push ca931951dc5f3f050707cce013d2412130f45f11
[wine/hacks.git] / dlls / ntdll / thread.c
blob0c73ffd9611295ec0fe9dc294b3464a9ec6ed4df
1 /*
2 * NT threads support
4 * Copyright 1996, 2003 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "config.h"
22 #include "wine/port.h"
24 #include <assert.h>
25 #include <stdarg.h>
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_MMAN_H
28 #include <sys/mman.h>
29 #endif
30 #ifdef HAVE_SYS_TIMES_H
31 #include <sys/times.h>
32 #endif
34 #define NONAMELESSUNION
35 #include "ntstatus.h"
36 #define WIN32_NO_STATUS
37 #include "winternl.h"
38 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/debug.h"
41 #include "ntdll_misc.h"
42 #include "ddk/wdm.h"
43 #include "wine/exception.h"
45 WINE_DEFAULT_DEBUG_CHANNEL(thread);
46 WINE_DECLARE_DEBUG_CHANNEL(relay);
48 struct _KUSER_SHARED_DATA *user_shared_data = NULL;
50 PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter = NULL;
52 /* info passed to a starting thread */
53 struct startup_info
55 TEB *teb;
56 PRTL_THREAD_START_ROUTINE entry_point;
57 void *entry_arg;
60 static PEB_LDR_DATA ldr;
61 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
62 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
63 static RTL_BITMAP tls_bitmap;
64 static RTL_BITMAP tls_expansion_bitmap;
65 static RTL_BITMAP fls_bitmap;
66 static LIST_ENTRY tls_links;
67 static size_t sigstack_total_size;
68 static ULONG sigstack_zero_bits;
69 static int nb_threads = 1;
71 static RTL_CRITICAL_SECTION ldt_section;
72 static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
74 0, 0, &ldt_section,
75 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
76 0, 0, { (DWORD_PTR)(__FILE__ ": ldt_section") }
78 static RTL_CRITICAL_SECTION ldt_section = { &critsect_debug, -1, 0, 0, 0, 0 };
79 static sigset_t ldt_sigset;
81 /***********************************************************************
82 * locking for LDT routines
84 static void ldt_lock(void)
86 sigset_t sigset;
88 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
89 RtlEnterCriticalSection( &ldt_section );
90 if (ldt_section.RecursionCount == 1) ldt_sigset = sigset;
93 static void ldt_unlock(void)
95 if (ldt_section.RecursionCount == 1)
97 sigset_t sigset = ldt_sigset;
98 RtlLeaveCriticalSection( &ldt_section );
99 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
101 else RtlLeaveCriticalSection( &ldt_section );
105 /***********************************************************************
106 * init_teb
108 static inline NTSTATUS init_teb( TEB *teb )
110 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
112 teb->Tib.ExceptionList = (void *)~0UL;
113 teb->Tib.StackBase = (void *)~0UL;
114 teb->Tib.Self = &teb->Tib;
115 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
116 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
118 if (!(thread_data->fs = wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS;
119 thread_data->request_fd = -1;
120 thread_data->reply_fd = -1;
121 thread_data->wait_fd[0] = -1;
122 thread_data->wait_fd[1] = -1;
124 return STATUS_SUCCESS;
128 /***********************************************************************
129 * fix_unicode_string
131 * Make sure the unicode string doesn't point beyond the end pointer
133 static inline void fix_unicode_string( UNICODE_STRING *str, const char *end_ptr )
135 if ((char *)str->Buffer >= end_ptr)
137 str->Length = str->MaximumLength = 0;
138 str->Buffer = NULL;
139 return;
141 if ((char *)str->Buffer + str->MaximumLength > end_ptr)
143 str->MaximumLength = (end_ptr - (char *)str->Buffer) & ~(sizeof(WCHAR) - 1);
145 if (str->Length >= str->MaximumLength)
147 if (str->MaximumLength >= sizeof(WCHAR))
148 str->Length = str->MaximumLength - sizeof(WCHAR);
149 else
150 str->Length = str->MaximumLength = 0;
155 /***********************************************************************
156 * init_user_process_params
158 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
160 static NTSTATUS init_user_process_params( SIZE_T info_size, HANDLE *exe_file )
162 void *ptr;
163 SIZE_T env_size;
164 NTSTATUS status;
165 RTL_USER_PROCESS_PARAMETERS *params = NULL;
167 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
168 MEM_COMMIT, PAGE_READWRITE );
169 if (status != STATUS_SUCCESS) return status;
171 params->AllocationSize = info_size;
172 NtCurrentTeb()->Peb->ProcessParameters = params;
174 SERVER_START_REQ( get_startup_info )
176 wine_server_set_reply( req, params, info_size );
177 if (!(status = wine_server_call( req )))
179 info_size = wine_server_reply_size( reply );
180 *exe_file = wine_server_ptr_handle( reply->exe_file );
181 params->hStdInput = wine_server_ptr_handle( reply->hstdin );
182 params->hStdOutput = wine_server_ptr_handle( reply->hstdout );
183 params->hStdError = wine_server_ptr_handle( reply->hstderr );
186 SERVER_END_REQ;
187 if (status != STATUS_SUCCESS) return status;
189 if (params->Size > info_size) params->Size = info_size;
191 /* make sure the strings are valid */
192 fix_unicode_string( &params->CurrentDirectory.DosPath, (char *)info_size );
193 fix_unicode_string( &params->DllPath, (char *)info_size );
194 fix_unicode_string( &params->ImagePathName, (char *)info_size );
195 fix_unicode_string( &params->CommandLine, (char *)info_size );
196 fix_unicode_string( &params->WindowTitle, (char *)info_size );
197 fix_unicode_string( &params->Desktop, (char *)info_size );
198 fix_unicode_string( &params->ShellInfo, (char *)info_size );
199 fix_unicode_string( &params->RuntimeInfo, (char *)info_size );
201 /* environment needs to be a separate memory block */
202 env_size = info_size - params->Size;
203 if (!env_size) env_size = 1;
204 ptr = NULL;
205 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &env_size,
206 MEM_COMMIT, PAGE_READWRITE );
207 if (status != STATUS_SUCCESS) return status;
208 memcpy( ptr, (char *)params + params->Size, info_size - params->Size );
209 params->Environment = ptr;
211 RtlNormalizeProcessParams( params );
212 return status;
216 /***********************************************************************
217 * thread_init
219 * Setup the initial thread.
221 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
223 HANDLE thread_init(void)
225 PEB *peb;
226 TEB *teb;
227 void *addr;
228 SIZE_T size, info_size;
229 HANDLE exe_file = 0;
230 LARGE_INTEGER now;
231 struct ntdll_thread_data *thread_data;
232 static struct debug_info debug_info; /* debug info for initial thread */
234 virtual_init();
236 /* reserve space for shared user data */
238 addr = (void *)0x7ffe0000;
239 size = 0x10000;
240 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
241 user_shared_data = addr;
243 /* allocate and initialize the PEB */
245 addr = NULL;
246 size = sizeof(*peb);
247 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
248 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
249 peb = addr;
251 peb->NumberOfProcessors = 1;
252 peb->ProcessParameters = &params;
253 peb->TlsBitmap = &tls_bitmap;
254 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
255 peb->FlsBitmap = &fls_bitmap;
256 peb->LdrData = &ldr;
257 params.CurrentDirectory.DosPath.Buffer = current_dir;
258 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
259 params.wShowWindow = 1; /* SW_SHOWNORMAL */
260 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
261 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
262 sizeof(peb->TlsExpansionBitmapBits) * 8 );
263 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
264 InitializeListHead( &peb->FlsListHead );
265 InitializeListHead( &ldr.InLoadOrderModuleList );
266 InitializeListHead( &ldr.InMemoryOrderModuleList );
267 InitializeListHead( &ldr.InInitializationOrderModuleList );
268 InitializeListHead( &tls_links );
270 /* allocate and initialize the initial TEB */
272 sigstack_total_size = get_signal_stack_total_size();
273 while (1U << sigstack_zero_bits < sigstack_total_size) sigstack_zero_bits++;
274 assert( 1U << sigstack_zero_bits == sigstack_total_size ); /* must be a power of 2 */
275 assert( sigstack_total_size >= sizeof(TEB) + sizeof(struct startup_info) );
277 addr = NULL;
278 size = sigstack_total_size;
279 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
280 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
281 teb = addr;
282 teb->Peb = peb;
283 init_teb( teb );
284 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
285 thread_data->debug_info = &debug_info;
286 InsertHeadList( &tls_links, &teb->TlsLinks );
288 signal_init_thread( teb );
289 virtual_init_threading();
291 debug_info.str_pos = debug_info.strings;
292 debug_info.out_pos = debug_info.output;
293 debug_init();
295 /* setup the server connection */
296 server_init_process();
297 info_size = server_init_thread( peb );
299 /* create the process heap */
300 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
302 MESSAGE( "wine: failed to create the process heap\n" );
303 exit(1);
306 /* allocate user parameters */
307 if (info_size)
309 init_user_process_params( info_size, &exe_file );
311 else
313 /* This is wine specific: we have no parent (we're started from unix)
314 * so, create a simple console with bare handles to unix stdio
316 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, &params.hStdInput );
317 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdOutput );
318 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, &params.hStdError );
321 /* initialize LDT locking */
322 wine_ldt_init_locking( ldt_lock, ldt_unlock );
324 /* initialize time values in user_shared_data */
325 NtQuerySystemTime( &now );
326 user_shared_data->SystemTime.LowPart = now.u.LowPart;
327 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
328 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
329 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
330 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
331 user_shared_data->TickCountMultiplier = 1 << 24;
333 return exe_file;
337 /***********************************************************************
338 * abort_thread
340 void abort_thread( int status )
342 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
343 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
345 close( ntdll_get_thread_data()->wait_fd[0] );
346 close( ntdll_get_thread_data()->wait_fd[1] );
347 close( ntdll_get_thread_data()->reply_fd );
348 close( ntdll_get_thread_data()->request_fd );
349 pthread_exit( UIntToPtr(status) );
353 /***********************************************************************
354 * exit_thread
356 void exit_thread( int status )
358 static void *prev_teb;
359 TEB *teb;
361 if (status) /* send the exit code to the server (0 is already the default) */
363 SERVER_START_REQ( terminate_thread )
365 req->handle = wine_server_obj_handle( GetCurrentThread() );
366 req->exit_code = status;
367 wine_server_call( req );
369 SERVER_END_REQ;
372 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
374 LdrShutdownProcess();
375 exit( status );
378 LdrShutdownThread();
379 RtlAcquirePebLock();
380 RemoveEntryList( &NtCurrentTeb()->TlsLinks );
381 RtlReleasePebLock();
382 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
383 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
385 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
387 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
389 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
390 SIZE_T size;
392 pthread_join( thread_data->pthread_id, NULL );
393 wine_ldt_free_fs( thread_data->fs );
394 size = 0;
395 NtFreeVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
396 size = 0;
397 NtFreeVirtualMemory( GetCurrentProcess(), (void **)&teb, &size, MEM_RELEASE );
400 close( ntdll_get_thread_data()->wait_fd[0] );
401 close( ntdll_get_thread_data()->wait_fd[1] );
402 close( ntdll_get_thread_data()->reply_fd );
403 close( ntdll_get_thread_data()->request_fd );
404 pthread_exit( UIntToPtr(status) );
408 /***********************************************************************
409 * start_thread
411 * Startup routine for a newly created thread.
413 static void start_thread( struct startup_info *info )
415 TEB *teb = info->teb;
416 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
417 PRTL_THREAD_START_ROUTINE func = info->entry_point;
418 void *arg = info->entry_arg;
419 struct debug_info debug_info;
421 debug_info.str_pos = debug_info.strings;
422 debug_info.out_pos = debug_info.output;
423 thread_data->debug_info = &debug_info;
424 thread_data->pthread_id = pthread_self();
426 signal_init_thread( teb );
427 server_init_thread( func );
428 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
430 RtlAcquirePebLock();
431 InsertHeadList( &tls_links, &teb->TlsLinks );
432 RtlReleasePebLock();
434 MODULE_DllThreadAttach( NULL );
436 if (TRACE_ON(relay))
437 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
439 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
443 /***********************************************************************
444 * RtlCreateUserThread (NTDLL.@)
446 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
447 BOOLEAN suspended, PVOID stack_addr,
448 SIZE_T stack_reserve, SIZE_T stack_commit,
449 PRTL_THREAD_START_ROUTINE start, void *param,
450 HANDLE *handle_ptr, CLIENT_ID *id )
452 sigset_t sigset;
453 pthread_t pthread_id;
454 pthread_attr_t attr;
455 struct ntdll_thread_data *thread_data = NULL;
456 struct ntdll_thread_regs *thread_regs;
457 struct startup_info *info = NULL;
458 void *addr = NULL;
459 HANDLE handle = 0;
460 TEB *teb;
461 DWORD tid = 0;
462 int request_pipe[2];
463 NTSTATUS status;
464 SIZE_T size;
466 if (process != NtCurrentProcess())
468 apc_call_t call;
469 apc_result_t result;
471 memset( &call, 0, sizeof(call) );
473 call.create_thread.type = APC_CREATE_THREAD;
474 call.create_thread.func = wine_server_client_ptr( start );
475 call.create_thread.arg = wine_server_client_ptr( param );
476 call.create_thread.reserve = stack_reserve;
477 call.create_thread.commit = stack_commit;
478 call.create_thread.suspend = suspended;
479 status = NTDLL_queue_process_apc( process, &call, &result );
480 if (status != STATUS_SUCCESS) return status;
482 if (result.create_thread.status == STATUS_SUCCESS)
484 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
485 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
486 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
488 return result.create_thread.status;
491 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
492 wine_server_send_fd( request_pipe[0] );
494 SERVER_START_REQ( new_thread )
496 req->access = THREAD_ALL_ACCESS;
497 req->attributes = 0; /* FIXME */
498 req->suspend = suspended;
499 req->request_fd = request_pipe[0];
500 if (!(status = wine_server_call( req )))
502 handle = wine_server_ptr_handle( reply->handle );
503 tid = reply->tid;
505 close( request_pipe[0] );
507 SERVER_END_REQ;
509 if (status)
511 close( request_pipe[1] );
512 return status;
515 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
517 addr = NULL;
518 size = sigstack_total_size;
519 if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &addr, sigstack_zero_bits,
520 &size, MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE )))
521 goto error;
522 teb = addr;
523 teb->Peb = NtCurrentTeb()->Peb;
524 info = (struct startup_info *)(teb + 1);
525 info->teb = teb;
526 info->entry_point = start;
527 info->entry_arg = param;
529 if ((status = init_teb( teb ))) goto error;
531 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
532 teb->ClientId.UniqueThread = ULongToHandle(tid);
534 thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
535 thread_regs = (struct ntdll_thread_regs *)teb->SpareBytes1;
536 thread_data->request_fd = request_pipe[1];
538 /* inherit debug registers from parent thread */
539 thread_regs->dr0 = ntdll_get_thread_regs()->dr0;
540 thread_regs->dr1 = ntdll_get_thread_regs()->dr1;
541 thread_regs->dr2 = ntdll_get_thread_regs()->dr2;
542 thread_regs->dr3 = ntdll_get_thread_regs()->dr3;
543 thread_regs->dr6 = ntdll_get_thread_regs()->dr6;
544 thread_regs->dr7 = ntdll_get_thread_regs()->dr7;
546 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
548 pthread_attr_init( &attr );
549 pthread_attr_setstack( &attr, teb->DeallocationStack,
550 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
551 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
552 interlocked_xchg_add( &nb_threads, 1 );
553 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
555 interlocked_xchg_add( &nb_threads, -1 );
556 pthread_attr_destroy( &attr );
557 size = 0;
558 NtFreeVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size, MEM_RELEASE );
559 status = STATUS_NO_MEMORY;
560 goto error;
562 pthread_attr_destroy( &attr );
563 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
565 if (id) id->UniqueThread = ULongToHandle(tid);
566 if (handle_ptr) *handle_ptr = handle;
567 else NtClose( handle );
569 return STATUS_SUCCESS;
571 error:
572 if (thread_data) wine_ldt_free_fs( thread_data->fs );
573 if (addr)
575 size = 0;
576 NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
578 if (handle) NtClose( handle );
579 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
580 close( request_pipe[1] );
581 return status;
585 /***********************************************************************
586 * NtOpenThread (NTDLL.@)
587 * ZwOpenThread (NTDLL.@)
589 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
590 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
592 NTSTATUS ret;
594 SERVER_START_REQ( open_thread )
596 req->tid = HandleToULong(id->UniqueThread);
597 req->access = access;
598 req->attributes = attr ? attr->Attributes : 0;
599 ret = wine_server_call( req );
600 *handle = wine_server_ptr_handle( reply->handle );
602 SERVER_END_REQ;
603 return ret;
607 /******************************************************************************
608 * NtSuspendThread (NTDLL.@)
609 * ZwSuspendThread (NTDLL.@)
611 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
613 NTSTATUS ret;
615 SERVER_START_REQ( suspend_thread )
617 req->handle = wine_server_obj_handle( handle );
618 if (!(ret = wine_server_call( req ))) *count = reply->count;
620 SERVER_END_REQ;
621 return ret;
625 /******************************************************************************
626 * NtResumeThread (NTDLL.@)
627 * ZwResumeThread (NTDLL.@)
629 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
631 NTSTATUS ret;
633 SERVER_START_REQ( resume_thread )
635 req->handle = wine_server_obj_handle( handle );
636 if (!(ret = wine_server_call( req ))) *count = reply->count;
638 SERVER_END_REQ;
639 return ret;
643 /******************************************************************************
644 * NtAlertResumeThread (NTDLL.@)
645 * ZwAlertResumeThread (NTDLL.@)
647 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
649 FIXME( "stub: should alert thread %p\n", handle );
650 return NtResumeThread( handle, count );
654 /******************************************************************************
655 * NtAlertThread (NTDLL.@)
656 * ZwAlertThread (NTDLL.@)
658 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
660 FIXME( "stub: %p\n", handle );
661 return STATUS_NOT_IMPLEMENTED;
665 /******************************************************************************
666 * NtTerminateThread (NTDLL.@)
667 * ZwTerminateThread (NTDLL.@)
669 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
671 NTSTATUS ret;
672 BOOL self, last;
674 SERVER_START_REQ( terminate_thread )
676 req->handle = wine_server_obj_handle( handle );
677 req->exit_code = exit_code;
678 ret = wine_server_call( req );
679 self = !ret && reply->self;
680 last = reply->last;
682 SERVER_END_REQ;
684 if (self)
686 if (last) _exit( exit_code );
687 else abort_thread( exit_code );
689 return ret;
693 /******************************************************************************
694 * NtQueueApcThread (NTDLL.@)
696 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
697 ULONG_PTR arg2, ULONG_PTR arg3 )
699 NTSTATUS ret;
700 SERVER_START_REQ( queue_apc )
702 req->handle = wine_server_obj_handle( handle );
703 if (func)
705 req->call.type = APC_USER;
706 req->call.user.func = wine_server_client_ptr( func );
707 req->call.user.args[0] = arg1;
708 req->call.user.args[1] = arg2;
709 req->call.user.args[2] = arg3;
711 else req->call.type = APC_NONE; /* wake up only */
712 ret = wine_server_call( req );
714 SERVER_END_REQ;
715 return ret;
719 /***********************************************************************
720 * NtSetContextThread (NTDLL.@)
721 * ZwSetContextThread (NTDLL.@)
723 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
725 NTSTATUS ret;
726 DWORD dummy, i;
727 BOOL self = FALSE;
729 #ifdef __i386__
730 /* on i386 debug registers always require a server call */
731 self = (handle == GetCurrentThread());
732 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
734 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
735 self = (regs->dr0 == context->Dr0 && regs->dr1 == context->Dr1 &&
736 regs->dr2 == context->Dr2 && regs->dr3 == context->Dr3 &&
737 regs->dr6 == context->Dr6 && regs->dr7 == context->Dr7);
739 #endif
741 if (!self)
743 context_t server_context;
745 context_to_server( &server_context, context );
747 SERVER_START_REQ( set_thread_context )
749 req->handle = wine_server_obj_handle( handle );
750 req->suspend = 0;
751 wine_server_add_data( req, &server_context, sizeof(server_context) );
752 ret = wine_server_call( req );
753 self = reply->self;
755 SERVER_END_REQ;
757 if (ret == STATUS_PENDING)
759 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
761 for (i = 0; i < 100; i++)
763 SERVER_START_REQ( set_thread_context )
765 req->handle = wine_server_obj_handle( handle );
766 req->suspend = 0;
767 wine_server_add_data( req, &server_context, sizeof(server_context) );
768 ret = wine_server_call( req );
770 SERVER_END_REQ;
771 if (ret == STATUS_PENDING)
773 LARGE_INTEGER timeout;
774 timeout.QuadPart = -10000;
775 NtDelayExecution( FALSE, &timeout );
777 else break;
779 NtResumeThread( handle, &dummy );
781 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
784 if (ret) return ret;
787 if (self) set_cpu_context( context );
788 return STATUS_SUCCESS;
792 /* convert CPU-specific flags to generic server flags */
793 static inline unsigned int get_server_context_flags( DWORD flags )
795 unsigned int ret = 0;
797 flags &= ~0x3f; /* mask CPU id flags */
798 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
799 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
800 #ifdef CONTEXT_SEGMENTS
801 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
802 #endif
803 #ifdef CONTEXT_FLOATING_POINT
804 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
805 #endif
806 #ifdef CONTEXT_DEBUG_REGISTERS
807 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
808 #endif
809 #ifdef CONTEXT_EXTENDED_REGISTERS
810 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
811 #endif
812 return ret;
815 /***********************************************************************
816 * NtGetContextThread (NTDLL.@)
817 * ZwGetContextThread (NTDLL.@)
819 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
821 NTSTATUS ret;
822 DWORD dummy, i;
823 DWORD needed_flags = context->ContextFlags;
824 BOOL self = (handle == GetCurrentThread());
826 #ifdef __i386__
827 /* on i386 debug registers always require a server call */
828 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
829 #endif
831 if (!self)
833 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
834 context_t server_context;
836 SERVER_START_REQ( get_thread_context )
838 req->handle = wine_server_obj_handle( handle );
839 req->flags = server_flags;
840 req->suspend = 0;
841 wine_server_set_reply( req, &server_context, sizeof(server_context) );
842 ret = wine_server_call( req );
843 self = reply->self;
845 SERVER_END_REQ;
847 if (ret == STATUS_PENDING)
849 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
851 for (i = 0; i < 100; i++)
853 SERVER_START_REQ( get_thread_context )
855 req->handle = wine_server_obj_handle( handle );
856 req->flags = server_flags;
857 req->suspend = 0;
858 wine_server_set_reply( req, &server_context, sizeof(server_context) );
859 ret = wine_server_call( req );
861 SERVER_END_REQ;
862 if (ret == STATUS_PENDING)
864 LARGE_INTEGER timeout;
865 timeout.QuadPart = -10000;
866 NtDelayExecution( FALSE, &timeout );
868 else break;
870 NtResumeThread( handle, &dummy );
872 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
874 if (!ret) ret = context_from_server( context, &server_context );
875 if (ret) return ret;
876 needed_flags &= ~context->ContextFlags;
879 if (self)
881 if (needed_flags)
883 CONTEXT ctx;
884 RtlCaptureContext( &ctx );
885 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
886 context->ContextFlags |= ctx.ContextFlags & needed_flags;
888 #ifdef __i386__
889 /* update the cached version of the debug registers */
890 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
892 struct ntdll_thread_regs * const regs = ntdll_get_thread_regs();
893 regs->dr0 = context->Dr0;
894 regs->dr1 = context->Dr1;
895 regs->dr2 = context->Dr2;
896 regs->dr3 = context->Dr3;
897 regs->dr6 = context->Dr6;
898 regs->dr7 = context->Dr7;
900 #endif
902 return STATUS_SUCCESS;
906 /******************************************************************************
907 * NtQueryInformationThread (NTDLL.@)
908 * ZwQueryInformationThread (NTDLL.@)
910 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
911 void *data, ULONG length, ULONG *ret_len )
913 NTSTATUS status;
915 switch(class)
917 case ThreadBasicInformation:
919 THREAD_BASIC_INFORMATION info;
920 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
922 SERVER_START_REQ( get_thread_info )
924 req->handle = wine_server_obj_handle( handle );
925 req->tid_in = 0;
926 if (!(status = wine_server_call( req )))
928 info.ExitStatus = reply->exit_code;
929 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
930 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
931 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
932 info.AffinityMask = reply->affinity & affinity_mask;
933 info.Priority = reply->priority;
934 info.BasePriority = reply->priority; /* FIXME */
937 SERVER_END_REQ;
938 if (status == STATUS_SUCCESS)
940 if (data) memcpy( data, &info, min( length, sizeof(info) ));
941 if (ret_len) *ret_len = min( length, sizeof(info) );
944 return status;
945 case ThreadAffinityMask:
947 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
948 ULONG_PTR affinity = 0;
950 SERVER_START_REQ( get_thread_info )
952 req->handle = wine_server_obj_handle( handle );
953 req->tid_in = 0;
954 if (!(status = wine_server_call( req )))
955 affinity = reply->affinity & affinity_mask;
957 SERVER_END_REQ;
958 if (status == STATUS_SUCCESS)
960 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
961 if (ret_len) *ret_len = min( length, sizeof(affinity) );
964 return status;
965 case ThreadTimes:
967 KERNEL_USER_TIMES kusrt;
968 /* We need to do a server call to get the creation time or exit time */
969 /* This works on any thread */
970 SERVER_START_REQ( get_thread_info )
972 req->handle = wine_server_obj_handle( handle );
973 req->tid_in = 0;
974 status = wine_server_call( req );
975 if (status == STATUS_SUCCESS)
977 kusrt.CreateTime.QuadPart = reply->creation_time;
978 kusrt.ExitTime.QuadPart = reply->exit_time;
981 SERVER_END_REQ;
982 if (status == STATUS_SUCCESS)
984 /* We call times(2) for kernel time or user time */
985 /* We can only (portably) do this for the current thread */
986 if (handle == GetCurrentThread())
988 struct tms time_buf;
989 long clocks_per_sec = sysconf(_SC_CLK_TCK);
991 times(&time_buf);
992 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
993 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
995 else
997 static BOOL reported = FALSE;
999 kusrt.KernelTime.QuadPart = 0;
1000 kusrt.UserTime.QuadPart = 0;
1001 if (reported)
1002 TRACE("Cannot get kerneltime or usertime of other threads\n");
1003 else
1005 FIXME("Cannot get kerneltime or usertime of other threads\n");
1006 reported = TRUE;
1009 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
1010 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
1013 return status;
1014 case ThreadDescriptorTableEntry:
1016 #ifdef __i386__
1017 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
1018 if (length < sizeof(*tdi))
1019 status = STATUS_INFO_LENGTH_MISMATCH;
1020 else if (!(tdi->Selector & 4)) /* GDT selector */
1022 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
1023 status = STATUS_SUCCESS;
1024 if (!sel) /* null selector */
1025 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
1026 else
1028 tdi->Entry.BaseLow = 0;
1029 tdi->Entry.HighWord.Bits.BaseMid = 0;
1030 tdi->Entry.HighWord.Bits.BaseHi = 0;
1031 tdi->Entry.LimitLow = 0xffff;
1032 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
1033 tdi->Entry.HighWord.Bits.Dpl = 3;
1034 tdi->Entry.HighWord.Bits.Sys = 0;
1035 tdi->Entry.HighWord.Bits.Pres = 1;
1036 tdi->Entry.HighWord.Bits.Granularity = 1;
1037 tdi->Entry.HighWord.Bits.Default_Big = 1;
1038 tdi->Entry.HighWord.Bits.Type = 0x12;
1039 /* it has to be one of the system GDT selectors */
1040 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
1042 if (sel == (wine_get_cs() & ~3))
1043 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
1044 else status = STATUS_ACCESS_DENIED;
1048 else
1050 SERVER_START_REQ( get_selector_entry )
1052 req->handle = wine_server_obj_handle( handle );
1053 req->entry = tdi->Selector >> 3;
1054 status = wine_server_call( req );
1055 if (!status)
1057 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1058 status = STATUS_ACCESS_VIOLATION;
1059 else
1061 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1062 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1063 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1067 SERVER_END_REQ;
1069 if (status == STATUS_SUCCESS && ret_len)
1070 /* yes, that's a bit strange, but it's the way it is */
1071 *ret_len = sizeof(LDT_ENTRY);
1072 #else
1073 status = STATUS_NOT_IMPLEMENTED;
1074 #endif
1075 return status;
1077 case ThreadAmILastThread:
1079 SERVER_START_REQ(get_thread_info)
1081 req->handle = wine_server_obj_handle( handle );
1082 req->tid_in = 0;
1083 status = wine_server_call( req );
1084 if (status == STATUS_SUCCESS)
1086 BOOLEAN last = reply->last;
1087 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1088 if (ret_len) *ret_len = min( length, sizeof(last) );
1091 SERVER_END_REQ;
1092 return status;
1094 case ThreadPriority:
1095 case ThreadBasePriority:
1096 case ThreadImpersonationToken:
1097 case ThreadEnableAlignmentFaultFixup:
1098 case ThreadEventPair_Reusable:
1099 case ThreadQuerySetWin32StartAddress:
1100 case ThreadZeroTlsCell:
1101 case ThreadPerformanceCount:
1102 case ThreadIdealProcessor:
1103 case ThreadPriorityBoost:
1104 case ThreadSetTlsArrayAddress:
1105 case ThreadIsIoPending:
1106 default:
1107 FIXME( "info class %d not supported yet\n", class );
1108 return STATUS_NOT_IMPLEMENTED;
1113 /******************************************************************************
1114 * NtSetInformationThread (NTDLL.@)
1115 * ZwSetInformationThread (NTDLL.@)
1117 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1118 LPCVOID data, ULONG length )
1120 NTSTATUS status;
1121 switch(class)
1123 case ThreadZeroTlsCell:
1124 if (handle == GetCurrentThread())
1126 LIST_ENTRY *entry;
1127 DWORD index;
1129 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1130 index = *(const DWORD *)data;
1131 if (index < TLS_MINIMUM_AVAILABLE)
1133 RtlAcquirePebLock();
1134 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1136 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1137 teb->TlsSlots[index] = 0;
1139 RtlReleasePebLock();
1141 else
1143 index -= TLS_MINIMUM_AVAILABLE;
1144 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1145 return STATUS_INVALID_PARAMETER;
1146 RtlAcquirePebLock();
1147 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1149 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1150 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1152 RtlReleasePebLock();
1154 return STATUS_SUCCESS;
1156 FIXME( "ZeroTlsCell not supported on other threads\n" );
1157 return STATUS_NOT_IMPLEMENTED;
1159 case ThreadImpersonationToken:
1161 const HANDLE *phToken = data;
1162 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1163 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1164 SERVER_START_REQ( set_thread_info )
1166 req->handle = wine_server_obj_handle( handle );
1167 req->token = wine_server_obj_handle( *phToken );
1168 req->mask = SET_THREAD_INFO_TOKEN;
1169 status = wine_server_call( req );
1171 SERVER_END_REQ;
1173 return status;
1174 case ThreadBasePriority:
1176 const DWORD *pprio = data;
1177 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1178 SERVER_START_REQ( set_thread_info )
1180 req->handle = wine_server_obj_handle( handle );
1181 req->priority = *pprio;
1182 req->mask = SET_THREAD_INFO_PRIORITY;
1183 status = wine_server_call( req );
1185 SERVER_END_REQ;
1187 return status;
1188 case ThreadAffinityMask:
1190 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1191 const ULONG_PTR *paff = data;
1192 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1193 if (*paff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1194 SERVER_START_REQ( set_thread_info )
1196 req->handle = wine_server_obj_handle( handle );
1197 req->affinity = *paff;
1198 req->mask = SET_THREAD_INFO_AFFINITY;
1199 status = wine_server_call( req );
1201 SERVER_END_REQ;
1203 return status;
1204 case ThreadBasicInformation:
1205 case ThreadTimes:
1206 case ThreadPriority:
1207 case ThreadDescriptorTableEntry:
1208 case ThreadEnableAlignmentFaultFixup:
1209 case ThreadEventPair_Reusable:
1210 case ThreadQuerySetWin32StartAddress:
1211 case ThreadPerformanceCount:
1212 case ThreadAmILastThread:
1213 case ThreadIdealProcessor:
1214 case ThreadPriorityBoost:
1215 case ThreadSetTlsArrayAddress:
1216 case ThreadIsIoPending:
1217 default:
1218 FIXME( "info class %d not supported yet\n", class );
1219 return STATUS_NOT_IMPLEMENTED;