third_party/npapi/npspy/extern/nspr/md/_winnt.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /*
   3  * The contents of this file are subject to the Mozilla Public
   4  * License Version 1.1 (the "License"); you may not use this file
   5  * except in compliance with the License. You may obtain a copy of
   6  * the License at http://www.mozilla.org/MPL/
   7  *
   8  * Software distributed under the License is distributed on an "AS
   9  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  10  * implied. See the License for the specific language governing
  11  * rights and limitations under the License.
  12  *
  13  * The Original Code is the Netscape Portable Runtime (NSPR).
  14  *
  15  * The Initial Developer of the Original Code is Netscape
  16  * Communications Corporation.  Portions created by Netscape are
  17  * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
  18  * Rights Reserved.
  19  *
  20  * Contributor(s):
  21  *
  22  * Alternatively, the contents of this file may be used under the
  23  * terms of the GNU General Public License Version 2 or later (the
  24  * "GPL"), in which case the provisions of the GPL are applicable
  25  * instead of those above.  If you wish to allow use of your
  26  * version of this file only under the terms of the GPL and not to
  27  * allow others to use your version of this file under the MPL,
  28  * indicate your decision by deleting the provisions above and
  29  * replace them with the notice and other provisions required by
  30  * the GPL.  If you do not delete the provisions above, a recipient
  31  * may use your version of this file under either the MPL or the
  32  * GPL.
  33  */
  34
  35 #ifndef nspr_win32_defs_h___
  36 #define nspr_win32_defs_h___
  37
  38 /* Need to force service-pack 3 extensions to be defined by
  39 ** setting _WIN32_WINNT to NT 4.0 for winsock.h, winbase.h, winnt.h.
  40 */
  41 #ifndef  _WIN32_WINNT
  42     #define _WIN32_WINNT 0x0400
  43 #elif   (_WIN32_WINNT < 0x0400)
  44     #undef  _WIN32_WINNT
  45     #define _WIN32_WINNT 0x0400
  46 #endif /* _WIN32_WINNT */
  47
  48 #include <windows.h>
  49 #include <winsock.h>
  50 #ifdef __MINGW32__
  51 #include <mswsock.h>
  52 #endif
  53 #include <errno.h>
  54
  55 #include "prio.h"
  56 #include "prclist.h"
  57
  58 /*
  59  * Internal configuration macros
  60  */
  61
  62 #define PR_LINKER_ARCH      "win32"
  63 #define _PR_SI_SYSNAME        "WINNT"
  64 #define _PR_SI_ARCHITECTURE   "x86"    /* XXXMB hardcode for now */
  65
  66 #define HAVE_DLL
  67 #define HAVE_CUSTOM_USER_THREADS
  68 #define HAVE_THREAD_AFFINITY
  69 #define _PR_HAVE_GETADDRINFO
  70 #define _PR_INET6_PROBE
  71 #ifndef _PR_INET6
  72 #define AF_INET6 23
  73 /* newer ws2tcpip.h provides these */
  74 #ifndef AI_CANONNAME
  75 #define AI_CANONNAME 0x2
  76 struct addrinfo {
  77     int ai_flags;
  78     int ai_family;
  79     int ai_socktype;
  80     int ai_protocol;
  81     size_t ai_addrlen;
  82     char *ai_canonname;
  83     struct sockaddr *ai_addr;
  84     struct addrinfo *ai_next;
  85 };
  86 #endif
  87 #endif
  88 #define _PR_HAVE_THREADSAFE_GETHOST
  89 #define _PR_HAVE_ATOMIC_OPS
  90 #define _PR_HAVE_ATOMIC_CAS
  91 #define PR_HAVE_WIN32_NAMED_SHARED_MEMORY
  92 #define _PR_HAVE_PEEK_BUFFER
  93 #define _PR_PEEK_BUFFER_MAX (32 * 1024)
  94 #define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) \
  95     (!(fd)->secret->nonblocking && (fd)->secret->inheritable != _PR_TRI_TRUE)
  96
  97 /* --- Common User-Thread/Native-Thread Definitions --------------------- */
  98
  99 /* --- Globals --- */
 100 extern struct PRLock                      *_pr_schedLock;
 101
 102 /* --- Typedefs --- */
 103 typedef void (*FiberFunc)(void *);
 104
 105 #define PR_NUM_GCREGS           8
 106 typedef PRInt32                 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
 107 #define GC_VMBASE               0x40000000
 108 #define GC_VMLIMIT              0x00FFFFFF
 109
 110 #define _MD_MAGIC_THREAD        0x22222222
 111 #define _MD_MAGIC_THREADSTACK   0x33333333
 112 #define _MD_MAGIC_SEGMENT       0x44444444
 113 #define _MD_MAGIC_DIR           0x55555555
 114
 115 struct _MDCPU {
 116     int              unused;
 117 };
 118
 119 enum _MDIOModel {
 120     _MD_BlockingIO = 0x38,
 121     _MD_MultiWaitIO = 0x49
 122 };
 123
 124 typedef struct _MDOverlapped {
 125     OVERLAPPED overlapped;              /* Used for async I/O */
 126
 127     enum _MDIOModel ioModel;            /* The I/O model to implement
 128                                          * using overlapped I/O.
 129                                          */
 130     union {
 131         struct _MDThread *mdThread;     /* For blocking I/O, this structure
 132                                          * is embedded in the _MDThread
 133                                          * structure.
 134                                          */
 135         struct {
 136             PRCList links;              /* for group->io_ready list */
 137             struct PRRecvWait *desc;    /* For multiwait I/O, this structure
 138                                          * is associated with a PRRecvWait
 139                                          * structure.
 140                                          */
 141             struct PRWaitGroup *group;
 142             struct TimerEvent *timer;
 143             DWORD error;
 144         } mw;
 145     } data;
 146 } _MDOverlapped;
 147
 148 struct _MDThread {
 149         /* The overlapped structure must be first! */
 150     struct _MDOverlapped overlapped;    /* Used for async IO for this thread */
 151     void            *acceptex_buf;      /* Used for AcceptEx() */
 152     TRANSMIT_FILE_BUFFERS *xmit_bufs;   /* Used for TransmitFile() */
 153     HANDLE           blocked_sema;      /* Threads block on this when waiting
 154                                          * for IO or CondVar.
 155                                          */
 156     PRInt32          blocked_io_status; /* Status of the completed IO */
 157     PRInt32          blocked_io_bytes;  /* Bytes transferred for completed IO */
 158     PRInt32          blocked_io_error;  /* Save error if status is FALSE */
 159     HANDLE           handle;
 160     PRUint32         id;
 161     void            *sp;                /* only valid when suspended */
 162     PRUint32         magic;             /* for debugging */
 163     PR_CONTEXT_TYPE  gcContext;         /* Thread context for GC */
 164         struct _PRCPU    *thr_bound_cpu;                /* thread bound to cpu */
 165         PRBool                   interrupt_disabled;/* thread cannot be interrupted */
 166         HANDLE                   thr_event;                     /* For native-threads-only support,
 167                                                                                         thread blocks on this event             */
 168
 169     /* The following are used only if this is a fiber */
 170     void            *fiber_id;          /* flag whether or not this is a fiber*/
 171     FiberFunc        fiber_fn;          /* main fiber routine */
 172     void            *fiber_arg;         /* arg to main fiber routine */
 173     PRUint32         fiber_stacksize;   /* stacksize for fiber */
 174     PRInt32          fiber_last_error;  /* last error for the fiber */
 175     void (*start)(void *);              /* used by _PR_MD_CREATE_THREAD to
 176                                          * pass its 'start' argument to
 177                                          * pr_root. */
 178 };
 179
 180 struct _MDThreadStack {
 181     PRUint32           magic;          /* for debugging */
 182 };
 183
 184 struct _MDSegment {
 185     PRUint32           magic;          /* for debugging */
 186 };
 187
 188 #undef PROFILE_LOCKS
 189
 190 struct _MDLock {
 191     CRITICAL_SECTION mutex;          /* this is recursive on NT */
 192 #ifdef PROFILE_LOCKS
 193     PRInt32 hitcount;
 194     PRInt32 misscount;
 195 #endif
 196 };
 197
 198 struct _MDDir {
 199     HANDLE           d_hdl;
 200     WIN32_FIND_DATA  d_entry;
 201     PRBool           firstEntry;     /* Is this the entry returned
 202                                       * by FindFirstFile()? */
 203     PRUint32         magic;          /* for debugging */
 204 };
 205
 206 struct _MDCVar {
 207     PRUint32         unused;
 208 };
 209
 210 struct _MDSemaphore {
 211     HANDLE           sem;
 212 };
 213
 214 struct _MDFileDesc {
 215     PRInt32 osfd;    /* The osfd can come from one of three spaces:
 216                       * - For stdin, stdout, and stderr, we are using
 217                       *   the libc file handle (0, 1, 2), which is an int.
 218                       * - For files and pipes, we are using Win32 HANDLE,
 219                       *   which is a void*.
 220                       * - For sockets, we are using Winsock SOCKET, which
 221                       *   is a u_int.
 222                       */
 223     PRBool io_model_committed;  /* The io model (blocking or nonblocking)
 224                                  * for this osfd has been committed and
 225                                  * cannot be changed.  The osfd has been
 226                                  * either associated with the io
 227                                  * completion port or made nonblocking. */
 228     PRBool sync_file_io;        /* Use synchronous file I/O on the osfd
 229                                  * (a file handle) */
 230     PRBool accepted_socket;     /* Is this an accepted socket (on the
 231                                  * server side)? */
 232     PRNetAddr peer_addr;        /* If this is an accepted socket, cache
 233                                  * the peer's address returned by
 234                                  * AcceptEx().  This is to work around
 235                                  * the bug that getpeername() on an
 236                                  * socket accepted by AcceptEx() returns
 237                                  * an all-zero net address. */
 238 };
 239
 240 struct _MDProcess {
 241     HANDLE handle;
 242     DWORD id;
 243 };
 244
 245
 246 /* --- Misc stuff --- */
 247 #define _MD_GET_SP(thread)            (thread)->md.gcContext[6]
 248
 249 /* --- NT security stuff --- */
 250
 251 extern void _PR_NT_InitSids(void);
 252 extern void _PR_NT_FreeSids(void);
 253 extern PRStatus _PR_NT_MakeSecurityDescriptorACL(
 254     PRIntn mode,
 255     DWORD accessTable[],
 256     PSECURITY_DESCRIPTOR *resultSD,
 257     PACL *resultACL
 258 );
 259 extern void _PR_NT_FreeSecurityDescriptorACL(
 260     PSECURITY_DESCRIPTOR pSD, PACL pACL);
 261
 262 /* --- IO stuff --- */
 263
 264 extern PRInt32 _md_Associate(HANDLE);
 265 extern PRInt32 _PR_MD_CLOSE(PRInt32 osfd, PRBool socket);
 266
 267 #define _MD_OPEN                      _PR_MD_OPEN
 268 #define _MD_OPEN_FILE                 _PR_MD_OPEN_FILE
 269 #define _MD_READ                      _PR_MD_READ
 270 #define _MD_WRITE                     _PR_MD_WRITE
 271 #define _MD_WRITEV                    _PR_MD_WRITEV
 272 #define _MD_LSEEK                     _PR_MD_LSEEK
 273 #define _MD_LSEEK64                   _PR_MD_LSEEK64
 274 #define _MD_CLOSE_FILE(f)             _PR_MD_CLOSE(f, PR_FALSE)
 275 #define _MD_GETFILEINFO               _PR_MD_GETFILEINFO
 276 #define _MD_GETFILEINFO64             _PR_MD_GETFILEINFO64
 277 #define _MD_GETOPENFILEINFO           _PR_MD_GETOPENFILEINFO
 278 #define _MD_GETOPENFILEINFO64         _PR_MD_GETOPENFILEINFO64
 279 #define _MD_STAT                      _PR_MD_STAT
 280 #define _MD_RENAME                    _PR_MD_RENAME
 281 #define _MD_ACCESS                    _PR_MD_ACCESS
 282 #define _MD_DELETE                    _PR_MD_DELETE
 283 #define _MD_MKDIR                     _PR_MD_MKDIR
 284 #define _MD_MAKE_DIR                  _PR_MD_MAKE_DIR
 285 #define _MD_RMDIR                     _PR_MD_RMDIR
 286 #define _MD_LOCKFILE                  _PR_MD_LOCKFILE
 287 #define _MD_TLOCKFILE                 _PR_MD_TLOCKFILE
 288 #define _MD_UNLOCKFILE                _PR_MD_UNLOCKFILE
 289
 290 /* --- Socket IO stuff --- */
 291 #define _MD_GET_SOCKET_ERROR()    WSAGetLastError()
 292 #define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
 293
 294 #define _MD_INIT_FILEDESC(fd)
 295 #define _MD_MAKE_NONBLOCK             _PR_MD_MAKE_NONBLOCK
 296 #define _MD_INIT_FD_INHERITABLE       _PR_MD_INIT_FD_INHERITABLE
 297 #define _MD_QUERY_FD_INHERITABLE      _PR_MD_QUERY_FD_INHERITABLE
 298 #define _MD_SHUTDOWN                  _PR_MD_SHUTDOWN
 299 #define _MD_LISTEN                    _PR_MD_LISTEN
 300 #define _MD_CLOSE_SOCKET(s)           _PR_MD_CLOSE(s, PR_TRUE)
 301 #define _MD_SENDTO                    _PR_MD_SENDTO
 302 #define _MD_RECVFROM                  _PR_MD_RECVFROM
 303 #define _MD_SOCKETPAIR(s, type, proto, sv) -1
 304 #define _MD_GETSOCKNAME               _PR_MD_GETSOCKNAME
 305 #define _MD_GETPEERNAME               _PR_MD_GETPEERNAME
 306 #define _MD_GETSOCKOPT                _PR_MD_GETSOCKOPT
 307 #define _MD_SETSOCKOPT                _PR_MD_SETSOCKOPT
 308 #define _MD_SELECT                    select
 309 extern int _PR_NTFiberSafeSelect(int, fd_set *, fd_set *, fd_set *,
 310     const struct timeval *);
 311 #define _MD_FSYNC                     _PR_MD_FSYNC
 312 #define _MD_SOCKETAVAILABLE           _PR_MD_SOCKETAVAILABLE
 313 #define _MD_PIPEAVAILABLE             _PR_MD_PIPEAVAILABLE
 314 #define _MD_SET_FD_INHERITABLE        _PR_MD_SET_FD_INHERITABLE
 315
 316 #define _MD_INIT_ATOMIC()
 317 #if defined(_M_IX86) || defined(_X86_)
 318 #define _MD_ATOMIC_INCREMENT          _PR_MD_ATOMIC_INCREMENT
 319 #define _MD_ATOMIC_ADD                    _PR_MD_ATOMIC_ADD
 320 #define _MD_ATOMIC_DECREMENT          _PR_MD_ATOMIC_DECREMENT
 321 #else /* non-x86 processors */
 322 #define _MD_ATOMIC_INCREMENT(x)       InterlockedIncrement((PLONG)x)
 323 #define _MD_ATOMIC_ADD(ptr,val)    (InterlockedExchangeAdd((PLONG)ptr, (LONG)val) + val)
 324 #define _MD_ATOMIC_DECREMENT(x)       InterlockedDecrement((PLONG)x)
 325 #endif /* x86 */
 326 #define _MD_ATOMIC_SET(x,y)           InterlockedExchange((PLONG)x, (LONG)y)
 327
 328 #define _MD_INIT_IO                   _PR_MD_INIT_IO
 329 #define _MD_SOCKET                    _PR_MD_SOCKET
 330 #define _MD_CONNECT                   _PR_MD_CONNECT
 331
 332 #define _MD_ACCEPT(s, a, l, to)       \
 333         _MD_FAST_ACCEPT(s, a, l, to, PR_FALSE, NULL, NULL)
 334 #define _MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba) \
 335         _PR_MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba)
 336 #define _MD_ACCEPT_READ(s, ns, ra, buf, l, t) \
 337         _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, PR_FALSE, NULL, NULL)
 338 #define _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba) \
 339         _PR_MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba)
 340 #define _MD_UPDATE_ACCEPT_CONTEXT     _PR_MD_UPDATE_ACCEPT_CONTEXT
 341
 342 #define _MD_BIND                      _PR_MD_BIND
 343 #define _MD_RECV                      _PR_MD_RECV
 344 #define _MD_SEND                      _PR_MD_SEND
 345 #define _MD_SENDFILE                      _PR_MD_SENDFILE
 346 #define _MD_PR_POLL                   _PR_MD_PR_POLL
 347
 348 /* --- Scheduler stuff --- */
 349 #define _MD_PAUSE_CPU                   _PR_MD_PAUSE_CPU
 350
 351 /* --- DIR stuff --- */
 352 #define PR_DIRECTORY_SEPARATOR        '\\'
 353 #define PR_DIRECTORY_SEPARATOR_STR    "\\"
 354 #define PR_PATH_SEPARATOR               ';'
 355 #define PR_PATH_SEPARATOR_STR           ";"
 356 #define _MD_ERRNO()                   GetLastError()
 357 #define _MD_OPEN_DIR                  _PR_MD_OPEN_DIR
 358 #define _MD_CLOSE_DIR                 _PR_MD_CLOSE_DIR
 359 #define _MD_READ_DIR                  _PR_MD_READ_DIR
 360
 361 /* --- Segment stuff --- */
 362 #define _MD_INIT_SEGS()
 363 #define _MD_ALLOC_SEGMENT(seg, size, vaddr)   0
 364 #define _MD_FREE_SEGMENT(seg)
 365
 366 /* --- Environment Stuff --- */
 367 #define _MD_GET_ENV                 _PR_MD_GET_ENV
 368 #define _MD_PUT_ENV                 _PR_MD_PUT_ENV
 369
 370 /* --- Threading Stuff --- */
 371 #define _MD_DEFAULT_STACK_SIZE            0
 372 #define _MD_INIT_THREAD             _PR_MD_INIT_THREAD
 373 #define _MD_INIT_ATTACHED_THREAD    _PR_MD_INIT_THREAD
 374 #define _MD_CREATE_THREAD           _PR_MD_CREATE_THREAD
 375 #define _MD_JOIN_THREAD             _PR_MD_JOIN_THREAD
 376 #define _MD_END_THREAD              _PR_MD_END_THREAD
 377 #define _MD_YIELD                   _PR_MD_YIELD
 378 #define _MD_SET_PRIORITY            _PR_MD_SET_PRIORITY
 379 #define _MD_CLEAN_THREAD            _PR_MD_CLEAN_THREAD
 380 #define _MD_SETTHREADAFFINITYMASK   _PR_MD_SETTHREADAFFINITYMASK
 381 #define _MD_GETTHREADAFFINITYMASK   _PR_MD_GETTHREADAFFINITYMASK
 382 #define _MD_EXIT_THREAD             _PR_MD_EXIT_THREAD
 383 #define _MD_SUSPEND_THREAD          _PR_MD_SUSPEND_THREAD
 384 #define _MD_RESUME_THREAD           _PR_MD_RESUME_THREAD
 385 #define _MD_SUSPEND_CPU             _PR_MD_SUSPEND_CPU
 386 #define _MD_RESUME_CPU              _PR_MD_RESUME_CPU
 387 #define _MD_BEGIN_SUSPEND_ALL()
 388 #define _MD_BEGIN_RESUME_ALL()
 389 #define _MD_END_SUSPEND_ALL()
 390 #define _MD_END_RESUME_ALL()
 391
 392 extern void _PR_Unblock_IO_Wait(PRThread *thr);
 393
 394 /* --- Lock stuff --- */
 395 #define _MD_NEW_LOCK(lock)            (InitializeCriticalSection(&((lock)->mutex)),PR_SUCCESS)
 396 #define _MD_FREE_LOCK(lock)           DeleteCriticalSection(&((lock)->mutex))
 397 #ifndef PROFILE_LOCKS
 398 #define _MD_LOCK(lock)                EnterCriticalSection(&((lock)->mutex))
 399 #define _MD_TEST_AND_LOCK(lock)       (TryEnterCriticalSection(&((lock)->mutex))== FALSE)
 400 #define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
 401 #else
 402 #define _MD_LOCK(lock)                 \
 403     PR_BEGIN_MACRO \
 404     BOOL rv = TryEnterCriticalSection(&((lock)->mutex)); \
 405     if (rv == TRUE) { \
 406         InterlockedIncrement(&((lock)->hitcount)); \
 407     } else { \
 408         InterlockedIncrement(&((lock)->misscount)); \
 409         EnterCriticalSection(&((lock)->mutex)); \
 410     } \
 411     PR_END_MACRO
 412 #define _MD_TEST_AND_LOCK(lock)       0  /* XXXMB */
 413 #define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
 414 #endif
 415 #define _PR_LOCK                      _MD_LOCK
 416 #define _PR_UNLOCK                                        _MD_UNLOCK
 417
 418 /* --- lock and cv waiting --- */
 419 #define _MD_WAIT                      _PR_MD_WAIT
 420 #define _MD_WAKEUP_WAITER             _PR_MD_WAKEUP_WAITER
 421
 422    /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
 423 extern  struct _MDLock              _pr_ioq_lock;
 424 #define _MD_IOQ_LOCK()                _MD_LOCK(&_pr_ioq_lock)
 425 #define _MD_IOQ_UNLOCK()              _MD_UNLOCK(&_pr_ioq_lock)
 426
 427
 428 /* --- Initialization stuff --- */
 429 #define _MD_START_INTERRUPTS()
 430 #define _MD_STOP_INTERRUPTS()
 431 #define _MD_DISABLE_CLOCK_INTERRUPTS()
 432 #define _MD_ENABLE_CLOCK_INTERRUPTS()
 433 #define _MD_BLOCK_CLOCK_INTERRUPTS()
 434 #define _MD_UNBLOCK_CLOCK_INTERRUPTS()
 435 #define _MD_EARLY_INIT                _PR_MD_EARLY_INIT
 436 #define _MD_FINAL_INIT()
 437 #define _MD_INIT_CPUS()
 438 #define _MD_INIT_RUNNING_CPU(cpu)
 439
 440 struct PRProcess;
 441 struct PRProcessAttr;
 442
 443 /* --- Create a new process --- */
 444 #define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
 445 extern struct PRProcess * _PR_CreateWindowsProcess(
 446     const char *path,
 447     char *const *argv,
 448     char *const *envp,
 449     const struct PRProcessAttr *attr
 450 );
 451
 452 #define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
 453 extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);
 454
 455 /* --- Wait for a child process to terminate --- */
 456 #define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
 457 extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process,
 458     PRInt32 *exitCode);
 459
 460 #define _MD_KILL_PROCESS _PR_KillWindowsProcess
 461 extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
 462
 463 /* --- User Threading stuff --- */
 464 #define HAVE_FIBERS
 465 #define _MD_CREATE_USER_THREAD            _PR_MD_CREATE_USER_THREAD
 466 #define _MD_CREATE_PRIMORDIAL_USER_THREAD _PR_MD_CREATE_PRIMORDIAL_USER_THREAD
 467 #define _MD_CLEANUP_BEFORE_EXIT           _PR_MD_CLEANUP_BEFORE_EXIT
 468 #define _MD_EXIT                          _PR_MD_EXIT
 469 #define _MD_INIT_CONTEXT                  _PR_MD_INIT_CONTEXT
 470 #define _MD_SWITCH_CONTEXT                _PR_MD_SWITCH_CONTEXT
 471 #define _MD_RESTORE_CONTEXT               _PR_MD_RESTORE_CONTEXT
 472
 473 /* --- Intervals --- */
 474 #define _MD_INTERVAL_INIT                 _PR_MD_INTERVAL_INIT
 475 #define _MD_GET_INTERVAL                  _PR_MD_GET_INTERVAL
 476 #define _MD_INTERVAL_PER_SEC              _PR_MD_INTERVAL_PER_SEC
 477 #define _MD_INTERVAL_PER_MILLISEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000)
 478 #define _MD_INTERVAL_PER_MICROSEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000000)
 479
 480 /* --- Time --- */
 481 extern void _PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm);
 482
 483 /* --- Native-Thread Specific Definitions ------------------------------- */
 484
 485 extern BOOL _pr_use_static_tls;
 486
 487 extern __declspec(thread) struct PRThread *_pr_current_fiber;
 488 extern DWORD _pr_currentFiberIndex;
 489
 490 #define _MD_GET_ATTACHED_THREAD() \
 491     (_pr_use_static_tls ? _pr_current_fiber \
 492     : (PRThread *) TlsGetValue(_pr_currentFiberIndex))
 493
 494 extern struct PRThread * _MD_CURRENT_THREAD(void);
 495
 496 #define _MD_SET_CURRENT_THREAD(_thread) \
 497     PR_BEGIN_MACRO \
 498         if (_pr_use_static_tls) { \
 499             _pr_current_fiber = (_thread); \
 500         } else { \
 501             TlsSetValue(_pr_currentFiberIndex, (_thread)); \
 502         } \
 503     PR_END_MACRO
 504
 505 extern __declspec(thread) struct PRThread *_pr_fiber_last_run;
 506 extern DWORD _pr_lastFiberIndex;
 507
 508 #define _MD_LAST_THREAD() \
 509     (_pr_use_static_tls ? _pr_fiber_last_run \
 510     : (PRThread *) TlsGetValue(_pr_lastFiberIndex))
 511
 512 #define _MD_SET_LAST_THREAD(_thread) \
 513     PR_BEGIN_MACRO \
 514         if (_pr_use_static_tls) { \
 515             _pr_fiber_last_run = (_thread); \
 516         } else { \
 517             TlsSetValue(_pr_lastFiberIndex, (_thread)); \
 518         } \
 519     PR_END_MACRO
 520
 521 extern __declspec(thread) struct _PRCPU *_pr_current_cpu;
 522 extern DWORD _pr_currentCPUIndex;
 523
 524 #define _MD_CURRENT_CPU() \
 525     (_pr_use_static_tls ? _pr_current_cpu \
 526     : (struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
 527
 528 #define _MD_SET_CURRENT_CPU(_cpu) \
 529     PR_BEGIN_MACRO \
 530         if (_pr_use_static_tls) { \
 531             _pr_current_cpu = (_cpu); \
 532         } else { \
 533             TlsSetValue(_pr_currentCPUIndex, (_cpu)); \
 534         } \
 535     PR_END_MACRO
 536
 537 extern __declspec(thread) PRUintn _pr_ints_off;
 538 extern DWORD _pr_intsOffIndex;
 539
 540 #define _MD_GET_INTSOFF() \
 541     (_pr_use_static_tls ? _pr_ints_off \
 542     : (PRUintn) TlsGetValue(_pr_intsOffIndex))
 543
 544 #define _MD_SET_INTSOFF(_val) \
 545     PR_BEGIN_MACRO \
 546         if (_pr_use_static_tls) { \
 547             _pr_ints_off = (_val); \
 548         } else { \
 549             TlsSetValue(_pr_intsOffIndex, (LPVOID) (_val)); \
 550         } \
 551     PR_END_MACRO
 552
 553 /* --- Initialization stuff --- */
 554 #define _MD_INIT_LOCKS()
 555
 556 /* --- Stack stuff --- */
 557 #define _MD_INIT_STACK(stack, redzone)
 558 #define _MD_CLEAR_STACK(stack)
 559
 560 /* --- Memory-mapped files stuff --- */
 561
 562 struct _MDFileMap {
 563     HANDLE hFileMap;
 564     DWORD dwAccess;
 565 };
 566
 567 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
 568 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap
 569
 570 extern PRInt32 _MD_GetMemMapAlignment(void);
 571 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
 572
 573 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
 574         PRUint32 len);
 575 #define _MD_MEM_MAP _MD_MemMap
 576
 577 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
 578 #define _MD_MEM_UNMAP _MD_MemUnmap
 579
 580 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
 581 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
 582
 583 /* --- Named semaphores stuff --- */
 584 #define _PR_HAVE_NAMED_SEMAPHORES
 585 #define _MD_OPEN_SEMAPHORE            _PR_MD_OPEN_SEMAPHORE
 586 #define _MD_WAIT_SEMAPHORE            _PR_MD_WAIT_SEMAPHORE
 587 #define _MD_POST_SEMAPHORE            _PR_MD_POST_SEMAPHORE
 588 #define _MD_CLOSE_SEMAPHORE           _PR_MD_CLOSE_SEMAPHORE
 589 #define _MD_DELETE_SEMAPHORE(name)    PR_SUCCESS  /* no op */
 590
 591 #endif /* nspr_win32_defs_h___ */