nsprpub/pr/include/md/_unixware.h

Fri, 16 Jan 2015 04:50:19 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Fri, 16 Jan 2015 04:50:19 +0100
branch
TOR_BUG_9701
changeset 13
44a2da4a2ab2
permissions
-rw-r--r--

Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* This Source Code Form is subject to the terms of the Mozilla Public
     3  * License, v. 2.0. If a copy of the MPL was not distributed with this
     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     6 #ifndef nspr_unixware_defs_h___
     7 #define nspr_unixware_defs_h___
     9 /*
    10  * Internal configuration macros
    11  */
    13 #define PR_LINKER_ARCH	"unixware"
    14 #define _PR_SI_SYSNAME		"UnixWare"
    15 #define _PR_SI_ARCHITECTURE	"x86"
    16 #define PR_DLL_SUFFIX		".so"
    18 #define _PR_VMBASE	 	0x30000000
    19 #define _PR_STACK_VMBASE	0x50000000
    20 #define _MD_DEFAULT_STACK_SIZE	65536L
    21 #define _MD_MMAP_FLAGS          MAP_PRIVATE
    23 #ifndef	HAVE_WEAK_IO_SYMBOLS
    24 #define	HAVE_WEAK_IO_SYMBOLS
    25 #endif
    26 #define _PR_POLL_AVAILABLE
    27 #define _PR_USE_POLL
    28 #define _PR_STAT_HAS_ST_ATIM_UNION
    30 #undef  HAVE_STACK_GROWING_UP
    31 #define HAVE_NETCONFIG
    32 #define	HAVE_DLL
    33 #define	USE_DLFCN
    34 #define HAVE_STRERROR
    35 #define NEED_STRFTIME_LOCK
    36 #define NEED_TIME_R
    37 #define _PR_NEED_STRCASECMP
    39 #define USE_SETJMP
    41 #include <setjmp.h>
    43 #define _SETJMP setjmp
    44 #define _LONGJMP longjmp
    45 #define _PR_CONTEXT_TYPE         jmp_buf
    46 #define _MD_GET_SP(_t)           (_t)->md.context[4]
    47 #define _PR_NUM_GCREGS	_JBLEN
    49 #define CONTEXT(_th) ((_th)->md.context)
    51 /*
    52 ** Initialize the thread context preparing it to execute _main.
    53 */
    54 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
    55 {								  \
    56     *status = PR_TRUE; \
    57     if(_SETJMP(CONTEXT(_thread))) (*_main)(); \
    58     _MD_GET_SP(_thread) = (int) ((_sp) - 128); \
    59 }
    61 #define _MD_SWITCH_CONTEXT(_thread)  \
    62     if (!_SETJMP(CONTEXT(_thread))) { \
    63 	(_thread)->md.errcode = errno;  \
    64 	_PR_Schedule();		     \
    65     }
    67 /*
    68 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
    69 */
    70 #define _MD_RESTORE_CONTEXT(_thread) \
    71 {				     \
    72     errno = (_thread)->md.errcode;	     \
    73     _MD_SET_CURRENT_THREAD(_thread); \
    74     _LONGJMP(CONTEXT(_thread), 1);    \
    75 }
    77 /* Machine-dependent (MD) data structures.
    78  * Don't use SVR4 native threads (yet). 
    79  */
    81 struct _MDThread {
    82     _PR_CONTEXT_TYPE context;
    83     int id;
    84     int errcode;
    85 };
    87 struct _MDThreadStack {
    88     PRInt8 notused;
    89 };
    91 struct _MDLock {
    92     PRInt8 notused;
    93 };
    95 struct _MDSemaphore {
    96     PRInt8 notused;
    97 };
    99 struct _MDCVar {
   100     PRInt8 notused;
   101 };
   103 struct _MDSegment {
   104     PRInt8 notused;
   105 };
   107 /*
   108  * md-specific cpu structure field
   109  */
   110 #define _PR_MD_MAX_OSFD FD_SETSIZE
   112 struct _MDCPU_Unix {
   113     PRCList ioQ;
   114     PRUint32 ioq_timeout;
   115     PRInt32 ioq_max_osfd;
   116     PRInt32 ioq_osfd_cnt;
   117 #ifndef _PR_USE_POLL
   118     fd_set fd_read_set, fd_write_set, fd_exception_set;
   119     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
   120 				fd_exception_cnt[_PR_MD_MAX_OSFD];
   121 #else
   122 	struct pollfd *ioq_pollfds;
   123 	int ioq_pollfds_size;
   124 #endif	/* _PR_USE_POLL */
   125 };
   127 #define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)
   128 #define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
   129 #define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)
   130 #define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)
   131 #define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)
   132 #define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)
   133 #define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)
   134 #define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)
   135 #define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)
   136 #define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)
   137 #define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)
   138 #define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)
   139 #define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)
   141 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32
   143 struct _MDCPU {
   144 	struct _MDCPU_Unix md_unix;
   145 };
   147 #define _MD_INIT_LOCKS()
   148 #define _MD_NEW_LOCK(lock) PR_SUCCESS
   149 #define _MD_FREE_LOCK(lock)
   150 #define _MD_LOCK(lock)
   151 #define _MD_UNLOCK(lock)
   152 #define _MD_INIT_IO()
   153 #define _MD_IOQ_LOCK()
   154 #define _MD_IOQ_UNLOCK()
   156 /*
   157  * The following are copied from _sunos.h, _aix.h.  This means
   158  * some of them should probably be moved into _unixos.h.  But
   159  * _irix.h seems to be quite different in regard to these macros.
   160  */
   161 #define _MD_INTERVAL_USE_GTOD
   163 #define _MD_EARLY_INIT		_MD_EarlyInit
   164 #define _MD_FINAL_INIT		_PR_UnixInit
   165 #define _MD_INIT_RUNNING_CPU(cpu) _MD_unix_init_running_cpu(cpu)
   166 #define _MD_INIT_THREAD         _MD_InitializeThread
   167 #define _MD_EXIT_THREAD(thread)
   168 #define	_MD_SUSPEND_THREAD(thread)
   169 #define	_MD_RESUME_THREAD(thread)
   170 #define _MD_CLEAN_THREAD(_thread)
   172 /*
   173  * We wrapped the select() call.  _MD_SELECT refers to the built-in,
   174  * unwrapped version.
   175  */
   176 #include <sys/time.h>
   177 #include <sys/types.h>
   178 #include <sys/select.h>
   179 extern int _select(int nfds, fd_set *readfds, fd_set *writefds,
   180 	fd_set *execptfds, struct timeval *timeout);
   181 #define _MD_SELECT _select
   183 #define _MD_POLL _poll
   184 extern int _poll(struct pollfd *fds, unsigned long nfds, int timeout);
   186 #endif /* nspr_unixware_defs_h___ */

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