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_win95_defs_h___ 36#define nspr_win95_defs_h___ 37 38#include "prio.h" 39 40#include <windows.h> 41#include <winsock.h> 42#include <errno.h> 43 44/* 45 * Internal configuration macros 46 */ 47 48#define PR_LINKER_ARCH "win32" 49#define _PR_SI_SYSNAME "WIN95" 50#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */ 51 52#define HAVE_DLL 53#undef HAVE_THREAD_AFFINITY 54#define _PR_HAVE_GETADDRINFO 55#define _PR_INET6_PROBE 56#ifndef _PR_INET6 57#define AF_INET6 23 58/* newer ws2tcpip.h provides these */ 59#ifndef AI_CANONNAME 60#define AI_CANONNAME 0x2 61struct addrinfo { 62 int ai_flags; 63 int ai_family; 64 int ai_socktype; 65 int ai_protocol; 66 size_t ai_addrlen; 67 char *ai_canonname; 68 struct sockaddr *ai_addr; 69 struct addrinfo *ai_next; 70}; 71#endif 72#endif 73#define _PR_HAVE_THREADSAFE_GETHOST 74#define _PR_HAVE_ATOMIC_OPS 75#define PR_HAVE_WIN32_NAMED_SHARED_MEMORY 76 77/* --- Common User-Thread/Native-Thread Definitions --------------------- */ 78 79/* --- Globals --- */ 80extern struct PRLock *_pr_schedLock; 81 82/* --- Typedefs --- */ 83typedef void (*FiberFunc)(void *); 84 85#define PR_NUM_GCREGS 8 86typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS]; 87#define GC_VMBASE 0x40000000 88#define GC_VMLIMIT 0x00FFFFFF 89 90#define _MD_MAGIC_THREAD 0x22222222 91#define _MD_MAGIC_THREADSTACK 0x33333333 92#define _MD_MAGIC_SEGMENT 0x44444444 93#define _MD_MAGIC_DIR 0x55555555 94#define _MD_MAGIC_CV 0x66666666 95 96struct _MDCPU { 97 int unused; 98}; 99 100struct _MDThread { 101 HANDLE blocked_sema; /* Threads block on this when waiting 102 * for IO or CondVar. 103 */ 104 PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the 105 * wait queue of some cond var. 106 * PR_FALSE otherwise. */ 107 HANDLE handle; /* Win32 thread handle */ 108 PRUint32 id; 109 void *sp; /* only valid when suspended */ 110 PRUint32 magic; /* for debugging */ 111 PR_CONTEXT_TYPE gcContext; /* Thread context for GC */ 112 struct PRThread *prev, *next; /* used by the cvar wait queue to 113 * chain the PRThread structures 114 * together */ 115 void (*start)(void *); /* used by _PR_MD_CREATE_THREAD to 116 * pass its 'start' argument to 117 * pr_root. */ 118}; 119 120struct _MDThreadStack { 121 PRUint32 magic; /* for debugging */ 122}; 123 124struct _MDSegment { 125 PRUint32 magic; /* for debugging */ 126}; 127 128#undef PROFILE_LOCKS 129 130struct _MDDir { 131 HANDLE d_hdl; 132 WIN32_FIND_DATA d_entry; 133 PRBool firstEntry; /* Is this the entry returned 134 * by FindFirstFile()? */ 135 PRUint32 magic; /* for debugging */ 136}; 137 138#ifdef MOZ_UNICODE 139struct _MDDirUTF16 { 140 HANDLE d_hdl; 141 WIN32_FIND_DATAW d_entry; 142 PRBool firstEntry; /* Is this the entry returned 143 * by FindFirstFileW()? */ 144 PRUint32 magic; /* for debugging */ 145}; 146#endif /* MOZ_UNICODE */ 147 148struct _MDCVar { 149 PRUint32 magic; 150 struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly- 151 * linked list of threads 152 * waiting on this condition 153 * variable */ 154 PRIntn nwait; /* number of threads in the 155 * wait queue */ 156}; 157 158#define _MD_CV_NOTIFIED_LENGTH 6 159typedef struct _MDNotified _MDNotified; 160struct _MDNotified { 161 PRIntn length; /* # of used entries in this 162 * structure */ 163 struct { 164 struct _MDCVar *cv; /* the condition variable notified */ 165 PRIntn times; /* and the number of times notified */ 166 struct PRThread *notifyHead; /* list of threads to wake up */ 167 } cv[_MD_CV_NOTIFIED_LENGTH]; 168 _MDNotified *link; /* link to another of these, or NULL */ 169}; 170 171struct _MDLock { 172 CRITICAL_SECTION mutex; /* this is recursive on NT */ 173 174 /* 175 * When notifying cvars, there is no point in actually 176 * waking up the threads waiting on the cvars until we've 177 * released the lock. So, we temporarily record the cvars. 178 * When doing an unlock, we'll then wake up the waiting threads. 179 */ 180 struct _MDNotified notified; /* array of conditions notified */ 181#ifdef PROFILE_LOCKS 182 PRInt32 hitcount; 183 PRInt32 misscount; 184#endif 185}; 186 187struct _MDSemaphore { 188 HANDLE sem; 189}; 190 191struct _MDFileDesc { 192 PRInt32 osfd; /* The osfd can come from one of three spaces: 193 * - For stdin, stdout, and stderr, we are using 194 * the libc file handle (0, 1, 2), which is an int. 195 * - For files and pipes, we are using Win32 HANDLE, 196 * which is a void*. 197 * - For sockets, we are using Winsock SOCKET, which 198 * is a u_int. 199 */ 200}; 201 202struct _MDProcess { 203 HANDLE handle; 204 DWORD id; 205}; 206 207/* --- Misc stuff --- */ 208#define _MD_GET_SP(thread) (thread)->md.gcContext[6] 209 210/* --- NT security stuff --- */ 211 212extern void _PR_NT_InitSids(void); 213extern void _PR_NT_FreeSids(void); 214extern PRStatus _PR_NT_MakeSecurityDescriptorACL( 215 PRIntn mode, 216 DWORD accessTable[], 217 PSECURITY_DESCRIPTOR *resultSD, 218 PACL *resultACL 219); 220extern void _PR_NT_FreeSecurityDescriptorACL( 221 PSECURITY_DESCRIPTOR pSD, PACL pACL); 222 223/* --- IO stuff --- */ 224 225#define _MD_OPEN _PR_MD_OPEN 226#define _MD_OPEN_FILE _PR_MD_OPEN_FILE 227#define _MD_READ _PR_MD_READ 228#define _MD_WRITE _PR_MD_WRITE 229#define _MD_WRITEV _PR_MD_WRITEV 230#define _MD_LSEEK _PR_MD_LSEEK 231#define _MD_LSEEK64 _PR_MD_LSEEK64 232extern PRInt32 _MD_CloseFile(PRInt32 osfd); 233#define _MD_CLOSE_FILE _MD_CloseFile 234#define _MD_GETFILEINFO _PR_MD_GETFILEINFO 235#define _MD_GETFILEINFO64 _PR_MD_GETFILEINFO64 236#define _MD_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO 237#define _MD_GETOPENFILEINFO64 _PR_MD_GETOPENFILEINFO64 238#define _MD_STAT _PR_MD_STAT 239#define _MD_RENAME _PR_MD_RENAME 240#define _MD_ACCESS _PR_MD_ACCESS 241#define _MD_DELETE _PR_MD_DELETE 242#define _MD_MKDIR _PR_MD_MKDIR 243#define _MD_MAKE_DIR _PR_MD_MAKE_DIR 244#define _MD_RMDIR _PR_MD_RMDIR 245#define _MD_LOCKFILE _PR_MD_LOCKFILE 246#define _MD_TLOCKFILE _PR_MD_TLOCKFILE 247#define _MD_UNLOCKFILE _PR_MD_UNLOCKFILE 248 249#ifdef MOZ_UNICODE 250/* --- UTF16 IO stuff --- */ 251#define _MD_OPEN_FILE_UTF16 _PR_MD_OPEN_FILE_UTF16 252#define _MD_OPEN_DIR_UTF16 _PR_MD_OPEN_DIR_UTF16 253#define _MD_READ_DIR_UTF16 _PR_MD_READ_DIR_UTF16 254#define _MD_CLOSE_DIR_UTF16 _PR_MD_CLOSE_DIR_UTF16 255#define _MD_GETFILEINFO64_UTF16 _PR_MD_GETFILEINFO64_UTF16 256#endif /* MOZ_UNICODE */ 257 258/* --- Socket IO stuff --- */ 259#define _MD_EACCES WSAEACCES 260#define _MD_EADDRINUSE WSAEADDRINUSE 261#define _MD_EADDRNOTAVAIL WSAEADDRNOTAVAIL 262#define _MD_EAFNOSUPPORT WSAEAFNOSUPPORT 263#define _MD_EAGAIN WSAEWOULDBLOCK 264#define _MD_EALREADY WSAEALREADY 265#define _MD_EBADF WSAEBADF 266#define _MD_ECONNREFUSED WSAECONNREFUSED 267#define _MD_ECONNRESET WSAECONNRESET 268#define _MD_EFAULT WSAEFAULT 269#define _MD_EINPROGRESS WSAEINPROGRESS 270#define _MD_EINTR WSAEINTR 271#define _MD_EINVAL EINVAL 272#define _MD_EISCONN WSAEISCONN 273#define _MD_ENETUNREACH WSAENETUNREACH 274#define _MD_ENOENT ENOENT 275#define _MD_ENOTCONN WSAENOTCONN 276#define _MD_ENOTSOCK WSAENOTSOCK 277#define _MD_EOPNOTSUPP WSAEOPNOTSUPP 278#define _MD_EWOULDBLOCK WSAEWOULDBLOCK 279#define _MD_GET_SOCKET_ERROR() WSAGetLastError() 280#define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err) 281 282#define _MD_INIT_FILEDESC(fd) 283extern void _MD_MakeNonblock(PRFileDesc *f); 284#define _MD_MAKE_NONBLOCK _MD_MakeNonblock 285#define _MD_INIT_FD_INHERITABLE _PR_MD_INIT_FD_INHERITABLE 286#define _MD_QUERY_FD_INHERITABLE _PR_MD_QUERY_FD_INHERITABLE 287#define _MD_SHUTDOWN _PR_MD_SHUTDOWN 288#define _MD_LISTEN _PR_MD_LISTEN 289extern PRInt32 _MD_CloseSocket(PRInt32 osfd); 290#define _MD_CLOSE_SOCKET _MD_CloseSocket 291#define _MD_SENDTO _PR_MD_SENDTO 292#define _MD_RECVFROM _PR_MD_RECVFROM 293#define _MD_SOCKETPAIR(s, type, proto, sv) -1 294#define _MD_GETSOCKNAME _PR_MD_GETSOCKNAME 295#define _MD_GETPEERNAME _PR_MD_GETPEERNAME 296#define _MD_GETSOCKOPT _PR_MD_GETSOCKOPT 297#define _MD_SETSOCKOPT _PR_MD_SETSOCKOPT 298#define _MD_SET_FD_INHERITABLE _PR_MD_SET_FD_INHERITABLE 299#define _MD_SELECT select 300#define _MD_FSYNC _PR_MD_FSYNC 301#define READ_FD 1 302#define WRITE_FD 2 303 304#define _MD_INIT_ATOMIC() 305#if defined(_M_IX86) || defined(_X86_) 306#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT 307#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD 308#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT 309#else /* non-x86 processors */ 310#define _MD_ATOMIC_INCREMENT(x) InterlockedIncrement((PLONG)x) 311#define _MD_ATOMIC_ADD(ptr,val) (InterlockedExchangeAdd((PLONG)ptr, (LONG)val) + val) 312#define _MD_ATOMIC_DECREMENT(x) InterlockedDecrement((PLONG)x) 313#endif /* x86 */ 314#define _MD_ATOMIC_SET(x,y) InterlockedExchange((PLONG)x, (LONG)y) 315 316#define _MD_INIT_IO _PR_MD_INIT_IO 317 318 319/* win95 doesn't have async IO */ 320#define _MD_SOCKET _PR_MD_SOCKET 321extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd); 322#define _MD_SOCKETAVAILABLE _MD_SocketAvailable 323#define _MD_PIPEAVAILABLE _PR_MD_PIPEAVAILABLE 324#define _MD_CONNECT _PR_MD_CONNECT 325extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen, 326 PRIntervalTime timeout); 327#define _MD_ACCEPT _MD_Accept 328#define _MD_BIND _PR_MD_BIND 329#define _MD_RECV _PR_MD_RECV 330#define _MD_SEND _PR_MD_SEND 331#define _MD_PR_POLL _PR_MD_PR_POLL 332 333/* --- Scheduler stuff --- */ 334// #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU 335#define _MD_PAUSE_CPU 336 337/* --- DIR stuff --- */ 338#define PR_DIRECTORY_SEPARATOR '\\' 339#define PR_DIRECTORY_SEPARATOR_STR "\\" 340#define PR_PATH_SEPARATOR ';' 341#define PR_PATH_SEPARATOR_STR ";" 342#define _MD_ERRNO() GetLastError() 343#define _MD_OPEN_DIR _PR_MD_OPEN_DIR 344#define _MD_CLOSE_DIR _PR_MD_CLOSE_DIR 345#define _MD_READ_DIR _PR_MD_READ_DIR 346 347/* --- Segment stuff --- */ 348#define _MD_INIT_SEGS() 349#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0 350#define _MD_FREE_SEGMENT(seg) 351 352/* --- Environment Stuff --- */ 353#define _MD_GET_ENV _PR_MD_GET_ENV 354#define _MD_PUT_ENV _PR_MD_PUT_ENV 355 356/* --- Threading Stuff --- */ 357#define _MD_DEFAULT_STACK_SIZE 0 358#define _MD_INIT_THREAD _PR_MD_INIT_THREAD 359#define _MD_INIT_ATTACHED_THREAD _PR_MD_INIT_THREAD 360#define _MD_CREATE_THREAD _PR_MD_CREATE_THREAD 361#define _MD_YIELD _PR_MD_YIELD 362#define _MD_SET_PRIORITY _PR_MD_SET_PRIORITY 363#define _MD_CLEAN_THREAD _PR_MD_CLEAN_THREAD 364#define _MD_SETTHREADAFFINITYMASK _PR_MD_SETTHREADAFFINITYMASK 365#define _MD_GETTHREADAFFINITYMASK _PR_MD_GETTHREADAFFINITYMASK 366#define _MD_EXIT_THREAD _PR_MD_EXIT_THREAD 367#define _MD_EXIT _PR_MD_EXIT 368#define _MD_SUSPEND_THREAD _PR_MD_SUSPEND_THREAD 369#define _MD_RESUME_THREAD _PR_MD_RESUME_THREAD 370#define _MD_SUSPEND_CPU _PR_MD_SUSPEND_CPU 371#define _MD_RESUME_CPU _PR_MD_RESUME_CPU 372#define _MD_BEGIN_SUSPEND_ALL() 373#define _MD_BEGIN_RESUME_ALL() 374#define _MD_END_SUSPEND_ALL() 375#define _MD_END_RESUME_ALL() 376 377/* --- Lock stuff --- */ 378#define _PR_LOCK _MD_LOCK 379#define _PR_UNLOCK _MD_UNLOCK 380 381#define _MD_NEW_LOCK(lock) (InitializeCriticalSection(&((lock)->mutex)),(lock)->notified.length=0,(lock)->notified.link=NULL,PR_SUCCESS) 382#define _MD_FREE_LOCK(lock) DeleteCriticalSection(&((lock)->mutex)) 383#define _MD_LOCK(lock) EnterCriticalSection(&((lock)->mutex)) 384#define _MD_TEST_AND_LOCK(lock) (EnterCriticalSection(&((lock)->mutex)),0) 385#define _MD_UNLOCK _PR_MD_UNLOCK 386 387/* --- lock and cv waiting --- */ 388#define _MD_WAIT _PR_MD_WAIT 389#define _MD_WAKEUP_WAITER _PR_MD_WAKEUP_WAITER 390 391/* --- CVar ------------------- */ 392#define _MD_WAIT_CV _PR_MD_WAIT_CV 393#define _MD_NEW_CV _PR_MD_NEW_CV 394#define _MD_FREE_CV _PR_MD_FREE_CV 395#define _MD_NOTIFY_CV _PR_MD_NOTIFY_CV 396#define _MD_NOTIFYALL_CV _PR_MD_NOTIFYALL_CV 397 398 /* XXXMB- the IOQ stuff is certainly not working correctly yet. */ 399// extern struct _MDLock _pr_ioq_lock; 400#define _MD_IOQ_LOCK() 401#define _MD_IOQ_UNLOCK() 402 403 404/* --- Initialization stuff --- */ 405#define _MD_START_INTERRUPTS() 406#define _MD_STOP_INTERRUPTS() 407#define _MD_DISABLE_CLOCK_INTERRUPTS() 408#define _MD_ENABLE_CLOCK_INTERRUPTS() 409#define _MD_BLOCK_CLOCK_INTERRUPTS() 410#define _MD_UNBLOCK_CLOCK_INTERRUPTS() 411#define _MD_EARLY_INIT _PR_MD_EARLY_INIT 412#define _MD_FINAL_INIT() 413#define _MD_INIT_CPUS() 414#define _MD_INIT_RUNNING_CPU(cpu) 415 416struct PRProcess; 417struct PRProcessAttr; 418 419#define _MD_CREATE_PROCESS _PR_CreateWindowsProcess 420extern struct PRProcess * _PR_CreateWindowsProcess( 421 const char *path, 422 char *const *argv, 423 char *const *envp, 424 const struct PRProcessAttr *attr 425); 426 427#define _MD_DETACH_PROCESS _PR_DetachWindowsProcess 428extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process); 429 430/* --- Wait for a child process to terminate --- */ 431#define _MD_WAIT_PROCESS _PR_WaitWindowsProcess 432extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process, 433 PRInt32 *exitCode); 434 435#define _MD_KILL_PROCESS _PR_KillWindowsProcess 436extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process); 437 438#define _MD_CLEANUP_BEFORE_EXIT _PR_MD_CLEANUP_BEFORE_EXIT 439#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \ 440 PR_BEGIN_MACRO \ 441 *status = PR_TRUE; \ 442 PR_END_MACRO 443#define _MD_SWITCH_CONTEXT 444#define _MD_RESTORE_CONTEXT 445 446/* --- Intervals --- */ 447#define _MD_INTERVAL_INIT _PR_MD_INTERVAL_INIT 448#define _MD_GET_INTERVAL _PR_MD_GET_INTERVAL 449#define _MD_INTERVAL_PER_SEC _PR_MD_INTERVAL_PER_SEC 450#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000) 451#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000) 452 453/* --- Time --- */ 454extern void _PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm); 455 456/* --- Native-Thread Specific Definitions ------------------------------- */ 457 458extern struct PRThread * _MD_CURRENT_THREAD(void); 459 460#ifdef _PR_USE_STATIC_TLS 461extern __declspec(thread) struct PRThread *_pr_currentThread; 462#define _MD_GET_ATTACHED_THREAD() _pr_currentThread 463#define _MD_SET_CURRENT_THREAD(_thread) (_pr_currentThread = (_thread)) 464 465extern __declspec(thread) struct PRThread *_pr_thread_last_run; 466#define _MD_LAST_THREAD() _pr_thread_last_run 467#define _MD_SET_LAST_THREAD(_thread) (_pr_thread_last_run = 0) 468 469extern __declspec(thread) struct _PRCPU *_pr_currentCPU; 470#define _MD_CURRENT_CPU() _pr_currentCPU 471#define _MD_SET_CURRENT_CPU(_cpu) (_pr_currentCPU = 0) 472#else /* _PR_USE_STATIC_TLS */ 473extern DWORD _pr_currentThreadIndex; 474#define _MD_GET_ATTACHED_THREAD() ((PRThread *) TlsGetValue(_pr_currentThreadIndex)) 475#define _MD_SET_CURRENT_THREAD(_thread) TlsSetValue(_pr_currentThreadIndex, (_thread)) 476 477extern DWORD _pr_lastThreadIndex; 478#define _MD_LAST_THREAD() ((PRThread *) TlsGetValue(_pr_lastThreadIndex)) 479#define _MD_SET_LAST_THREAD(_thread) TlsSetValue(_pr_lastThreadIndex, 0) 480 481extern DWORD _pr_currentCPUIndex; 482#define _MD_CURRENT_CPU() ((struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex)) 483#define _MD_SET_CURRENT_CPU(_cpu) TlsSetValue(_pr_currentCPUIndex, 0) 484#endif /* _PR_USE_STATIC_TLS */ 485 486/* --- Scheduler stuff --- */ 487#define LOCK_SCHEDULER() 0 488#define UNLOCK_SCHEDULER() 0 489#define _PR_LockSched() 0 490#define _PR_UnlockSched() 0 491 492/* --- Initialization stuff --- */ 493#define _MD_INIT_LOCKS() 494 495/* --- Stack stuff --- */ 496#define _MD_INIT_STACK(stack, redzone) 497#define _MD_CLEAR_STACK(stack) 498 499/* --- Memory-mapped files stuff --- */ 500 501struct _MDFileMap { 502 HANDLE hFileMap; 503 DWORD dwAccess; 504}; 505 506extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size); 507#define _MD_CREATE_FILE_MAP _MD_CreateFileMap 508 509extern PRInt32 _MD_GetMemMapAlignment(void); 510#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment 511 512extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset, 513 PRUint32 len); 514#define _MD_MEM_MAP _MD_MemMap 515 516extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size); 517#define _MD_MEM_UNMAP _MD_MemUnmap 518 519extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap); 520#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap 521 522/* --- Named semaphores stuff --- */ 523#define _PR_HAVE_NAMED_SEMAPHORES 524#define _MD_OPEN_SEMAPHORE _PR_MD_OPEN_SEMAPHORE 525#define _MD_WAIT_SEMAPHORE _PR_MD_WAIT_SEMAPHORE 526#define _MD_POST_SEMAPHORE _PR_MD_POST_SEMAPHORE 527#define _MD_CLOSE_SEMAPHORE _PR_MD_CLOSE_SEMAPHORE 528#define _MD_DELETE_SEMAPHORE(name) PR_SUCCESS /* no op */ 529 530#endif /* nspr_win32_defs_h___ */ 531