nsprpub/pr/include/md/_nto.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_nto_defs_h___
     7 #define nspr_nto_defs_h___
     9 /*
    10 ** Internal configuration macros
    11 */
    12 #define PR_LINKER_ARCH		"nto"
    13 #define _PR_SI_SYSNAME		"NTO"
    14 #define _PR_SI_ARCHITECTURE	"x86"
    15 #define PR_DLL_SUFFIX		".so"
    17 #define _PR_VMBASE		0x30000000
    18 #define _PR_STACK_VMBASE	0x50000000
    19 #define _MD_DEFAULT_STACK_SIZE	65536L
    20 #define _MD_MINIMUM_STACK_SIZE	131072L
    21 #define _MD_MMAP_FLAGS		MAP_PRIVATE
    23 #ifndef	HAVE_WEAK_IO_SYMBOLS
    24 #define	HAVE_WEAK_IO_SYMBOLS
    25 #endif
    27 #undef  _PR_POLL_AVAILABLE
    28 #undef  _PR_USE_POLL
    29 #define _PR_HAVE_SOCKADDR_LEN
    30 #undef  HAVE_BSD_FLOCK
    31 #define HAVE_FCNTL_FILE_LOCKING
    32 #define _PR_NO_LARGE_FILES
    33 #define _PR_STAT_HAS_ONLY_ST_ATIME
    34 #define PR_HAVE_POSIX_NAMED_SHARED_MEMORY
    35 #define _PR_HAVE_POSIX_SEMAPHORES
    37 #undef FD_SETSIZE
    38 #define FD_SETSIZE	4096
    39 #include <sys/time.h>
    40 #include <sys/types.h>
    41 #include <sys/select.h>
    43 #undef  HAVE_STACK_GROWING_UP
    44 #define	HAVE_DLL
    45 #define	USE_DLFCN
    46 #define NEED_STRFTIME_LOCK
    47 #define NEED_TIME_R
    48 #define _PR_NEED_STRCASECMP
    50 #ifndef HAVE_STRERROR
    51 #define HAVE_STRERROR
    52 #endif
    54 #define USE_SETJMP
    56 #include <setjmp.h>
    58 #define _SETJMP			setjmp
    59 #define _LONGJMP		longjmp
    60 #define _PR_CONTEXT_TYPE	jmp_buf
    61 #define _PR_NUM_GCREGS		_JBLEN
    62 #define _MD_GET_SP(_t)		(_t)->md.context[7]
    64 #define CONTEXT(_th)		((_th)->md.context)
    67 /*
    68 ** Initialize the thread context preparing it to execute _main.
    69 */
    70 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)	\
    71 {							\
    72     *status = PR_TRUE;					\
    73     if(_SETJMP(CONTEXT(_thread))) (*_main)();		\
    74     _MD_GET_SP(_thread) = (int) ((_sp) - 128);		\
    75 }
    77 #define _MD_SWITCH_CONTEXT(_thread)	\
    78     if (!_SETJMP(CONTEXT(_thread))) {	\
    79 	(_thread)->md.errcode = errno;	\
    80 	_PR_Schedule();			\
    81     }
    83 /*
    84 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT
    85 */
    86 #define _MD_RESTORE_CONTEXT(_thread)	\
    87 {					\
    88     errno = (_thread)->md.errcode;	\
    89     _MD_SET_CURRENT_THREAD(_thread);	\
    90     _LONGJMP(CONTEXT(_thread), 1);	\
    91 }
    93 /*
    94 ** Machine-dependent (MD) data structures.
    95 */
    96 struct _MDThread {
    97     _PR_CONTEXT_TYPE context;
    98     int id;
    99     int errcode;
   100 };
   102 struct _MDThreadStack {
   103     PRInt8 notused;
   104 };
   106 struct _MDLock {
   107     PRInt8 notused;
   108 };
   110 struct _MDSemaphore {
   111     PRInt8 notused;
   112 };
   114 struct _MDCVar {
   115     PRInt8 notused;
   116 };
   118 struct _MDSegment {
   119     PRInt8 notused;
   120 };
   122 /*
   123 ** md-specific cpu structure field
   124 */
   125 #define _PR_MD_MAX_OSFD		FD_SETSIZE
   127 struct _MDCPU_Unix {
   128     PRCList ioQ;
   129     PRUint32 ioq_timeout;
   130     PRInt32 ioq_max_osfd;
   131     PRInt32 ioq_osfd_cnt;
   132 #ifndef _PR_USE_POLL
   133     fd_set fd_read_set, fd_write_set, fd_exception_set;
   134     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];
   135 #else
   136     struct pollfd *ioq_pollfds;
   137     int ioq_pollfds_size;
   138 #endif
   139 };
   141 #define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)
   142 #define _PR_ADD_TO_IOQ(_pq, _cpu)	PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
   143 #define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)
   144 #define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)
   145 #define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)
   146 #define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)
   147 #define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)
   148 #define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)
   149 #define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)
   150 #define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)
   151 #define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)
   152 #define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)
   153 #define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)
   155 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32
   157 struct _MDCPU {
   158 	struct _MDCPU_Unix md_unix;
   159 };
   161 #define _MD_INIT_LOCKS()
   162 #define _MD_NEW_LOCK(lock)		PR_SUCCESS
   163 #define _MD_FREE_LOCK(lock)
   164 #define _MD_LOCK(lock)
   165 #define _MD_UNLOCK(lock)
   166 #define _MD_INIT_IO()
   167 #define _MD_IOQ_LOCK()
   168 #define _MD_IOQ_UNLOCK()
   170 #define _MD_INTERVAL_USE_GTOD
   171 #define _MD_EARLY_INIT			_MD_EarlyInit
   172 #define _MD_FINAL_INIT			_PR_UnixInit
   173 #define _MD_INIT_RUNNING_CPU(cpu)	_MD_unix_init_running_cpu(cpu)
   174 #define _MD_INIT_THREAD			_MD_InitializeThread
   175 #define _MD_EXIT_THREAD(thread)
   176 #define	_MD_SUSPEND_THREAD(thread)
   177 #define	_MD_RESUME_THREAD(thread)
   178 #define _MD_CLEAN_THREAD(_thread)
   180 /*
   181 ** We wrapped the select() call.  _MD_SELECT refers to the built-in,
   182 ** unwrapped version.
   183 */
   184 #define _MD_SELECT		select
   186 #define SA_RESTART 0
   188 #endif /* nspr_nto_defs_h___ */

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