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_scoos5_defs_h___

     7 #define nspr_scoos5_defs_h___

     9 /*

    10  * Internal configuration macros

    11  */

    13 #define PR_LINKER_ARCH	"scoos5"

    14 #define PR_DLL_SUFFIX		".so"

    16 #define _PR_SI_SYSNAME      "SCO"

    17 #define _PR_SI_ARCHITECTURE "x86"

    18 #define _PR_STACK_VMBASE    0x50000000

    20 #define _MD_DEFAULT_STACK_SIZE	65536L

    21 #define _MD_MMAP_FLAGS          MAP_PRIVATE

    23 #undef  HAVE_STACK_GROWING_UP

    24 #define	HAVE_DLL

    25 #define	USE_DLFCN

    27 #if !defined (HAVE_STRERROR)

    28 #define HAVE_STRERROR

    29 #endif

    31 #ifndef	HAVE_WEAK_IO_SYMBOLS

    32 #define	HAVE_WEAK_IO_SYMBOLS

    33 #endif

    35 #define _PR_POLL_AVAILABLE

    36 #define _PR_USE_POLL

    37 #define _PR_NO_LARGE_FILES

    38 #define _PR_STAT_HAS_ONLY_ST_ATIME

    40 #define NEED_STRFTIME_LOCK

    41 #define NEED_TIME_R

    42 #define _PR_RECV_BROKEN /* recv doesn't work on Unix Domain Sockets */

    44 #define USE_SETJMP

    46 #ifdef _PR_LOCAL_THREADS_ONLY

    47 #include <setjmp.h>

    49 #define _MD_GET_SP(_t)  (_t)->md.jb[4]

    50 #define PR_NUM_GCREGS	_SIGJBLEN

    51 #define PR_CONTEXT_TYPE	sigjmp_buf

    53 #define CONTEXT(_th) ((_th)->md.jb)

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

    56 {								  									\

    57 	*status = PR_TRUE;												\

    58     if (sigsetjmp(CONTEXT(_thread),1)) {				  			\

    59 		(*_main)(); 												\

    60     }								  								\

    61     _MD_GET_SP(_thread) = (int) ((_sp) - 64);	\

    62 }

    64 #define _MD_SWITCH_CONTEXT(_thread)  								\

    65     if (!sigsetjmp(CONTEXT(_thread), 1)) { 							\

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

    67 		_PR_Schedule();		     									\

    68     }

    70 /*

    71 ** Restore a thread context, saved by _MD_SWITCH_CONTEXT

    72 */

    73 #define _MD_RESTORE_CONTEXT(_thread)								\

    74 {				     												\

    75     errno = (_thread)->osErrorCode;	     							\

    76 	_MD_SET_CURRENT_THREAD(_thread);								\

    77     siglongjmp(CONTEXT(_thread), 1);    							\

    78 }

    80 #endif /* _PR_LOCAL_THREADS_ONLY */

    82 struct _MDThread {

    83     jmp_buf jb;

    84     int id;

    85     int errcode;

    86 };

    88 struct _MDThreadStack {

    89     PRInt8 notused;

    90 };

    92 struct _MDLock {

    93     PRInt8 notused;

    94 };

    96 struct _MDSemaphore {

    97     PRInt8 notused;

    98 };

   100 struct _MDCVar {

   101     PRInt8 notused;

   102 };

   104 struct _MDSegment {

   105     PRInt8 notused;

   106 };

   108 /*

   109  * md-specific cpu structure field

   110  */

   111 #define _PR_MD_MAX_OSFD FD_SETSIZE

   113 struct _MDCPU_Unix {

   114     PRCList ioQ;

   115     PRUint32 ioq_timeout;

   116     PRInt32 ioq_max_osfd;

   117     PRInt32 ioq_osfd_cnt;

   118 #ifndef _PR_USE_POLL

   119     fd_set fd_read_set, fd_write_set, fd_exception_set;

   120     PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],

   121 				fd_exception_cnt[_PR_MD_MAX_OSFD];

   122 #else

   123 	struct pollfd *ioq_pollfds;

   124 	int ioq_pollfds_size;

   125 #endif	/* _PR_USE_POLL */

   126 };

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

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

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

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

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

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

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

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

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

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

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

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

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

   142 #define _PR_IOQ_MIN_POLLFDS_SIZE(_cpu)	32

   144 struct _MDCPU {

   145     struct _MDCPU_Unix md_unix;

   146 };

   148 #define _MD_INIT_LOCKS()

   149 #define _MD_NEW_LOCK(lock) PR_SUCCESS

   150 #define _MD_FREE_LOCK(lock)

   151 #define _MD_LOCK(lock)

   152 #define _MD_UNLOCK(lock)

   153 #define _MD_INIT_IO()

   154 #define _MD_IOQ_LOCK()

   155 #define _MD_IOQ_UNLOCK()

   157 #define _MD_EARLY_INIT          	_MD_EarlyInit

   158 #define _MD_FINAL_INIT				_PR_UnixInit

   159 #define _MD_INIT_RUNNING_CPU(cpu) 	_MD_unix_init_running_cpu(cpu)

   160 #define _MD_INIT_THREAD         	_MD_InitializeThread

   161 #define _MD_EXIT_THREAD(thread)

   162 #define	_MD_SUSPEND_THREAD(thread)

   163 #define	_MD_RESUME_THREAD(thread)

   164 #define _MD_CLEAN_THREAD(_thread)

   166 #define _MD_INTERVAL_USE_GTOD

   168 #define _MD_SELECT		_select

   169 #define _MD_POLL		_poll

   171 #endif /* nspr_scoos5_defs_h___ */

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