMP
/* BSD/OS 4.3 and newer all have IPv6 support */
#if _BSDI_VERSION >= 200105
#define _PR_INET6
#define _PR_HAVE_INET_NTOP
#define _PR_HAVE_GETIPNODEBYNAME
#define _PR_HAVE_GETIPNODEBYADDR
#define _PR_HAVE_GETADDRINFO
#define _PR_INET6_PROBE
#endif
#ifndef _PR_PTHREADS
#include <setjmp.h>
#if defined(_PR_BSDI_JMPBUF_IS_ARRAY)
#define _MD_GET_SP(_t) (_t)->md.context[2]
#elif defined(_PR_BSDI_JMPBUF_IS_STRUCT)
#define _MD_GET_SP(_t) (_t)->md.context[0].jb_esp
#else
#error "Unknown BSDI jmp_buf type"
#endif
#define PR_NUM_GCREGS _JBLEN
#define PR_CONTEXT_TYPE jmp_buf
#define CONTEXT(_th) ((_th)->md.context)
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
{ \
*status = PR_TRUE; \
if (setjmp(CONTEXT(_thread))) { \
_main(); \
} \
_MD_GET_SP(_thread) = (int) (_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()
#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_CLEAN_THREAD(_thread)
#endif /* ! _PR_PTHREADS */
#define _MD_EARLY_INIT _MD_EarlyInit
#define _MD_FINAL_INIT _PR_UnixInit
#include <sys/syscall.h>
#define _MD_SELECT(nfds,r,w,e,tv) syscall(SYS_select,nfds,r,w,e,tv)
#define _MD_GET_INTERVAL _PR_UNIX_GetInterval
#define _MD_INTERVAL_PER_SEC _PR_UNIX_TicksPerSecond
#endif /* nspr_bsdi_defs_h___ */