nsprpub/pr/include/md/_winnt.h@44a2da4a2ab2
nsprpub/pr/include/md/_winnt.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
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_win32_defs_h___
7 #define nspr_win32_defs_h___
9 /* Need to force service-pack 3 extensions to be defined by
10 ** setting _WIN32_WINNT to NT 4.0 for winsock.h, winbase.h, winnt.h.
11 */
12 #ifndef _WIN32_WINNT
13 #define _WIN32_WINNT 0x0400
14 #elif (_WIN32_WINNT < 0x0400)
15 #undef _WIN32_WINNT
16 #define _WIN32_WINNT 0x0400
17 #endif /* _WIN32_WINNT */
19 #include <windows.h>
20 #include <winsock.h>
21 #ifdef __MINGW32__
22 #include <mswsock.h>
23 #endif
24 #include <errno.h>
26 #include "prio.h"
27 #include "prclist.h"
29 /*
30 * Internal configuration macros
31 */
33 #define PR_LINKER_ARCH "win32"
34 #define _PR_SI_SYSNAME "WINNT"
35 #if defined(_M_IX86) || defined(_X86_)
36 #define _PR_SI_ARCHITECTURE "x86"
37 #elif defined(_M_X64) || defined(_M_AMD64) || defined(_AMD64_)
38 #define _PR_SI_ARCHITECTURE "x86-64"
39 #elif defined(_M_IA64) || defined(_IA64_)
40 #define _PR_SI_ARCHITECTURE "ia64"
41 #else
42 #error unknown processor architecture
43 #endif
45 #define HAVE_DLL
46 #define HAVE_CUSTOM_USER_THREADS
47 #define HAVE_THREAD_AFFINITY
48 #define _PR_HAVE_GETADDRINFO
49 #define _PR_INET6_PROBE
50 #ifndef _PR_INET6
51 #define AF_INET6 23
52 /* newer ws2tcpip.h provides these */
53 #ifndef AI_CANONNAME
54 #define AI_CANONNAME 0x2
55 #define AI_NUMERICHOST 0x4
56 #define NI_NUMERICHOST 0x02
57 struct addrinfo {
58 int ai_flags;
59 int ai_family;
60 int ai_socktype;
61 int ai_protocol;
62 size_t ai_addrlen;
63 char *ai_canonname;
64 struct sockaddr *ai_addr;
65 struct addrinfo *ai_next;
66 };
67 #endif
68 #define _PR_HAVE_MD_SOCKADDR_IN6
69 /* isomorphic to struct in6_addr on Windows */
70 struct _md_in6_addr {
71 union {
72 PRUint8 _S6_u8[16];
73 PRUint16 _S6_u16[8];
74 } _S6_un;
75 };
76 /* isomorphic to struct sockaddr_in6 on Windows */
77 struct _md_sockaddr_in6 {
78 PRInt16 sin6_family;
79 PRUint16 sin6_port;
80 PRUint32 sin6_flowinfo;
81 struct _md_in6_addr sin6_addr;
82 PRUint32 sin6_scope_id;
83 };
84 #endif
85 #define _PR_HAVE_THREADSAFE_GETHOST
86 #define _PR_HAVE_ATOMIC_OPS
87 #if defined(_M_IX86) || defined(_X86_)
88 #define _PR_HAVE_ATOMIC_CAS
89 #endif
90 #define PR_HAVE_WIN32_NAMED_SHARED_MEMORY
91 #define _PR_HAVE_PEEK_BUFFER
92 #define _PR_PEEK_BUFFER_MAX (32 * 1024)
93 #define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) \
94 (!(fd)->secret->nonblocking && (fd)->secret->inheritable != _PR_TRI_TRUE)
95 #define _PR_NEED_SECRET_AF
97 /* --- Common User-Thread/Native-Thread Definitions --------------------- */
99 /* --- Globals --- */
100 extern struct PRLock *_pr_schedLock;
102 /* --- Typedefs --- */
103 typedef void (*FiberFunc)(void *);
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
110 #define _MD_MAGIC_THREAD 0x22222222
111 #define _MD_MAGIC_THREADSTACK 0x33333333
112 #define _MD_MAGIC_SEGMENT 0x44444444
113 #define _MD_MAGIC_DIR 0x55555555
115 struct _MDCPU {
116 int unused;
117 };
119 enum _MDIOModel {
120 _MD_BlockingIO = 0x38,
121 _MD_MultiWaitIO = 0x49
122 };
124 typedef struct _MDOverlapped {
125 OVERLAPPED overlapped; /* Used for async I/O */
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;
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 */
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 };
180 struct _MDThreadStack {
181 PRUint32 magic; /* for debugging */
182 };
184 struct _MDSegment {
185 PRUint32 magic; /* for debugging */
186 };
188 #undef PROFILE_LOCKS
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 };
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 };
206 struct _MDCVar {
207 PRUint32 unused;
208 };
210 struct _MDSemaphore {
211 HANDLE sem;
212 };
214 struct _MDFileDesc {
215 PROsfd 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 };
240 struct _MDProcess {
241 HANDLE handle;
242 DWORD id;
243 };
246 /* --- Misc stuff --- */
247 #define _MD_GET_SP(thread) (thread)->md.gcContext[6]
249 /* --- NT security stuff --- */
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);
262 /* --- IO stuff --- */
264 extern PRInt32 _md_Associate(HANDLE);
265 extern PRInt32 _PR_MD_CLOSE(PROsfd osfd, PRBool socket);
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
290 /* --- Socket IO stuff --- */
291 #define _MD_GET_SOCKET_ERROR() WSAGetLastError()
292 #define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
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
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)
328 #define _MD_INIT_IO _PR_MD_INIT_IO
329 #define _MD_SOCKET _PR_MD_SOCKET
330 #define _MD_CONNECT _PR_MD_CONNECT
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
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
348 /* --- Scheduler stuff --- */
349 #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU
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
361 /* --- Segment stuff --- */
362 #define _MD_INIT_SEGS()
363 #define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
364 #define _MD_FREE_SEGMENT(seg)
366 /* --- Environment Stuff --- */
367 #define _MD_GET_ENV _PR_MD_GET_ENV
368 #define _MD_PUT_ENV _PR_MD_PUT_ENV
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_SET_CURRENT_THREAD_NAME _PR_MD_SET_CURRENT_THREAD_NAME
380 #define _MD_CLEAN_THREAD _PR_MD_CLEAN_THREAD
381 #define _MD_SETTHREADAFFINITYMASK _PR_MD_SETTHREADAFFINITYMASK
382 #define _MD_GETTHREADAFFINITYMASK _PR_MD_GETTHREADAFFINITYMASK
383 #define _MD_EXIT_THREAD _PR_MD_EXIT_THREAD
384 #define _MD_SUSPEND_THREAD _PR_MD_SUSPEND_THREAD
385 #define _MD_RESUME_THREAD _PR_MD_RESUME_THREAD
386 #define _MD_SUSPEND_CPU _PR_MD_SUSPEND_CPU
387 #define _MD_RESUME_CPU _PR_MD_RESUME_CPU
388 #define _MD_BEGIN_SUSPEND_ALL()
389 #define _MD_BEGIN_RESUME_ALL()
390 #define _MD_END_SUSPEND_ALL()
391 #define _MD_END_RESUME_ALL()
393 extern void _PR_Unblock_IO_Wait(PRThread *thr);
395 /* --- Lock stuff --- */
396 #define _MD_NEW_LOCK(lock) (InitializeCriticalSection(&((lock)->mutex)),PR_SUCCESS)
397 #define _MD_FREE_LOCK(lock) DeleteCriticalSection(&((lock)->mutex))
398 #ifndef PROFILE_LOCKS
399 #define _MD_LOCK(lock) EnterCriticalSection(&((lock)->mutex))
400 #define _MD_TEST_AND_LOCK(lock) (TryEnterCriticalSection(&((lock)->mutex))== FALSE)
401 #define _MD_UNLOCK(lock) LeaveCriticalSection(&((lock)->mutex))
402 #else
403 #define _MD_LOCK(lock) \
404 PR_BEGIN_MACRO \
405 BOOL rv = TryEnterCriticalSection(&((lock)->mutex)); \
406 if (rv == TRUE) { \
407 InterlockedIncrement(&((lock)->hitcount)); \
408 } else { \
409 InterlockedIncrement(&((lock)->misscount)); \
410 EnterCriticalSection(&((lock)->mutex)); \
411 } \
412 PR_END_MACRO
413 #define _MD_TEST_AND_LOCK(lock) 0 /* XXXMB */
414 #define _MD_UNLOCK(lock) LeaveCriticalSection(&((lock)->mutex))
415 #endif
416 #define _PR_LOCK _MD_LOCK
417 #define _PR_UNLOCK _MD_UNLOCK
419 /* --- lock and cv waiting --- */
420 #define _MD_WAIT _PR_MD_WAIT
421 #define _MD_WAKEUP_WAITER _PR_MD_WAKEUP_WAITER
423 /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
424 extern struct _MDLock _pr_ioq_lock;
425 #define _MD_IOQ_LOCK() _MD_LOCK(&_pr_ioq_lock)
426 #define _MD_IOQ_UNLOCK() _MD_UNLOCK(&_pr_ioq_lock)
429 /* --- Initialization stuff --- */
430 #define _MD_START_INTERRUPTS()
431 #define _MD_STOP_INTERRUPTS()
432 #define _MD_DISABLE_CLOCK_INTERRUPTS()
433 #define _MD_ENABLE_CLOCK_INTERRUPTS()
434 #define _MD_BLOCK_CLOCK_INTERRUPTS()
435 #define _MD_UNBLOCK_CLOCK_INTERRUPTS()
436 #define _MD_EARLY_INIT _PR_MD_EARLY_INIT
437 #define _MD_FINAL_INIT()
438 #define _MD_EARLY_CLEANUP()
439 #define _MD_INIT_CPUS()
440 #define _MD_INIT_RUNNING_CPU(cpu)
442 struct PRProcess;
443 struct PRProcessAttr;
445 /* --- Create a new process --- */
446 #define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
447 extern struct PRProcess * _PR_CreateWindowsProcess(
448 const char *path,
449 char *const *argv,
450 char *const *envp,
451 const struct PRProcessAttr *attr
452 );
454 #define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
455 extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);
457 /* --- Wait for a child process to terminate --- */
458 #define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
459 extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process,
460 PRInt32 *exitCode);
462 #define _MD_KILL_PROCESS _PR_KillWindowsProcess
463 extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
465 /* --- User Threading stuff --- */
466 #define HAVE_FIBERS
467 #define _MD_CREATE_USER_THREAD _PR_MD_CREATE_USER_THREAD
468 #define _MD_CREATE_PRIMORDIAL_USER_THREAD _PR_MD_CREATE_PRIMORDIAL_USER_THREAD
469 #define _MD_CLEANUP_BEFORE_EXIT _PR_MD_CLEANUP_BEFORE_EXIT
470 #define _MD_EXIT _PR_MD_EXIT
471 #define _MD_INIT_CONTEXT _PR_MD_INIT_CONTEXT
472 #define _MD_SWITCH_CONTEXT _PR_MD_SWITCH_CONTEXT
473 #define _MD_RESTORE_CONTEXT _PR_MD_RESTORE_CONTEXT
475 /* --- Intervals --- */
476 #define _MD_INTERVAL_INIT _PR_MD_INTERVAL_INIT
477 #define _MD_GET_INTERVAL _PR_MD_GET_INTERVAL
478 #define _MD_INTERVAL_PER_SEC _PR_MD_INTERVAL_PER_SEC
479 #define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
480 #define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
482 /* --- Time --- */
483 extern void _PR_FileTimeToPRTime(const FILETIME *filetime, PRTime *prtm);
485 /* --- Native-Thread Specific Definitions ------------------------------- */
487 extern BOOL _pr_use_static_tls;
489 extern __declspec(thread) struct PRThread *_pr_current_fiber;
490 extern DWORD _pr_currentFiberIndex;
492 #define _MD_GET_ATTACHED_THREAD() \
493 (_pr_use_static_tls ? _pr_current_fiber \
494 : (PRThread *) TlsGetValue(_pr_currentFiberIndex))
496 extern struct PRThread * _MD_CURRENT_THREAD(void);
498 #define _MD_SET_CURRENT_THREAD(_thread) \
499 PR_BEGIN_MACRO \
500 if (_pr_use_static_tls) { \
501 _pr_current_fiber = (_thread); \
502 } else { \
503 TlsSetValue(_pr_currentFiberIndex, (_thread)); \
504 } \
505 PR_END_MACRO
507 extern __declspec(thread) struct PRThread *_pr_fiber_last_run;
508 extern DWORD _pr_lastFiberIndex;
510 #define _MD_LAST_THREAD() \
511 (_pr_use_static_tls ? _pr_fiber_last_run \
512 : (PRThread *) TlsGetValue(_pr_lastFiberIndex))
514 #define _MD_SET_LAST_THREAD(_thread) \
515 PR_BEGIN_MACRO \
516 if (_pr_use_static_tls) { \
517 _pr_fiber_last_run = (_thread); \
518 } else { \
519 TlsSetValue(_pr_lastFiberIndex, (_thread)); \
520 } \
521 PR_END_MACRO
523 extern __declspec(thread) struct _PRCPU *_pr_current_cpu;
524 extern DWORD _pr_currentCPUIndex;
526 #define _MD_CURRENT_CPU() \
527 (_pr_use_static_tls ? _pr_current_cpu \
528 : (struct _PRCPU *) TlsGetValue(_pr_currentCPUIndex))
530 #define _MD_SET_CURRENT_CPU(_cpu) \
531 PR_BEGIN_MACRO \
532 if (_pr_use_static_tls) { \
533 _pr_current_cpu = (_cpu); \
534 } else { \
535 TlsSetValue(_pr_currentCPUIndex, (_cpu)); \
536 } \
537 PR_END_MACRO
539 extern __declspec(thread) PRUintn _pr_ints_off;
540 extern DWORD _pr_intsOffIndex;
542 #define _MD_GET_INTSOFF() \
543 (_pr_use_static_tls ? _pr_ints_off \
544 : (PRUintn) TlsGetValue(_pr_intsOffIndex))
546 #define _MD_SET_INTSOFF(_val) \
547 PR_BEGIN_MACRO \
548 if (_pr_use_static_tls) { \
549 _pr_ints_off = (_val); \
550 } else { \
551 TlsSetValue(_pr_intsOffIndex, (LPVOID) (_val)); \
552 } \
553 PR_END_MACRO
555 /* --- Initialization stuff --- */
556 #define _MD_INIT_LOCKS()
558 /* --- Stack stuff --- */
559 #define _MD_INIT_STACK(stack, redzone)
560 #define _MD_CLEAR_STACK(stack)
562 /* --- Memory-mapped files stuff --- */
564 struct _MDFileMap {
565 HANDLE hFileMap;
566 DWORD dwAccess;
567 };
569 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
570 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap
572 extern PRInt32 _MD_GetMemMapAlignment(void);
573 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
575 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
576 PRUint32 len);
577 #define _MD_MEM_MAP _MD_MemMap
579 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
580 #define _MD_MEM_UNMAP _MD_MemUnmap
582 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
583 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
585 extern PRStatus _MD_SyncMemMap(
586 PRFileDesc *fd,
587 void *addr,
588 PRUint32 len);
589 #define _MD_SYNC_MEM_MAP _MD_SyncMemMap
591 /* --- Named semaphores stuff --- */
592 #define _PR_HAVE_NAMED_SEMAPHORES
593 #define _MD_OPEN_SEMAPHORE _PR_MD_OPEN_SEMAPHORE
594 #define _MD_WAIT_SEMAPHORE _PR_MD_WAIT_SEMAPHORE
595 #define _MD_POST_SEMAPHORE _PR_MD_POST_SEMAPHORE
596 #define _MD_CLOSE_SEMAPHORE _PR_MD_CLOSE_SEMAPHORE
597 #define _MD_DELETE_SEMAPHORE(name) PR_SUCCESS /* no op */
599 #endif /* nspr_win32_defs_h___ */
