nsprpub/pr/include/md/_winnt.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is the Netscape Portable Runtime (NSPR).
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998-2000
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
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  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #ifndef nspr_win32_defs_h___
  39 #define nspr_win32_defs_h___
  40
  41 /* Need to force service-pack 3 extensions to be defined by
  42 ** setting _WIN32_WINNT to NT 4.0 for winsock.h, winbase.h, winnt.h.
  43 */
  44 #ifndef  _WIN32_WINNT
  45     #define _WIN32_WINNT 0x0400
  46 #elif   (_WIN32_WINNT < 0x0400)
  47     #undef  _WIN32_WINNT
  48     #define _WIN32_WINNT 0x0400
  49 #endif /* _WIN32_WINNT */
  50
  51 #include <windows.h>
  52 #include <winsock.h>
  53 #ifdef __MINGW32__
  54 #include <mswsock.h>
  55 #endif
  56 #include <errno.h>
  57
  58 #include "prio.h"
  59 #include "prclist.h"
  60
  61 /*
  62  * Internal configuration macros
  63  */
  64
  65 #define PR_LINKER_ARCH      "win32"
  66 #define _PR_SI_SYSNAME        "WINNT"
  67 #if defined(_M_IX86) || defined(_X86_)
  68 #define _PR_SI_ARCHITECTURE   "x86"
  69 #elif defined(_AMD64_)
  70 #define _PR_SI_ARCHITECTURE   "x86-64"
  71 #elif defined(_IA64_)
  72 #define _PR_SI_ARCHITECTURE   "ia64"
  73 #else
  74 #error unknown processor architecture
  75 #endif
  76
  77 #define HAVE_DLL
  78 #define HAVE_CUSTOM_USER_THREADS
  79 #define HAVE_THREAD_AFFINITY
  80 #define _PR_HAVE_GETADDRINFO
  81 #define _PR_INET6_PROBE
  82 #ifndef _PR_INET6
  83 #define AF_INET6 23
  84 /* newer ws2tcpip.h provides these */
  85 #ifndef AI_CANONNAME
  86 #define AI_CANONNAME 0x2
  87 #define AI_NUMERICHOST 0x4
  88 #define NI_NUMERICHOST 0x02
  89 struct addrinfo {
  90     int ai_flags;
  91     int ai_family;
  92     int ai_socktype;
  93     int ai_protocol;
  94     size_t ai_addrlen;
  95     char *ai_canonname;
  96     struct sockaddr *ai_addr;
  97     struct addrinfo *ai_next;
  98 };
  99 #endif
 100 #define _PR_HAVE_MD_SOCKADDR_IN6
 101 /* isomorphic to struct in6_addr on Windows */
 102 struct _md_in6_addr {
 103     union {
 104         PRUint8  _S6_u8[16];
 105         PRUint16 _S6_u16[8];
 106     } _S6_un;
 107 };
 108 /* isomorphic to struct sockaddr_in6 on Windows */
 109 struct _md_sockaddr_in6 {
 110     PRInt16 sin6_family;
 111     PRUint16 sin6_port;
 112     PRUint32 sin6_flowinfo;
 113     struct _md_in6_addr sin6_addr;
 114     PRUint32 sin6_scope_id;
 115 };
 116 #endif
 117 #define _PR_HAVE_THREADSAFE_GETHOST
 118 #define _PR_HAVE_ATOMIC_OPS
 119 #if defined(_M_IX86) || defined(_X86_)
 120 #define _PR_HAVE_ATOMIC_CAS
 121 #endif
 122 #define PR_HAVE_WIN32_NAMED_SHARED_MEMORY
 123 #define _PR_HAVE_PEEK_BUFFER
 124 #define _PR_PEEK_BUFFER_MAX (32 * 1024)
 125 #define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) \
 126     (!(fd)->secret->nonblocking && (fd)->secret->inheritable != _PR_TRI_TRUE)
 127 #define _PR_NEED_SECRET_AF
 128
 129 /* --- Common User-Thread/Native-Thread Definitions --------------------- */
 130
 131 /* --- Globals --- */
 132 extern struct PRLock                      *_pr_schedLock;
 133
 134 /* --- Typedefs --- */
 135 typedef void (*FiberFunc)(void *);
 136
 137 #define PR_NUM_GCREGS           8
 138 typedef PRInt32                 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
 139 #define GC_VMBASE               0x40000000
 140 #define GC_VMLIMIT              0x00FFFFFF
 141
 142 #define _MD_MAGIC_THREAD        0x22222222
 143 #define _MD_MAGIC_THREADSTACK   0x33333333
 144 #define _MD_MAGIC_SEGMENT       0x44444444
 145 #define _MD_MAGIC_DIR           0x55555555
 146
 147 struct _MDCPU {
 148     int              unused;
 149 };
 150
 151 enum _MDIOModel {
 152     _MD_BlockingIO = 0x38,
 153     _MD_MultiWaitIO = 0x49
 154 };
 155
 156 typedef struct _MDOverlapped {
 157     OVERLAPPED overlapped;              /* Used for async I/O */
 158
 159     enum _MDIOModel ioModel;            /* The I/O model to implement
 160                                          * using overlapped I/O.
 161                                          */
 162     union {
 163         struct _MDThread *mdThread;     /* For blocking I/O, this structure
 164                                          * is embedded in the _MDThread
 165                                          * structure.
 166                                          */
 167         struct {
 168             PRCList links;              /* for group->io_ready list */
 169             struct PRRecvWait *desc;    /* For multiwait I/O, this structure
 170                                          * is associated with a PRRecvWait
 171                                          * structure.
 172                                          */
 173             struct PRWaitGroup *group;
 174             struct TimerEvent *timer;
 175             DWORD error;
 176         } mw;
 177     } data;
 178 } _MDOverlapped;
 179
 180 struct _MDThread {
 181         /* The overlapped structure must be first! */
 182     struct _MDOverlapped overlapped;    /* Used for async IO for this thread */
 183     void            *acceptex_buf;      /* Used for AcceptEx() */
 184     TRANSMIT_FILE_BUFFERS *xmit_bufs;   /* Used for TransmitFile() */
 185     HANDLE           blocked_sema;      /* Threads block on this when waiting
 186                                          * for IO or CondVar.
 187                                          */
 188     PRInt32          blocked_io_status; /* Status of the completed IO */
 189     PRInt32          blocked_io_bytes;  /* Bytes transferred for completed IO */
 190     PRInt32          blocked_io_error;  /* Save error if status is FALSE */
 191     HANDLE           handle;
 192     PRUint32         id;
 193     void            *sp;                /* only valid when suspended */
 194     PRUint32         magic;             /* for debugging */
 195     PR_CONTEXT_TYPE  gcContext;         /* Thread context for GC */
 196         struct _PRCPU    *thr_bound_cpu;                /* thread bound to cpu */
 197         PRBool                   interrupt_disabled;/* thread cannot be interrupted */
 198         HANDLE                   thr_event;                     /* For native-threads-only support,
 199                                                                                         thread blocks on this event             */
 200
 201     /* The following are used only if this is a fiber */
 202     void            *fiber_id;          /* flag whether or not this is a fiber*/
 203     FiberFunc        fiber_fn;          /* main fiber routine */
 204     void            *fiber_arg;         /* arg to main fiber routine */
 205     PRUint32         fiber_stacksize;   /* stacksize for fiber */
 206     PRInt32          fiber_last_error;  /* last error for the fiber */
 207     void (*start)(void *);              /* used by _PR_MD_CREATE_THREAD to
 208                                          * pass its 'start' argument to
 209                                          * pr_root. */
 210 };
 211
 212 struct _MDThreadStack {
 213     PRUint32           magic;          /* for debugging */
 214 };
 215
 216 struct _MDSegment {
 217     PRUint32           magic;          /* for debugging */
 218 };
 219
 220 #undef PROFILE_LOCKS
 221
 222 struct _MDLock {
 223     CRITICAL_SECTION mutex;          /* this is recursive on NT */
 224 #ifdef PROFILE_LOCKS
 225     PRInt32 hitcount;
 226     PRInt32 misscount;
 227 #endif
 228 };
 229
 230 struct _MDDir {
 231     HANDLE           d_hdl;
 232     WIN32_FIND_DATA  d_entry;
 233     PRBool           firstEntry;     /* Is this the entry returned
 234                                       * by FindFirstFile()? */
 235     PRUint32         magic;          /* for debugging */
 236 };
 237
 238 struct _MDCVar {
 239     PRUint32         unused;
 240 };
 241
 242 struct _MDSemaphore {
 243     HANDLE           sem;
 244 };
 245
 246 struct _MDFileDesc {
 247     PROsfd osfd;     /* The osfd can come from one of three spaces:
 248                       * - For stdin, stdout, and stderr, we are using
 249                       *   the libc file handle (0, 1, 2), which is an int.
 250                       * - For files and pipes, we are using Win32 HANDLE,
 251                       *   which is a void*.
 252                       * - For sockets, we are using Winsock SOCKET, which
 253                       *   is a u_int.
 254                       */
 255     PRBool io_model_committed;  /* The io model (blocking or nonblocking)
 256                                  * for this osfd has been committed and
 257                                  * cannot be changed.  The osfd has been
 258                                  * either associated with the io
 259                                  * completion port or made nonblocking. */
 260     PRBool sync_file_io;        /* Use synchronous file I/O on the osfd
 261                                  * (a file handle) */
 262     PRBool accepted_socket;     /* Is this an accepted socket (on the
 263                                  * server side)? */
 264     PRNetAddr peer_addr;        /* If this is an accepted socket, cache
 265                                  * the peer's address returned by
 266                                  * AcceptEx().  This is to work around
 267                                  * the bug that getpeername() on an
 268                                  * socket accepted by AcceptEx() returns
 269                                  * an all-zero net address. */
 270 };
 271
 272 struct _MDProcess {
 273     HANDLE handle;
 274     DWORD id;
 275 };
 276
 277
 278 /* --- Misc stuff --- */
 279 #define _MD_GET_SP(thread)            (thread)->md.gcContext[6]
 280
 281 /* --- NT security stuff --- */
 282
 283 extern void _PR_NT_InitSids(void);
 284 extern void _PR_NT_FreeSids(void);
 285 extern PRStatus _PR_NT_MakeSecurityDescriptorACL(
 286     PRIntn mode,
 287     DWORD accessTable[],
 288     PSECURITY_DESCRIPTOR *resultSD,
 289     PACL *resultACL
 290 );
 291 extern void _PR_NT_FreeSecurityDescriptorACL(
 292     PSECURITY_DESCRIPTOR pSD, PACL pACL);
 293
 294 /* --- IO stuff --- */
 295
 296 extern PRInt32 _md_Associate(HANDLE);
 297 extern PRInt32 _PR_MD_CLOSE(PROsfd osfd, PRBool socket);
 298
 299 #define _MD_OPEN                      _PR_MD_OPEN
 300 #define _MD_OPEN_FILE                 _PR_MD_OPEN_FILE
 301 #define _MD_READ                      _PR_MD_READ
 302 #define _MD_WRITE                     _PR_MD_WRITE
 303 #define _MD_WRITEV                    _PR_MD_WRITEV
 304 #define _MD_LSEEK                     _PR_MD_LSEEK
 305 #define _MD_LSEEK64                   _PR_MD_LSEEK64
 306 #define _MD_CLOSE_FILE(f)             _PR_MD_CLOSE(f, PR_FALSE)
 307 #define _MD_GETFILEINFO               _PR_MD_GETFILEINFO
 308 #define _MD_GETFILEINFO64             _PR_MD_GETFILEINFO64
 309 #define _MD_GETOPENFILEINFO           _PR_MD_GETOPENFILEINFO
 310 #define _MD_GETOPENFILEINFO64         _PR_MD_GETOPENFILEINFO64
 311 #define _MD_STAT                      _PR_MD_STAT
 312 #define _MD_RENAME                    _PR_MD_RENAME
 313 #define _MD_ACCESS                    _PR_MD_ACCESS
 314 #define _MD_DELETE                    _PR_MD_DELETE
 315 #define _MD_MKDIR                     _PR_MD_MKDIR
 316 #define _MD_MAKE_DIR                  _PR_MD_MAKE_DIR
 317 #define _MD_RMDIR                     _PR_MD_RMDIR
 318 #define _MD_LOCKFILE                  _PR_MD_LOCKFILE
 319 #define _MD_TLOCKFILE                 _PR_MD_TLOCKFILE
 320 #define _MD_UNLOCKFILE                _PR_MD_UNLOCKFILE
 321
 322 /* --- Socket IO stuff --- */
 323 #define _MD_GET_SOCKET_ERROR()    WSAGetLastError()
 324 #define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
 325
 326 #define _MD_INIT_FILEDESC(fd)
 327 #define _MD_MAKE_NONBLOCK             _PR_MD_MAKE_NONBLOCK
 328 #define _MD_INIT_FD_INHERITABLE       _PR_MD_INIT_FD_INHERITABLE
 329 #define _MD_QUERY_FD_INHERITABLE      _PR_MD_QUERY_FD_INHERITABLE
 330 #define _MD_SHUTDOWN                  _PR_MD_SHUTDOWN
 331 #define _MD_LISTEN                    _PR_MD_LISTEN
 332 #define _MD_CLOSE_SOCKET(s)           _PR_MD_CLOSE(s, PR_TRUE)
 333 #define _MD_SENDTO                    _PR_MD_SENDTO
 334 #define _MD_RECVFROM                  _PR_MD_RECVFROM
 335 #define _MD_SOCKETPAIR(s, type, proto, sv) -1
 336 #define _MD_GETSOCKNAME               _PR_MD_GETSOCKNAME
 337 #define _MD_GETPEERNAME               _PR_MD_GETPEERNAME
 338 #define _MD_GETSOCKOPT                _PR_MD_GETSOCKOPT
 339 #define _MD_SETSOCKOPT                _PR_MD_SETSOCKOPT
 340 #define _MD_SELECT                    select
 341 extern int _PR_NTFiberSafeSelect(int, fd_set *, fd_set *, fd_set *,
 342     const struct timeval *);
 343 #define _MD_FSYNC                     _PR_MD_FSYNC
 344 #define _MD_SOCKETAVAILABLE           _PR_MD_SOCKETAVAILABLE
 345 #define _MD_PIPEAVAILABLE             _PR_MD_PIPEAVAILABLE
 346 #define _MD_SET_FD_INHERITABLE        _PR_MD_SET_FD_INHERITABLE
 347
 348 #define _MD_INIT_ATOMIC()
 349 #if defined(_M_IX86) || defined(_X86_)
 350 #define _MD_ATOMIC_INCREMENT          _PR_MD_ATOMIC_INCREMENT
 351 #define _MD_ATOMIC_ADD                    _PR_MD_ATOMIC_ADD
 352 #define _MD_ATOMIC_DECREMENT          _PR_MD_ATOMIC_DECREMENT
 353 #else /* non-x86 processors */
 354 #define _MD_ATOMIC_INCREMENT(x)       InterlockedIncrement((PLONG)x)
 355 #define _MD_ATOMIC_ADD(ptr,val)    (InterlockedExchangeAdd((PLONG)ptr, (LONG)val) + val)
 356 #define _MD_ATOMIC_DECREMENT(x)       InterlockedDecrement((PLONG)x)
 357 #endif /* x86 */
 358 #define _MD_ATOMIC_SET(x,y)           InterlockedExchange((PLONG)x, (LONG)y)
 359
 360 #define _MD_INIT_IO                   _PR_MD_INIT_IO
 361 #define _MD_SOCKET                    _PR_MD_SOCKET
 362 #define _MD_CONNECT                   _PR_MD_CONNECT
 363
 364 #define _MD_ACCEPT(s, a, l, to)       \
 365         _MD_FAST_ACCEPT(s, a, l, to, PR_FALSE, NULL, NULL)
 366 #define _MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba) \
 367         _PR_MD_FAST_ACCEPT(s, a, l, to, fast, cb, cba)
 368 #define _MD_ACCEPT_READ(s, ns, ra, buf, l, t) \
 369         _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, PR_FALSE, NULL, NULL)
 370 #define _MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba) \
 371         _PR_MD_FAST_ACCEPT_READ(s, ns, ra, buf, l, t, fast, cb, cba)
 372 #define _MD_UPDATE_ACCEPT_CONTEXT     _PR_MD_UPDATE_ACCEPT_CONTEXT
 373
 374 #define _MD_BIND                      _PR_MD_BIND
 375 #define _MD_RECV                      _PR_MD_RECV
 376 #define _MD_SEND                      _PR_MD_SEND
 377 #define _MD_SENDFILE                      _PR_MD_SENDFILE
 378 #define _MD_PR_POLL                   _PR_MD_PR_POLL
 379
 380 /* --- Scheduler stuff --- */
 381 #define _MD_PAUSE_CPU                   _PR_MD_PAUSE_CPU
 382
 383 /* --- DIR stuff --- */
 384 #define PR_DIRECTORY_SEPARATOR        '\\'
 385 #define PR_DIRECTORY_SEPARATOR_STR    "\\"
 386 #define PR_PATH_SEPARATOR               ';'
 387 #define PR_PATH_SEPARATOR_STR           ";"
 388 #define _MD_ERRNO()                   GetLastError()
 389 #define _MD_OPEN_DIR                  _PR_MD_OPEN_DIR
 390 #define _MD_CLOSE_DIR                 _PR_MD_CLOSE_DIR
 391 #define _MD_READ_DIR                  _PR_MD_READ_DIR
 392
 393 /* --- Segment stuff --- */
 394 #define _MD_INIT_SEGS()
 395 #define _MD_ALLOC_SEGMENT(seg, size, vaddr)   0
 396 #define _MD_FREE_SEGMENT(seg)
 397
 398 /* --- Environment Stuff --- */
 399 #define _MD_GET_ENV                 _PR_MD_GET_ENV
 400 #define _MD_PUT_ENV                 _PR_MD_PUT_ENV
 401
 402 /* --- Threading Stuff --- */
 403 #define _MD_DEFAULT_STACK_SIZE            0
 404 #define _MD_INIT_THREAD             _PR_MD_INIT_THREAD
 405 #define _MD_INIT_ATTACHED_THREAD    _PR_MD_INIT_THREAD
 406 #define _MD_CREATE_THREAD           _PR_MD_CREATE_THREAD
 407 #define _MD_JOIN_THREAD             _PR_MD_JOIN_THREAD
 408 #define _MD_END_THREAD              _PR_MD_END_THREAD
 409 #define _MD_YIELD                   _PR_MD_YIELD
 410 #define _MD_SET_PRIORITY            _PR_MD_SET_PRIORITY
 411 #define _MD_CLEAN_THREAD            _PR_MD_CLEAN_THREAD
 412 #define _MD_SETTHREADAFFINITYMASK   _PR_MD_SETTHREADAFFINITYMASK
 413 #define _MD_GETTHREADAFFINITYMASK   _PR_MD_GETTHREADAFFINITYMASK
 414 #define _MD_EXIT_THREAD             _PR_MD_EXIT_THREAD
 415 #define _MD_SUSPEND_THREAD          _PR_MD_SUSPEND_THREAD
 416 #define _MD_RESUME_THREAD           _PR_MD_RESUME_THREAD
 417 #define _MD_SUSPEND_CPU             _PR_MD_SUSPEND_CPU
 418 #define _MD_RESUME_CPU              _PR_MD_RESUME_CPU
 419 #define _MD_BEGIN_SUSPEND_ALL()
 420 #define _MD_BEGIN_RESUME_ALL()
 421 #define _MD_END_SUSPEND_ALL()
 422 #define _MD_END_RESUME_ALL()
 423
 424 extern void _PR_Unblock_IO_Wait(PRThread *thr);
 425
 426 /* --- Lock stuff --- */
 427 #define _MD_NEW_LOCK(lock)            (InitializeCriticalSection(&((lock)->mutex)),PR_SUCCESS)
 428 #define _MD_FREE_LOCK(lock)           DeleteCriticalSection(&((lock)->mutex))
 429 #ifndef PROFILE_LOCKS
 430 #define _MD_LOCK(lock)                EnterCriticalSection(&((lock)->mutex))
 431 #define _MD_TEST_AND_LOCK(lock)       (TryEnterCriticalSection(&((lock)->mutex))== FALSE)
 432 #define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
 433 #else
 434 #define _MD_LOCK(lock)                 \
 435     PR_BEGIN_MACRO \
 436     BOOL rv = TryEnterCriticalSection(&((lock)->mutex)); \
 437     if (rv == TRUE) { \
 438         InterlockedIncrement(&((lock)->hitcount)); \
 439     } else { \
 440         InterlockedIncrement(&((lock)->misscount)); \
 441         EnterCriticalSection(&((lock)->mutex)); \
 442     } \
 443     PR_END_MACRO
 444 #define _MD_TEST_AND_LOCK(lock)       0  /* XXXMB */
 445 #define _MD_UNLOCK(lock)              LeaveCriticalSection(&((lock)->mutex))
 446 #endif
 447 #define _PR_LOCK                      _MD_LOCK
 448 #define _PR_UNLOCK                                        _MD_UNLOCK
 449
 450 /* --- lock and cv waiting --- */
 451 #define _MD_WAIT                      _PR_MD_WAIT
 452 #define _MD_WAKEUP_WAITER             _PR_MD_WAKEUP_WAITER
 453
 454    /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
 455 extern  struct _MDLock              _pr_ioq_lock;
 456 #define _MD_IOQ_LOCK()                _MD_LOCK(&_pr_ioq_lock)
 457 #define _MD_IOQ_UNLOCK()              _MD_UNLOCK(&_pr_ioq_lock)
 458
 459
 460 /* --- Initialization stuff --- */
 461 #define _MD_START_INTERRUPTS()
 462 #define _MD_STOP_INTERRUPTS()
 463 #define _MD_DISABLE_CLOCK_INTERRUPTS()
 464 #define _MD_ENABLE_CLOCK_INTERRUPTS()
 465 #define _MD_BLOCK_CLOCK_INTERRUPTS()
 466 #define _MD_UNBLOCK_CLOCK_INTERRUPTS()
 467 #define _MD_EARLY_INIT                _PR_MD_EARLY_INIT
 468 #define _MD_FINAL_INIT()
 469 #define _MD_INIT_CPUS()
 470 #define _MD_INIT_RUNNING_CPU(cpu)
 471
 472 struct PRProcess;
 473 struct PRProcessAttr;
 474
 475 /* --- Create a new process --- */
 476 #define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
 477 extern struct PRProcess * _PR_CreateWindowsProcess(
 478     const char *path,
 479     char *const *argv,
 480     char *const *envp,
 481     const struct PRProcessAttr *attr
 482 );
 483
 484 #define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
 485 extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);
 486
 487 /* --- Wait for a child process to terminate --- */
 488 #define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
 489 extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process,
 490     PRInt32 *exitCode);
 491
 492 #define _MD_KILL_PROCESS _PR_KillWindowsProcess
 493 extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
 494
 495 /* --- User Threading stuff --- */
 496 #define HAVE_FIBERS
 497 #define _MD_CREATE_USER_THREAD            _PR_MD_CREATE_USER_THREAD
 498 #define _MD_CREATE_PRIMORDIAL_USER_THREAD _PR_MD_CREATE_PRIMORDIAL_USER_THREAD
 499 #define _MD_CLEANUP_BEFORE_EXIT           _PR_MD_CLEANUP_BEFORE_EXIT
 500 #define _MD_EXIT                          _PR_MD_EXIT
 501 #define _MD_INIT_CONTEXT                  _PR_MD_INIT_CONTEXT
 502 #define _MD_SWITCH_CONTEXT                _PR_MD_SWITCH_CONTEXT
 503 #define _MD_RESTORE_CONTEXT               _PR_MD_RESTORE_CONTEXT
 504
 505 /* --- Intervals --- */
 506 #define _MD_INTERVAL_INIT                 _PR_MD_INTERVAL_INIT
 507 #define _MD_GET_INTERVAL                  _PR_MD_GET_INTERVAL
 508 #define _MD_INTERVAL_PER_SEC              _PR_MD_INTERVAL_PER_SEC
 509 #define _MD_INTERVAL_PER_MILLISEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000)
 510 #define _MD_INTERVAL_PER_MICROSEC()       (_PR_MD_INTERVAL_PER_SEC() / 1000000)
 511
 512 /* --- Time --- */
 513 extern void _PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm);
 514
 515 /* --- Native-Thread Specific Definitions ------------------------------- */
 516
 517 extern BOOL _pr_use_static_tls;
 518
 519 extern __declspec(thread) struct PRThread *_pr_current_fiber;
 520 extern DWORD _pr_currentFiberIndex;
 521
 522 #define _MD_GET_ATTACHED_THREAD() \
 523     (_pr_use_static_tls ? _pr_current_fiber \
 524     : (PRThread *) TlsGetValue(_pr_currentFiberIndex))
 525
 526 extern struct PRThread * _MD_CURRENT_THREAD(void);
 527
 528 #define _MD_SET_CURRENT_THREAD(_thread) \
 529     PR_BEGIN_MACRO \
 530         if (_pr_use_static_tls) { \
 531             _pr_current_fiber = (_thread); \
 532         } else { \
 533             TlsSetValue(_pr_currentFiberIndex, (_thread)); \
 534         } \
 535     PR_END_MACRO
 536
 537 extern __declspec(thread) struct PRThread *_pr_fiber_last_run;
 538 extern DWORD _pr_lastFiberIndex;
 539
 540 #define _MD_LAST_THREAD() \
 541     (_pr_use_static_tls ? _pr_fiber_last_run \
 542     : (PRThread *) TlsGetValue(_pr_lastFiberIndex))
 543
 544 #define _MD_SET_LAST_THREAD(_thread) \
 545     PR_BEGIN_MACRO \
 546         if (_pr_use_static_tls) { \
 547             _pr_fiber_last_run = (_thread); \
 548         } else { \
 549             TlsSetValue(_pr_lastFiberIndex, (_thread)); \
 550         } \
 551     PR_END_MACRO
 552
 553 extern __declspec(thread) struct _PRCPU *_pr_current_cpu;
 554 extern DWORD _pr_currentCPUIndex;
 555
 556 #define _MD_CURRENT_CPU() \
 557     (_pr_use_static_tls ? _pr_current_cpu \
 558     : (struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
 559
 560 #define _MD_SET_CURRENT_CPU(_cpu) \
 561     PR_BEGIN_MACRO \
 562         if (_pr_use_static_tls) { \
 563             _pr_current_cpu = (_cpu); \
 564         } else { \
 565             TlsSetValue(_pr_currentCPUIndex, (_cpu)); \
 566         } \
 567     PR_END_MACRO
 568
 569 extern __declspec(thread) PRUintn _pr_ints_off;
 570 extern DWORD _pr_intsOffIndex;
 571
 572 #define _MD_GET_INTSOFF() \
 573     (_pr_use_static_tls ? _pr_ints_off \
 574     : (PRUintn) TlsGetValue(_pr_intsOffIndex))
 575
 576 #define _MD_SET_INTSOFF(_val) \
 577     PR_BEGIN_MACRO \
 578         if (_pr_use_static_tls) { \
 579             _pr_ints_off = (_val); \
 580         } else { \
 581             TlsSetValue(_pr_intsOffIndex, (LPVOID) (_val)); \
 582         } \
 583     PR_END_MACRO
 584
 585 /* --- Initialization stuff --- */
 586 #define _MD_INIT_LOCKS()
 587
 588 /* --- Stack stuff --- */
 589 #define _MD_INIT_STACK(stack, redzone)
 590 #define _MD_CLEAR_STACK(stack)
 591
 592 /* --- Memory-mapped files stuff --- */
 593
 594 struct _MDFileMap {
 595     HANDLE hFileMap;
 596     DWORD dwAccess;
 597 };
 598
 599 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
 600 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap
 601
 602 extern PRInt32 _MD_GetMemMapAlignment(void);
 603 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
 604
 605 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
 606         PRUint32 len);
 607 #define _MD_MEM_MAP _MD_MemMap
 608
 609 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
 610 #define _MD_MEM_UNMAP _MD_MemUnmap
 611
 612 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
 613 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
 614
 615 /* --- Named semaphores stuff --- */
 616 #define _PR_HAVE_NAMED_SEMAPHORES
 617 #define _MD_OPEN_SEMAPHORE            _PR_MD_OPEN_SEMAPHORE
 618 #define _MD_WAIT_SEMAPHORE            _PR_MD_WAIT_SEMAPHORE
 619 #define _MD_POST_SEMAPHORE            _PR_MD_POST_SEMAPHORE
 620 #define _MD_CLOSE_SEMAPHORE           _PR_MD_CLOSE_SEMAPHORE
 621 #define _MD_DELETE_SEMAPHORE(name)    PR_SUCCESS  /* no op */
 622
 623 #endif /* nspr_win32_defs_h___ */