The Tor Browser: nsprpub/pr/include/md/

     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_qnx_defs_h___

     7 #define nspr_qnx_defs_h___

     9 /*

    10 ** Internal configuration macros

    11 */

    12 #define PR_LINKER_ARCH		"qnx"

    13 #define _PR_SI_SYSNAME		"QNX"

    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_MMAP_FLAGS		MAP_PRIVATE

    22 #ifndef	HAVE_WEAK_IO_SYMBOLS

    23 #define	HAVE_WEAK_IO_SYMBOLS

    24 #endif

    26 #undef _PR_POLL_AVAILABLE

    27 #undef _PR_USE_POLL

    28 #define _PR_HAVE_SOCKADDR_LEN

    29 #define HAVE_BSD_FLOCK

    30 #define _PR_NO_LARGE_FILES

    31 #define _PR_STAT_HAS_ONLY_ST_ATIME

    33 #include <sys/select.h>

    35 #undef  HAVE_STACK_GROWING_UP

    36 #undef	HAVE_DLL

    37 #undef	USE_DLFCN

    38 #define NEED_STRFTIME_LOCK

    39 #define NEED_TIME_R

    40 #define _PR_NEED_STRCASECMP

    42 #ifndef HAVE_STRERROR

    43 #define HAVE_STRERROR

    44 #endif

    46 #define USE_SETJMP

    48 #include <setjmp.h>

    50 #define _SETJMP			setjmp

    51 #define _LONGJMP		longjmp

    52 #define _PR_CONTEXT_TYPE	jmp_buf

    53 #define _PR_NUM_GCREGS		_JBLEN

    54 #define _MD_GET_SP(_t)		(_t)->md.context[7]

    56 #define CONTEXT(_th)		((_th)->md.context)

    58 /*

    59 ** Initialize the thread context preparing it to execute _main.

    60 */

    61 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)	\

    62 {							\

    63     *status = PR_TRUE;					\

    64     if(_SETJMP(CONTEXT(_thread))) (*_main)();		\

    65     _MD_GET_SP(_thread) = (int) ((_sp) - 128);		\

    66 }

    68 #define _MD_SWITCH_CONTEXT(_thread)	\

    69     if (!_SETJMP(CONTEXT(_thread))) {	\

    70 	(_thread)->md.errcode = errno;	\

    71 	_PR_Schedule();			\

    72     }

    74 /*

    75 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT

    76 */

    77 #define _MD_RESTORE_CONTEXT(_thread)	\

    78 {					\

    79     errno = (_thread)->md.errcode;	\

    80     _MD_SET_CURRENT_THREAD(_thread);	\

    81     _LONGJMP(CONTEXT(_thread), 1);	\

    82 }

    84 /*

    85 ** Machine-dependent (MD) data structures.

    86 */

    87 struct _MDThread {

    88     _PR_CONTEXT_TYPE context;

    89     int id;

    90     int errcode;

    91 };

    93 struct _MDThreadStack {

    94     PRInt8 notused;

    95 };

    97 struct _MDLock {

    98     PRInt8 notused;

    99 };

   101 struct _MDSemaphore {

   102     PRInt8 notused;

   103 };

   105 struct _MDCVar {

   106     PRInt8 notused;

   107 };

   109 struct _MDSegment {

   110     PRInt8 notused;

   111 };

   113 /*

   114 ** md-specific cpu structure field

   115 */

   116 #define _PR_MD_MAX_OSFD		FD_SETSIZE

   118 struct _MDCPU_Unix {

   119     PRCList ioQ;

   120     PRUint32 ioq_timeout;

   121     PRInt32 ioq_max_osfd;

   122     PRInt32 ioq_osfd_cnt;

   123 #ifndef _PR_USE_POLL

   124     fd_set fd_read_set, fd_write_set, fd_exception_set;

   125     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD], fd_write_cnt[_PR_MD_MAX_OSFD], fd_exception_cnt[_PR_MD_MAX_OSFD];

   126 #else

   127     struct pollfd *ioq_pollfds;

   128     int ioq_pollfds_size;

   129 #endif

   130 };

   132 #define _PR_IOQ(_cpu)			((_cpu)->md.md_unix.ioQ)

   133 #define _PR_ADD_TO_IOQ(_pq, _cpu)	PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))

   134 #define _PR_FD_READ_SET(_cpu)		((_cpu)->md.md_unix.fd_read_set)

   135 #define _PR_FD_READ_CNT(_cpu)		((_cpu)->md.md_unix.fd_read_cnt)

   136 #define _PR_FD_WRITE_SET(_cpu)		((_cpu)->md.md_unix.fd_write_set)

   137 #define _PR_FD_WRITE_CNT(_cpu)		((_cpu)->md.md_unix.fd_write_cnt)

   138 #define _PR_FD_EXCEPTION_SET(_cpu)	((_cpu)->md.md_unix.fd_exception_set)

   139 #define _PR_FD_EXCEPTION_CNT(_cpu)	((_cpu)->md.md_unix.fd_exception_cnt)

   140 #define _PR_IOQ_TIMEOUT(_cpu)		((_cpu)->md.md_unix.ioq_timeout)

   141 #define _PR_IOQ_MAX_OSFD(_cpu)		((_cpu)->md.md_unix.ioq_max_osfd)

   142 #define _PR_IOQ_OSFD_CNT(_cpu)		((_cpu)->md.md_unix.ioq_osfd_cnt)

   143 #define _PR_IOQ_POLLFDS(_cpu)		((_cpu)->md.md_unix.ioq_pollfds)

   144 #define _PR_IOQ_POLLFDS_SIZE(_cpu)	((_cpu)->md.md_unix.ioq_pollfds_size)

   146 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32

   148 struct _MDCPU {

   149 	struct _MDCPU_Unix md_unix;

   150 };

   152 #define _MD_INIT_LOCKS()

   153 #define _MD_NEW_LOCK(lock)		PR_SUCCESS

   154 #define _MD_FREE_LOCK(lock)

   155 #define _MD_LOCK(lock)

   156 #define _MD_UNLOCK(lock)

   157 #define _MD_INIT_IO()

   158 #define _MD_IOQ_LOCK()

   159 #define _MD_IOQ_UNLOCK()

   161 #define _MD_INTERVAL_USE_GTOD

   162 #define _MD_EARLY_INIT			_MD_EarlyInit

   163 #define _MD_FINAL_INIT			_PR_UnixInit

   164 #define _MD_INIT_RUNNING_CPU(cpu)	_MD_unix_init_running_cpu(cpu)

   165 #define _MD_INIT_THREAD			_MD_InitializeThread

   166 #define _MD_EXIT_THREAD(thread)

   167 #define	_MD_SUSPEND_THREAD(thread)

   168 #define	_MD_RESUME_THREAD(thread)

   169 #define _MD_CLEAN_THREAD(_thread)

   171 /*

   172 ** We wrapped the select() call.  _MD_SELECT refers to the built-in,

   173 ** unwrapped version.

   174 */

   175 #include <sys/time.h>

   176 #include <sys/types.h>

   177 #include <sys/select.h>

   178 #define _MD_SELECT		select

   180 #define SA_RESTART 0

   182 #endif /* nspr_qnx_defs_h___ */

The Tor Browser / file revision