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 76struct 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 --- */ 100extern struct PRLock *_pr_schedLock; 101 102/* --- Typedefs --- */ 103typedef void (*FiberFunc)(void *); 104 105#define PR_NUM_GCREGS 8 106typedef 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 115struct _MDCPU { 116 int unused; 117}; 118 119enum _MDIOModel { 120 _MD_BlockingIO = 0x38, 121 _MD_MultiWaitIO = 0x49 122}; 123 124typedef 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 148struct _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 180struct _MDThreadStack { 181 PRUint32 magic; /* for debugging */ 182}; 183 184struct _MDSegment { 185 PRUint32 magic; /* for debugging */ 186}; 187 188#undef PROFILE_LOCKS 189 190struct _MDLock { 191 CRITICAL_SECTION mutex; /* this is recursive on NT */ 192#ifdef PROFILE_LOCKS 193 PRInt32 hitcount; 194 PRInt32 misscount; 195#endif 196}; 197 198struct _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 206struct _MDCVar { 207 PRUint32 unused; 208}; 209 210struct _MDSemaphore { 211 HANDLE sem; 212}; 213 214struct _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 240struct _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 251extern void _PR_NT_InitSids(void); 252extern void _PR_NT_FreeSids(void); 253extern PRStatus _PR_NT_MakeSecurityDescriptorACL( 254 PRIntn mode, 255 DWORD accessTable[], 256 PSECURITY_DESCRIPTOR *resultSD, 257 PACL *resultACL 258); 259extern void _PR_NT_FreeSecurityDescriptorACL( 260 PSECURITY_DESCRIPTOR pSD, PACL pACL); 261 262/* --- IO stuff --- */ 263 264extern PRInt32 _md_Associate(HANDLE); 265extern 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 309extern 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 392extern 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. */ 423extern 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 440struct PRProcess; 441struct PRProcessAttr; 442 443/* --- Create a new process --- */ 444#define _MD_CREATE_PROCESS _PR_CreateWindowsProcess 445extern 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 453extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process); 454 455/* --- Wait for a child process to terminate --- */ 456#define _MD_WAIT_PROCESS _PR_WaitWindowsProcess 457extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process, 458 PRInt32 *exitCode); 459 460#define _MD_KILL_PROCESS _PR_KillWindowsProcess 461extern 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 --- */ 481extern void _PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm); 482 483/* --- Native-Thread Specific Definitions ------------------------------- */ 484 485extern BOOL _pr_use_static_tls; 486 487extern __declspec(thread) struct PRThread *_pr_current_fiber; 488extern DWORD _pr_currentFiberIndex; 489 490#define _MD_GET_ATTACHED_THREAD() \ 491 (_pr_use_static_tls ? _pr_current_fiber \ 492 : (PRThread *) TlsGetValue(_pr_currentFiberIndex)) 493 494extern 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 505extern __declspec(thread) struct PRThread *_pr_fiber_last_run; 506extern 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 521extern __declspec(thread) struct _PRCPU *_pr_current_cpu; 522extern 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 537extern __declspec(thread) PRUintn _pr_ints_off; 538extern 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 562struct _MDFileMap { 563 HANDLE hFileMap; 564 DWORD dwAccess; 565}; 566 567extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size); 568#define _MD_CREATE_FILE_MAP _MD_CreateFileMap 569 570extern PRInt32 _MD_GetMemMapAlignment(void); 571#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment 572 573extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset, 574 PRUint32 len); 575#define _MD_MEM_MAP _MD_MemMap 576 577extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size); 578#define _MD_MEM_UNMAP _MD_MemUnmap 579 580extern 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___ */ 592