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
22 #include "wine/port.h"
26 #include <sys/types.h>
27 #ifdef HAVE_SYS_MMAN_H
30 #ifdef HAVE_SYS_TIMES_H
31 #include <sys/times.h>
34 #define NONAMELESSUNION
36 #define WIN32_NO_STATUS
38 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/debug.h"
41 #include "ntdll_misc.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 */
56 PRTL_THREAD_START_ROUTINE entry_point;
61 static PEB_LDR_DATA ldr;
62 static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
63 static WCHAR current_dir[MAX_NT_PATH_LENGTH];
64 static RTL_BITMAP tls_bitmap;
65 static RTL_BITMAP tls_expansion_bitmap;
66 static RTL_BITMAP fls_bitmap;
67 static LIST_ENTRY tls_links;
68 static int nb_threads = 1;
70 /***********************************************************************
73 * Copy a unicode string from the startup info.
75 static inline void get_unicode_string( UNICODE_STRING *str, WCHAR **src, WCHAR **dst, UINT len )
79 str->MaximumLength = len + sizeof(WCHAR);
80 memcpy( str->Buffer, *src, len );
81 str->Buffer[len / sizeof(WCHAR)] = 0;
82 *src += len / sizeof(WCHAR);
83 *dst += len / sizeof(WCHAR) + 1;
86 /***********************************************************************
87 * init_user_process_params
89 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
91 static NTSTATUS init_user_process_params( SIZE_T data_size, HANDLE *exe_file )
95 SIZE_T info_size, env_size, size, alloc_size;
98 RTL_USER_PROCESS_PARAMETERS *params = NULL;
100 if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, data_size )))
101 return STATUS_NO_MEMORY;
103 SERVER_START_REQ( get_startup_info )
105 wine_server_set_reply( req, info, data_size );
106 if (!(status = wine_server_call( req )))
108 data_size = wine_server_reply_size( reply );
109 info_size = reply->info_size;
110 env_size = data_size - info_size;
111 *exe_file = wine_server_ptr_handle( reply->exe_file );
115 if (status != STATUS_SUCCESS) goto done;
117 size = sizeof(*params);
118 size += MAX_NT_PATH_LENGTH * sizeof(WCHAR);
119 size += info->dllpath_len + sizeof(WCHAR);
120 size += info->imagepath_len + sizeof(WCHAR);
121 size += info->cmdline_len + sizeof(WCHAR);
122 size += info->title_len + sizeof(WCHAR);
123 size += info->desktop_len + sizeof(WCHAR);
124 size += info->shellinfo_len + sizeof(WCHAR);
125 size += info->runtime_len + sizeof(WCHAR);
128 status = NtAllocateVirtualMemory( NtCurrentProcess(), (void **)¶ms, 0, &alloc_size,
129 MEM_COMMIT, PAGE_READWRITE );
130 if (status != STATUS_SUCCESS) goto done;
132 NtCurrentTeb()->Peb->ProcessParameters = params;
133 params->AllocationSize = alloc_size;
135 params->Flags = PROCESS_PARAMS_FLAG_NORMALIZED;
136 params->DebugFlags = info->debug_flags;
137 params->ConsoleHandle = wine_server_ptr_handle( info->console );
138 params->ConsoleFlags = info->console_flags;
139 params->hStdInput = wine_server_ptr_handle( info->hstdin );
140 params->hStdOutput = wine_server_ptr_handle( info->hstdout );
141 params->hStdError = wine_server_ptr_handle( info->hstderr );
142 params->dwX = info->x;
143 params->dwY = info->y;
144 params->dwXSize = info->xsize;
145 params->dwYSize = info->ysize;
146 params->dwXCountChars = info->xchars;
147 params->dwYCountChars = info->ychars;
148 params->dwFillAttribute = info->attribute;
149 params->dwFlags = info->flags;
150 params->wShowWindow = info->show;
152 src = (WCHAR *)(info + 1);
153 dst = (WCHAR *)(params + 1);
155 /* current directory needs more space */
156 get_unicode_string( ¶ms->CurrentDirectory.DosPath, &src, &dst, info->curdir_len );
157 params->CurrentDirectory.DosPath.MaximumLength = MAX_NT_PATH_LENGTH * sizeof(WCHAR);
158 dst = (WCHAR *)(params + 1) + MAX_NT_PATH_LENGTH;
160 get_unicode_string( ¶ms->DllPath, &src, &dst, info->dllpath_len );
161 get_unicode_string( ¶ms->ImagePathName, &src, &dst, info->imagepath_len );
162 get_unicode_string( ¶ms->CommandLine, &src, &dst, info->cmdline_len );
163 get_unicode_string( ¶ms->WindowTitle, &src, &dst, info->title_len );
164 get_unicode_string( ¶ms->Desktop, &src, &dst, info->desktop_len );
165 get_unicode_string( ¶ms->ShellInfo, &src, &dst, info->shellinfo_len );
167 /* runtime info isn't a real string */
168 params->RuntimeInfo.Buffer = dst;
169 params->RuntimeInfo.Length = params->RuntimeInfo.MaximumLength = info->runtime_len;
170 memcpy( dst, src, info->runtime_len );
172 /* environment needs to be a separate memory block */
174 alloc_size = max( 1, env_size );
175 status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &alloc_size,
176 MEM_COMMIT, PAGE_READWRITE );
177 if (status != STATUS_SUCCESS) goto done;
178 memcpy( ptr, (char *)info + info_size, env_size );
179 params->Environment = ptr;
182 RtlFreeHeap( GetProcessHeap(), 0, info );
186 /***********************************************************************
189 * Setup the initial thread.
191 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
193 HANDLE thread_init(void)
197 SIZE_T size, info_size;
200 struct ntdll_thread_data *thread_data;
201 static struct debug_info debug_info; /* debug info for initial thread */
205 /* reserve space for shared user data */
207 addr = (void *)0x7ffe0000;
209 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size, MEM_RESERVE|MEM_COMMIT, PAGE_READWRITE );
210 user_shared_data = addr;
212 /* allocate and initialize the PEB */
216 NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 1, &size,
217 MEM_COMMIT | MEM_TOP_DOWN, PAGE_READWRITE );
220 peb->ProcessParameters = ¶ms;
221 peb->TlsBitmap = &tls_bitmap;
222 peb->TlsExpansionBitmap = &tls_expansion_bitmap;
223 peb->FlsBitmap = &fls_bitmap;
225 params.CurrentDirectory.DosPath.Buffer = current_dir;
226 params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
227 params.wShowWindow = 1; /* SW_SHOWNORMAL */
228 RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
229 RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
230 sizeof(peb->TlsExpansionBitmapBits) * 8 );
231 RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
232 InitializeListHead( &peb->FlsListHead );
233 InitializeListHead( &ldr.InLoadOrderModuleList );
234 InitializeListHead( &ldr.InMemoryOrderModuleList );
235 InitializeListHead( &ldr.InInitializationOrderModuleList );
236 InitializeListHead( &tls_links );
238 /* allocate and initialize the initial TEB */
240 signal_alloc_thread( &teb );
242 teb->Tib.StackBase = (void *)~0UL;
243 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
244 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
246 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
247 thread_data->request_fd = -1;
248 thread_data->reply_fd = -1;
249 thread_data->wait_fd[0] = -1;
250 thread_data->wait_fd[1] = -1;
251 thread_data->debug_info = &debug_info;
252 InsertHeadList( &tls_links, &teb->TlsLinks );
254 signal_init_thread( teb );
255 virtual_init_threading();
257 debug_info.str_pos = debug_info.strings;
258 debug_info.out_pos = debug_info.output;
261 /* setup the server connection */
262 server_init_process();
263 info_size = server_init_thread( peb );
265 /* create the process heap */
266 if (!(peb->ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
268 MESSAGE( "wine: failed to create the process heap\n" );
272 /* allocate user parameters */
275 init_user_process_params( info_size, &exe_file );
279 if (isatty(0) || isatty(1) || isatty(2))
280 params.ConsoleHandle = (HANDLE)2; /* see kernel32/kernel_private.h */
282 wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, OBJ_INHERIT, ¶ms.hStdInput );
284 wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, ¶ms.hStdOutput );
286 wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, OBJ_INHERIT, ¶ms.hStdError );
289 /* initialize time values in user_shared_data */
290 NtQuerySystemTime( &now );
291 user_shared_data->SystemTime.LowPart = now.u.LowPart;
292 user_shared_data->SystemTime.High1Time = user_shared_data->SystemTime.High2Time = now.u.HighPart;
293 user_shared_data->u.TickCountQuad = (now.QuadPart - server_start_time) / 10000;
294 user_shared_data->u.TickCount.High2Time = user_shared_data->u.TickCount.High1Time;
295 user_shared_data->TickCountLowDeprecated = user_shared_data->u.TickCount.LowPart;
296 user_shared_data->TickCountMultiplier = 1 << 24;
305 /***********************************************************************
308 void terminate_thread( int status )
310 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
311 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1) _exit( status );
313 close( ntdll_get_thread_data()->wait_fd[0] );
314 close( ntdll_get_thread_data()->wait_fd[1] );
315 close( ntdll_get_thread_data()->reply_fd );
316 close( ntdll_get_thread_data()->request_fd );
317 pthread_exit( UIntToPtr(status) );
321 /***********************************************************************
324 void exit_thread( int status )
326 static void *prev_teb;
329 if (status) /* send the exit code to the server (0 is already the default) */
331 SERVER_START_REQ( terminate_thread )
333 req->handle = wine_server_obj_handle( GetCurrentThread() );
334 req->exit_code = status;
335 wine_server_call( req );
340 if (interlocked_xchg_add( &nb_threads, -1 ) <= 1)
342 LdrShutdownProcess();
348 RemoveEntryList( &NtCurrentTeb()->TlsLinks );
350 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->FlsSlots );
351 RtlFreeHeap( GetProcessHeap(), 0, NtCurrentTeb()->TlsExpansionSlots );
353 pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
355 if ((teb = interlocked_xchg_ptr( &prev_teb, NtCurrentTeb() )))
357 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
359 pthread_join( thread_data->pthread_id, NULL );
360 signal_free_thread( teb );
363 close( ntdll_get_thread_data()->wait_fd[0] );
364 close( ntdll_get_thread_data()->wait_fd[1] );
365 close( ntdll_get_thread_data()->reply_fd );
366 close( ntdll_get_thread_data()->request_fd );
367 pthread_exit( UIntToPtr(status) );
371 /***********************************************************************
374 * Startup routine for a newly created thread.
376 static void start_thread( struct startup_info *info )
378 TEB *teb = info->teb;
379 struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
380 PRTL_THREAD_START_ROUTINE func = info->entry_point;
381 void *arg = info->entry_arg;
382 struct debug_info debug_info;
384 debug_info.str_pos = debug_info.strings;
385 debug_info.out_pos = debug_info.output;
386 thread_data->debug_info = &debug_info;
387 thread_data->pthread_id = pthread_self();
389 signal_init_thread( teb );
390 server_init_thread( func );
391 pthread_sigmask( SIG_UNBLOCK, &server_block_set, NULL );
394 InsertHeadList( &tls_links, &teb->TlsLinks );
397 MODULE_DllThreadAttach( NULL );
400 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
402 call_thread_entry_point( (LPTHREAD_START_ROUTINE)func, arg );
406 /***********************************************************************
407 * RtlCreateUserThread (NTDLL.@)
409 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
410 BOOLEAN suspended, PVOID stack_addr,
411 SIZE_T stack_reserve, SIZE_T stack_commit,
412 PRTL_THREAD_START_ROUTINE start, void *param,
413 HANDLE *handle_ptr, CLIENT_ID *id )
416 pthread_t pthread_id;
418 struct ntdll_thread_data *thread_data;
419 struct startup_info *info = NULL;
426 if (process != NtCurrentProcess())
431 memset( &call, 0, sizeof(call) );
433 call.create_thread.type = APC_CREATE_THREAD;
434 call.create_thread.func = wine_server_client_ptr( start );
435 call.create_thread.arg = wine_server_client_ptr( param );
436 call.create_thread.reserve = stack_reserve;
437 call.create_thread.commit = stack_commit;
438 call.create_thread.suspend = suspended;
439 status = NTDLL_queue_process_apc( process, &call, &result );
440 if (status != STATUS_SUCCESS) return status;
442 if (result.create_thread.status == STATUS_SUCCESS)
444 if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
445 if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
446 else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
448 return result.create_thread.status;
451 if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
452 wine_server_send_fd( request_pipe[0] );
454 SERVER_START_REQ( new_thread )
456 req->access = THREAD_ALL_ACCESS;
457 req->attributes = 0; /* FIXME */
458 req->suspend = suspended;
459 req->request_fd = request_pipe[0];
460 if (!(status = wine_server_call( req )))
462 handle = wine_server_ptr_handle( reply->handle );
465 close( request_pipe[0] );
471 close( request_pipe[1] );
475 pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
477 if ((status = signal_alloc_thread( &teb ))) goto error;
479 teb->Peb = NtCurrentTeb()->Peb;
480 teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
481 teb->ClientId.UniqueThread = ULongToHandle(tid);
482 teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
483 teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
485 info = (struct startup_info *)(teb + 1);
487 info->entry_point = start;
488 info->entry_arg = param;
490 thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
491 thread_data->request_fd = request_pipe[1];
492 thread_data->reply_fd = -1;
493 thread_data->wait_fd[0] = -1;
494 thread_data->wait_fd[1] = -1;
496 if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;
498 pthread_attr_init( &attr );
499 pthread_attr_setstack( &attr, teb->DeallocationStack,
500 (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
501 pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
502 interlocked_xchg_add( &nb_threads, 1 );
503 if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
505 interlocked_xchg_add( &nb_threads, -1 );
506 pthread_attr_destroy( &attr );
507 status = STATUS_NO_MEMORY;
510 pthread_attr_destroy( &attr );
511 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
513 if (id) id->UniqueThread = ULongToHandle(tid);
514 if (handle_ptr) *handle_ptr = handle;
515 else NtClose( handle );
517 return STATUS_SUCCESS;
520 if (teb) signal_free_thread( teb );
521 if (handle) NtClose( handle );
522 pthread_sigmask( SIG_SETMASK, &sigset, NULL );
523 close( request_pipe[1] );
528 /******************************************************************************
529 * RtlGetNtGlobalFlags (NTDLL.@)
531 ULONG WINAPI RtlGetNtGlobalFlags(void)
533 if (!peb) return 0; /* init not done yet */
534 return peb->NtGlobalFlag;
538 /***********************************************************************
539 * NtOpenThread (NTDLL.@)
540 * ZwOpenThread (NTDLL.@)
542 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
543 const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
547 SERVER_START_REQ( open_thread )
549 req->tid = HandleToULong(id->UniqueThread);
550 req->access = access;
551 req->attributes = attr ? attr->Attributes : 0;
552 ret = wine_server_call( req );
553 *handle = wine_server_ptr_handle( reply->handle );
560 /******************************************************************************
561 * NtSuspendThread (NTDLL.@)
562 * ZwSuspendThread (NTDLL.@)
564 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
568 SERVER_START_REQ( suspend_thread )
570 req->handle = wine_server_obj_handle( handle );
571 if (!(ret = wine_server_call( req ))) *count = reply->count;
578 /******************************************************************************
579 * NtResumeThread (NTDLL.@)
580 * ZwResumeThread (NTDLL.@)
582 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
586 SERVER_START_REQ( resume_thread )
588 req->handle = wine_server_obj_handle( handle );
589 if (!(ret = wine_server_call( req ))) *count = reply->count;
596 /******************************************************************************
597 * NtAlertResumeThread (NTDLL.@)
598 * ZwAlertResumeThread (NTDLL.@)
600 NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
602 FIXME( "stub: should alert thread %p\n", handle );
603 return NtResumeThread( handle, count );
607 /******************************************************************************
608 * NtAlertThread (NTDLL.@)
609 * ZwAlertThread (NTDLL.@)
611 NTSTATUS WINAPI NtAlertThread( HANDLE handle )
613 FIXME( "stub: %p\n", handle );
614 return STATUS_NOT_IMPLEMENTED;
618 /******************************************************************************
619 * NtTerminateThread (NTDLL.@)
620 * ZwTerminateThread (NTDLL.@)
622 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
627 SERVER_START_REQ( terminate_thread )
629 req->handle = wine_server_obj_handle( handle );
630 req->exit_code = exit_code;
631 ret = wine_server_call( req );
632 self = !ret && reply->self;
636 if (self) abort_thread( exit_code );
641 /******************************************************************************
642 * NtQueueApcThread (NTDLL.@)
644 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
645 ULONG_PTR arg2, ULONG_PTR arg3 )
648 SERVER_START_REQ( queue_apc )
650 req->handle = wine_server_obj_handle( handle );
653 req->call.type = APC_USER;
654 req->call.user.func = wine_server_client_ptr( func );
655 req->call.user.args[0] = arg1;
656 req->call.user.args[1] = arg2;
657 req->call.user.args[2] = arg3;
659 else req->call.type = APC_NONE; /* wake up only */
660 ret = wine_server_call( req );
667 /***********************************************************************
668 * NtSetContextThread (NTDLL.@)
669 * ZwSetContextThread (NTDLL.@)
671 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
678 /* on i386 debug registers always require a server call */
679 self = (handle == GetCurrentThread());
680 if (self && (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)))
682 self = (ntdll_get_thread_data()->dr0 == context->Dr0 &&
683 ntdll_get_thread_data()->dr1 == context->Dr1 &&
684 ntdll_get_thread_data()->dr2 == context->Dr2 &&
685 ntdll_get_thread_data()->dr3 == context->Dr3 &&
686 ntdll_get_thread_data()->dr6 == context->Dr6 &&
687 ntdll_get_thread_data()->dr7 == context->Dr7);
693 context_t server_context;
695 context_to_server( &server_context, context );
697 SERVER_START_REQ( set_thread_context )
699 req->handle = wine_server_obj_handle( handle );
701 wine_server_add_data( req, &server_context, sizeof(server_context) );
702 ret = wine_server_call( req );
707 if (ret == STATUS_PENDING)
709 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
711 for (i = 0; i < 100; i++)
713 SERVER_START_REQ( set_thread_context )
715 req->handle = wine_server_obj_handle( handle );
717 wine_server_add_data( req, &server_context, sizeof(server_context) );
718 ret = wine_server_call( req );
721 if (ret == STATUS_PENDING)
723 LARGE_INTEGER timeout;
724 timeout.QuadPart = -10000;
725 NtDelayExecution( FALSE, &timeout );
729 NtResumeThread( handle, &dummy );
731 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
737 if (self) set_cpu_context( context );
738 return STATUS_SUCCESS;
742 /* convert CPU-specific flags to generic server flags */
743 static inline unsigned int get_server_context_flags( DWORD flags )
745 unsigned int ret = 0;
747 flags &= 0x3f; /* mask CPU id flags */
748 if (flags & CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL;
749 if (flags & CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER;
750 #ifdef CONTEXT_SEGMENTS
751 if (flags & CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS;
753 #ifdef CONTEXT_FLOATING_POINT
754 if (flags & CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT;
756 #ifdef CONTEXT_DEBUG_REGISTERS
757 if (flags & CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS;
759 #ifdef CONTEXT_EXTENDED_REGISTERS
760 if (flags & CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS;
765 /***********************************************************************
766 * NtGetContextThread (NTDLL.@)
767 * ZwGetContextThread (NTDLL.@)
769 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
773 DWORD needed_flags = context->ContextFlags;
774 BOOL self = (handle == GetCurrentThread());
777 /* on i386 debug registers always require a server call */
778 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386)) self = FALSE;
783 unsigned int server_flags = get_server_context_flags( context->ContextFlags );
784 context_t server_context;
786 SERVER_START_REQ( get_thread_context )
788 req->handle = wine_server_obj_handle( handle );
789 req->flags = server_flags;
791 wine_server_set_reply( req, &server_context, sizeof(server_context) );
792 ret = wine_server_call( req );
797 if (ret == STATUS_PENDING)
799 if (NtSuspendThread( handle, &dummy ) == STATUS_SUCCESS)
801 for (i = 0; i < 100; i++)
803 SERVER_START_REQ( get_thread_context )
805 req->handle = wine_server_obj_handle( handle );
806 req->flags = server_flags;
808 wine_server_set_reply( req, &server_context, sizeof(server_context) );
809 ret = wine_server_call( req );
812 if (ret == STATUS_PENDING)
814 LARGE_INTEGER timeout;
815 timeout.QuadPart = -10000;
816 NtDelayExecution( FALSE, &timeout );
820 NtResumeThread( handle, &dummy );
822 if (ret == STATUS_PENDING) ret = STATUS_ACCESS_DENIED;
824 if (!ret) ret = context_from_server( context, &server_context );
826 needed_flags &= ~context->ContextFlags;
834 RtlCaptureContext( &ctx );
835 copy_context( context, &ctx, ctx.ContextFlags & needed_flags );
836 context->ContextFlags |= ctx.ContextFlags & needed_flags;
839 /* update the cached version of the debug registers */
840 if (context->ContextFlags & (CONTEXT_DEBUG_REGISTERS & ~CONTEXT_i386))
842 ntdll_get_thread_data()->dr0 = context->Dr0;
843 ntdll_get_thread_data()->dr1 = context->Dr1;
844 ntdll_get_thread_data()->dr2 = context->Dr2;
845 ntdll_get_thread_data()->dr3 = context->Dr3;
846 ntdll_get_thread_data()->dr6 = context->Dr6;
847 ntdll_get_thread_data()->dr7 = context->Dr7;
851 return STATUS_SUCCESS;
855 /******************************************************************************
856 * NtQueryInformationThread (NTDLL.@)
857 * ZwQueryInformationThread (NTDLL.@)
859 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
860 void *data, ULONG length, ULONG *ret_len )
866 case ThreadBasicInformation:
868 THREAD_BASIC_INFORMATION info;
869 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
871 SERVER_START_REQ( get_thread_info )
873 req->handle = wine_server_obj_handle( handle );
875 if (!(status = wine_server_call( req )))
877 info.ExitStatus = reply->exit_code;
878 info.TebBaseAddress = wine_server_get_ptr( reply->teb );
879 info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
880 info.ClientId.UniqueThread = ULongToHandle(reply->tid);
881 info.AffinityMask = reply->affinity & affinity_mask;
882 info.Priority = reply->priority;
883 info.BasePriority = reply->priority; /* FIXME */
887 if (status == STATUS_SUCCESS)
889 if (data) memcpy( data, &info, min( length, sizeof(info) ));
890 if (ret_len) *ret_len = min( length, sizeof(info) );
894 case ThreadAffinityMask:
896 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
897 ULONG_PTR affinity = 0;
899 SERVER_START_REQ( get_thread_info )
901 req->handle = wine_server_obj_handle( handle );
903 if (!(status = wine_server_call( req )))
904 affinity = reply->affinity & affinity_mask;
907 if (status == STATUS_SUCCESS)
909 if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
910 if (ret_len) *ret_len = min( length, sizeof(affinity) );
916 KERNEL_USER_TIMES kusrt;
917 /* We need to do a server call to get the creation time or exit time */
918 /* This works on any thread */
919 SERVER_START_REQ( get_thread_info )
921 req->handle = wine_server_obj_handle( handle );
923 status = wine_server_call( req );
924 if (status == STATUS_SUCCESS)
926 kusrt.CreateTime.QuadPart = reply->creation_time;
927 kusrt.ExitTime.QuadPart = reply->exit_time;
931 if (status == STATUS_SUCCESS)
933 /* We call times(2) for kernel time or user time */
934 /* We can only (portably) do this for the current thread */
935 if (handle == GetCurrentThread())
938 long clocks_per_sec = sysconf(_SC_CLK_TCK);
941 kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
942 kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
946 static BOOL reported = FALSE;
948 kusrt.KernelTime.QuadPart = 0;
949 kusrt.UserTime.QuadPart = 0;
951 TRACE("Cannot get kerneltime or usertime of other threads\n");
954 FIXME("Cannot get kerneltime or usertime of other threads\n");
958 if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
959 if (ret_len) *ret_len = min( length, sizeof(kusrt) );
963 case ThreadDescriptorTableEntry:
966 THREAD_DESCRIPTOR_INFORMATION* tdi = data;
967 if (length < sizeof(*tdi))
968 status = STATUS_INFO_LENGTH_MISMATCH;
969 else if (!(tdi->Selector & 4)) /* GDT selector */
971 unsigned sel = tdi->Selector & ~3; /* ignore RPL */
972 status = STATUS_SUCCESS;
973 if (!sel) /* null selector */
974 memset( &tdi->Entry, 0, sizeof(tdi->Entry) );
977 tdi->Entry.BaseLow = 0;
978 tdi->Entry.HighWord.Bits.BaseMid = 0;
979 tdi->Entry.HighWord.Bits.BaseHi = 0;
980 tdi->Entry.LimitLow = 0xffff;
981 tdi->Entry.HighWord.Bits.LimitHi = 0xf;
982 tdi->Entry.HighWord.Bits.Dpl = 3;
983 tdi->Entry.HighWord.Bits.Sys = 0;
984 tdi->Entry.HighWord.Bits.Pres = 1;
985 tdi->Entry.HighWord.Bits.Granularity = 1;
986 tdi->Entry.HighWord.Bits.Default_Big = 1;
987 tdi->Entry.HighWord.Bits.Type = 0x12;
988 /* it has to be one of the system GDT selectors */
989 if (sel != (wine_get_ds() & ~3) && sel != (wine_get_ss() & ~3))
991 if (sel == (wine_get_cs() & ~3))
992 tdi->Entry.HighWord.Bits.Type |= 8; /* code segment */
993 else status = STATUS_ACCESS_DENIED;
999 SERVER_START_REQ( get_selector_entry )
1001 req->handle = wine_server_obj_handle( handle );
1002 req->entry = tdi->Selector >> 3;
1003 status = wine_server_call( req );
1006 if (!(reply->flags & WINE_LDT_FLAGS_ALLOCATED))
1007 status = STATUS_ACCESS_VIOLATION;
1010 wine_ldt_set_base ( &tdi->Entry, (void *)reply->base );
1011 wine_ldt_set_limit( &tdi->Entry, reply->limit );
1012 wine_ldt_set_flags( &tdi->Entry, reply->flags );
1018 if (status == STATUS_SUCCESS && ret_len)
1019 /* yes, that's a bit strange, but it's the way it is */
1020 *ret_len = sizeof(LDT_ENTRY);
1022 status = STATUS_NOT_IMPLEMENTED;
1026 case ThreadAmILastThread:
1028 SERVER_START_REQ(get_thread_info)
1030 req->handle = wine_server_obj_handle( handle );
1032 status = wine_server_call( req );
1033 if (status == STATUS_SUCCESS)
1035 BOOLEAN last = reply->last;
1036 if (data) memcpy( data, &last, min( length, sizeof(last) ));
1037 if (ret_len) *ret_len = min( length, sizeof(last) );
1043 case ThreadPriority:
1044 case ThreadBasePriority:
1045 case ThreadImpersonationToken:
1046 case ThreadEnableAlignmentFaultFixup:
1047 case ThreadEventPair_Reusable:
1048 case ThreadQuerySetWin32StartAddress:
1049 case ThreadZeroTlsCell:
1050 case ThreadPerformanceCount:
1051 case ThreadIdealProcessor:
1052 case ThreadPriorityBoost:
1053 case ThreadSetTlsArrayAddress:
1054 case ThreadIsIoPending:
1056 FIXME( "info class %d not supported yet\n", class );
1057 return STATUS_NOT_IMPLEMENTED;
1062 /******************************************************************************
1063 * NtSetInformationThread (NTDLL.@)
1064 * ZwSetInformationThread (NTDLL.@)
1066 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
1067 LPCVOID data, ULONG length )
1072 case ThreadZeroTlsCell:
1073 if (handle == GetCurrentThread())
1078 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1079 index = *(const DWORD *)data;
1080 if (index < TLS_MINIMUM_AVAILABLE)
1082 RtlAcquirePebLock();
1083 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1085 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1086 teb->TlsSlots[index] = 0;
1088 RtlReleasePebLock();
1092 index -= TLS_MINIMUM_AVAILABLE;
1093 if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
1094 return STATUS_INVALID_PARAMETER;
1095 RtlAcquirePebLock();
1096 for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
1098 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
1099 if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
1101 RtlReleasePebLock();
1103 return STATUS_SUCCESS;
1105 FIXME( "ZeroTlsCell not supported on other threads\n" );
1106 return STATUS_NOT_IMPLEMENTED;
1108 case ThreadImpersonationToken:
1110 const HANDLE *phToken = data;
1111 if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
1112 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
1113 SERVER_START_REQ( set_thread_info )
1115 req->handle = wine_server_obj_handle( handle );
1116 req->token = wine_server_obj_handle( *phToken );
1117 req->mask = SET_THREAD_INFO_TOKEN;
1118 status = wine_server_call( req );
1123 case ThreadBasePriority:
1125 const DWORD *pprio = data;
1126 if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
1127 SERVER_START_REQ( set_thread_info )
1129 req->handle = wine_server_obj_handle( handle );
1130 req->priority = *pprio;
1131 req->mask = SET_THREAD_INFO_PRIORITY;
1132 status = wine_server_call( req );
1137 case ThreadAffinityMask:
1139 const ULONG_PTR affinity_mask = ((ULONG_PTR)1 << NtCurrentTeb()->Peb->NumberOfProcessors) - 1;
1142 if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
1143 req_aff = *(const ULONG_PTR *)data;
1144 if ((ULONG)req_aff == ~0u) req_aff = affinity_mask;
1145 else if (req_aff & ~affinity_mask) return STATUS_INVALID_PARAMETER;
1146 else if (!req_aff) return STATUS_INVALID_PARAMETER;
1147 SERVER_START_REQ( set_thread_info )
1149 req->handle = wine_server_obj_handle( handle );
1150 req->affinity = req_aff;
1151 req->mask = SET_THREAD_INFO_AFFINITY;
1152 status = wine_server_call( req );
1157 case ThreadHideFromDebugger:
1158 /* pretend the call succeeded to satisfy some code protectors */
1159 return STATUS_SUCCESS;
1161 case ThreadBasicInformation:
1163 case ThreadPriority:
1164 case ThreadDescriptorTableEntry:
1165 case ThreadEnableAlignmentFaultFixup:
1166 case ThreadEventPair_Reusable:
1167 case ThreadQuerySetWin32StartAddress:
1168 case ThreadPerformanceCount:
1169 case ThreadAmILastThread:
1170 case ThreadIdealProcessor:
1171 case ThreadPriorityBoost:
1172 case ThreadSetTlsArrayAddress:
1173 case ThreadIsIoPending:
1175 FIXME( "info class %d not supported yet\n", class );
1176 return STATUS_NOT_IMPLEMENTED;