git.oblomov.eu Git - wine/blob - dlls/ntdll/thread.c

   1 /*
   2  * NT threads support
   3  *
   4  * Copyright 1996, 2003 Alexandre Julliard
   5  *
   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.
  10  *
  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.
  15  *
  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <sys/types.h>
  25 #ifdef HAVE_SYS_MMAN_H
  26 #include <sys/mman.h>
  27 #endif
  28
  29 #include "ntstatus.h"
  30 #include "thread.h"
  31 #include "winternl.h"
  32 #include "wine/library.h"
  33 #include "wine/server.h"
  34 #include "wine/pthread.h"
  35 #include "wine/debug.h"
  36 #include "ntdll_misc.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(thread);
  39
  40 static PEB peb;
  41 static PEB_LDR_DATA ldr;
  42 static RTL_USER_PROCESS_PARAMETERS params;  /* default parameters if no parent */
  43 static RTL_BITMAP tls_bitmap;
  44 static LIST_ENTRY tls_links;
  45
  46
  47 /***********************************************************************
  48  *           alloc_teb
  49  */
  50 static TEB *alloc_teb( ULONG *size )
  51 {
  52     TEB *teb;
  53
  54     *size = SIGNAL_STACK_SIZE + sizeof(TEB);
  55     teb = wine_anon_mmap( NULL, *size, PROT_READ | PROT_WRITE | PROT_EXEC, 0 );
  56     if (teb == (TEB *)-1) return NULL;
  57     if (!(teb->teb_sel = wine_ldt_alloc_fs()))
  58     {
  59         munmap( teb, *size );
  60         return NULL;
  61     }
  62     teb->Tib.ExceptionList = (void *)~0UL;
  63     teb->Tib.StackBase     = (void *)~0UL;
  64     teb->Tib.Self          = &teb->Tib;
  65     teb->Peb               = &peb;
  66     teb->StaticUnicodeString.Buffer        = teb->StaticUnicodeBuffer;
  67     teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
  68     return teb;
  69 }
  70
  71
  72 /***********************************************************************
  73  *           free_teb
  74  */
  75 static inline void free_teb( TEB *teb )
  76 {
  77     ULONG size = 0;
  78     void *addr = teb;
  79
  80     NtFreeVirtualMemory( GetCurrentProcess(), &addr, &size, MEM_RELEASE );
  81     wine_ldt_free_fs( teb->teb_sel );
  82     munmap( teb, SIGNAL_STACK_SIZE + sizeof(TEB) );
  83 }
  84
  85
  86 /***********************************************************************
  87  *           thread_init
  88  *
  89  * Setup the initial thread.
  90  *
  91  * NOTES: The first allocated TEB on NT is at 0x7ffde000.
  92  */
  93 void thread_init(void)
  94 {
  95     TEB *teb;
  96     void *addr;
  97     ULONG size;
  98     struct wine_pthread_thread_info thread_info;
  99     static struct debug_info debug_info;  /* debug info for initial thread */
 100
 101     debug_info.str_pos = debug_info.strings;
 102     debug_info.out_pos = debug_info.output;
 103
 104     peb.ProcessParameters = &params;
 105     peb.TlsBitmap         = &tls_bitmap;
 106     peb.LdrData           = &ldr;
 107     RtlInitializeBitMap( &tls_bitmap, (BYTE *)peb.TlsBitmapBits, sizeof(peb.TlsBitmapBits) * 8 );
 108     InitializeListHead( &ldr.InLoadOrderModuleList );
 109     InitializeListHead( &ldr.InMemoryOrderModuleList );
 110     InitializeListHead( &ldr.InInitializationOrderModuleList );
 111     InitializeListHead( &tls_links );
 112
 113     teb = alloc_teb( &size );
 114     teb->tibflags      = TEBF_WIN32;
 115     teb->request_fd    = -1;
 116     teb->reply_fd      = -1;
 117     teb->wait_fd[0]    = -1;
 118     teb->wait_fd[1]    = -1;
 119     teb->debug_info    = &debug_info;
 120     InsertHeadList( &tls_links, &teb->TlsLinks );
 121
 122     thread_info.stack_base = NULL;
 123     thread_info.stack_size = 0;
 124     thread_info.teb_base   = teb;
 125     thread_info.teb_size   = size;
 126     thread_info.teb_sel    = teb->teb_sel;
 127     wine_pthread_init_thread( &thread_info );
 128
 129     /* setup the server connection */
 130     server_init_process();
 131     server_init_thread( thread_info.pid, thread_info.tid );
 132
 133     /* create a memory view for the TEB */
 134     NtAllocateVirtualMemory( GetCurrentProcess(), &addr, teb, &size,
 135                              MEM_SYSTEM, PAGE_EXECUTE_READWRITE );
 136
 137     /* create the process heap */
 138     if (!(peb.ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
 139     {
 140         MESSAGE( "wine: failed to create the process heap\n" );
 141         exit(1);
 142     }
 143 }
 144
 145
 146 /***********************************************************************
 147  *           start_thread
 148  *
 149  * Startup routine for a newly created thread.
 150  */
 151 static void start_thread( struct wine_pthread_thread_info *info )
 152 {
 153     TEB *teb = info->teb_base;
 154     LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)teb->entry_point;
 155     struct debug_info debug_info;
 156     ULONG size;
 157
 158     debug_info.str_pos = debug_info.strings;
 159     debug_info.out_pos = debug_info.output;
 160     teb->debug_info = &debug_info;
 161
 162     wine_pthread_init_thread( info );
 163     SIGNAL_Init();
 164     server_init_thread( info->pid, info->tid );
 165
 166     /* allocate a memory view for the stack */
 167     size = info->stack_size;
 168     NtAllocateVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, info->stack_base,
 169                              &size, MEM_SYSTEM, PAGE_EXECUTE_READWRITE );
 170     /* limit is lower than base since the stack grows down */
 171     teb->Tib.StackBase  = (char *)info->stack_base + info->stack_size;
 172     teb->Tib.StackLimit = info->stack_base;
 173
 174     /* setup the guard page */
 175     size = 1;
 176     NtProtectVirtualMemory( GetCurrentProcess(), &teb->DeallocationStack, &size,
 177                             PAGE_EXECUTE_READWRITE | PAGE_GUARD, NULL );
 178     RtlFreeHeap( GetProcessHeap(), 0, info );
 179
 180     RtlAcquirePebLock();
 181     InsertHeadList( &tls_links, &teb->TlsLinks );
 182     RtlReleasePebLock();
 183
 184     NtTerminateThread( GetCurrentThread(), func( NtCurrentTeb()->entry_arg ) );
 185 }
 186
 187
 188 /***********************************************************************
 189  *              RtlCreateUserThread   (NTDLL.@)
 190  */
 191 NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
 192                                      BOOLEAN suspended, PVOID stack_addr,
 193                                      SIZE_T stack_reserve, SIZE_T stack_commit,
 194                                      PRTL_THREAD_START_ROUTINE start, void *param,
 195                                      HANDLE *handle_ptr, CLIENT_ID *id )
 196 {
 197     struct wine_pthread_thread_info *info = NULL;
 198     HANDLE handle = 0;
 199     TEB *teb = NULL;
 200     DWORD tid = 0;
 201     ULONG size;
 202     int request_pipe[2];
 203     NTSTATUS status;
 204
 205     if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
 206     fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
 207     wine_server_send_fd( request_pipe[0] );
 208
 209     SERVER_START_REQ( new_thread )
 210     {
 211         req->suspend    = suspended;
 212         req->inherit    = 0;  /* FIXME */
 213         req->request_fd = request_pipe[0];
 214         if (!(status = wine_server_call( req )))
 215         {
 216             handle = reply->handle;
 217             tid = reply->tid;
 218         }
 219         close( request_pipe[0] );
 220     }
 221     SERVER_END_REQ;
 222
 223     if (status) goto error;
 224
 225     if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*info) )))
 226     {
 227         status = STATUS_NO_MEMORY;
 228         goto error;
 229     }
 230
 231     if (!(teb = alloc_teb( &size )))
 232     {
 233         status = STATUS_NO_MEMORY;
 234         goto error;
 235     }
 236     teb->ClientId.UniqueProcess = (HANDLE)GetCurrentProcessId();
 237     teb->ClientId.UniqueThread  = (HANDLE)tid;
 238
 239     teb->tibflags    = TEBF_WIN32;
 240     teb->exit_code   = STILL_ACTIVE;
 241     teb->request_fd  = request_pipe[1];
 242     teb->reply_fd    = -1;
 243     teb->wait_fd[0]  = -1;
 244     teb->wait_fd[1]  = -1;
 245     teb->entry_point = start;
 246     teb->entry_arg   = param;
 247     teb->htask16     = NtCurrentTeb()->htask16;
 248
 249     NtAllocateVirtualMemory( GetCurrentProcess(), &info->teb_base, teb, &size,
 250                              MEM_SYSTEM, PAGE_EXECUTE_READWRITE );
 251     info->teb_size = size;
 252     info->teb_sel  = teb->teb_sel;
 253
 254     if (!stack_reserve || !stack_commit)
 255     {
 256         IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
 257         if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
 258         if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
 259     }
 260     if (stack_reserve < stack_commit) stack_reserve = stack_commit;
 261     stack_reserve = (stack_reserve + 0xffff) & ~0xffff;  /* round to 64K boundary */
 262     if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024;  /* Xlib needs a large stack */
 263
 264     info->stack_base = NULL;
 265     info->stack_size = stack_reserve;
 266     info->entry      = start_thread;
 267
 268     if (wine_pthread_create_thread( info ) == -1)
 269     {
 270         status = STATUS_NO_MEMORY;
 271         goto error;
 272     }
 273
 274     if (id) id->UniqueThread = (HANDLE)tid;
 275     if (handle_ptr) *handle_ptr = handle;
 276     else NtClose( handle );
 277
 278     return STATUS_SUCCESS;
 279
 280 error:
 281     if (teb) free_teb( teb );
 282     if (info) RtlFreeHeap( GetProcessHeap(), 0, info );
 283     if (handle) NtClose( handle );
 284     close( request_pipe[1] );
 285     return status;
 286 }
 287
 288
 289 /***********************************************************************
 290  *              NtOpenThread   (NTDLL.@)
 291  *              ZwOpenThread   (NTDLL.@)
 292  */
 293 NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
 294                               const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
 295 {
 296     NTSTATUS ret;
 297
 298     SERVER_START_REQ( open_thread )
 299     {
 300         req->tid     = (thread_id_t)id->UniqueThread;
 301         req->access  = access;
 302         req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
 303         ret = wine_server_call( req );
 304         *handle = reply->handle;
 305     }
 306     SERVER_END_REQ;
 307     return ret;
 308 }
 309
 310
 311 /******************************************************************************
 312  *              NtSuspendThread   (NTDLL.@)
 313  *              ZwSuspendThread   (NTDLL.@)
 314  */
 315 NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
 316 {
 317     NTSTATUS ret;
 318
 319     SERVER_START_REQ( suspend_thread )
 320     {
 321         req->handle = handle;
 322         if (!(ret = wine_server_call( req ))) *count = reply->count;
 323     }
 324     SERVER_END_REQ;
 325     return ret;
 326 }
 327
 328
 329 /******************************************************************************
 330  *              NtResumeThread   (NTDLL.@)
 331  *              ZwResumeThread   (NTDLL.@)
 332  */
 333 NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
 334 {
 335     NTSTATUS ret;
 336
 337     SERVER_START_REQ( resume_thread )
 338     {
 339         req->handle = handle;
 340         if (!(ret = wine_server_call( req ))) *count = reply->count;
 341     }
 342     SERVER_END_REQ;
 343     return ret;
 344 }
 345
 346
 347 /******************************************************************************
 348  *              NtTerminateThread  (NTDLL.@)
 349  *              ZwTerminateThread  (NTDLL.@)
 350  */
 351 NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
 352 {
 353     NTSTATUS ret;
 354     BOOL self, last;
 355
 356     SERVER_START_REQ( terminate_thread )
 357     {
 358         req->handle    = handle;
 359         req->exit_code = exit_code;
 360         ret = wine_server_call( req );
 361         self = !ret && reply->self;
 362         last = reply->last;
 363     }
 364     SERVER_END_REQ;
 365
 366     if (self)
 367     {
 368         if (last) exit( exit_code );
 369         else server_abort_thread( exit_code );
 370     }
 371     return ret;
 372 }
 373
 374
 375 /******************************************************************************
 376  *              NtQueueApcThread  (NTDLL.@)
 377  */
 378 NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
 379                                   ULONG_PTR arg2, ULONG_PTR arg3 )
 380 {
 381     NTSTATUS ret;
 382     SERVER_START_REQ( queue_apc )
 383     {
 384         req->handle = handle;
 385         req->user   = 1;
 386         req->func   = func;
 387         req->arg1   = (void *)arg1;
 388         req->arg2   = (void *)arg2;
 389         req->arg3   = (void *)arg3;
 390         ret = wine_server_call( req );
 391     }
 392     SERVER_END_REQ;
 393     return ret;
 394 }
 395
 396
 397 /***********************************************************************
 398  *              NtSetContextThread  (NTDLL.@)
 399  *              ZwSetContextThread  (NTDLL.@)
 400  */
 401 NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
 402 {
 403     NTSTATUS ret;
 404
 405     SERVER_START_REQ( set_thread_context )
 406     {
 407         req->handle = handle;
 408         req->flags  = context->ContextFlags;
 409         wine_server_add_data( req, context, sizeof(*context) );
 410         ret = wine_server_call( req );
 411     }
 412     SERVER_END_REQ;
 413     return ret;
 414 }
 415
 416
 417 /***********************************************************************
 418  *              NtGetContextThread  (NTDLL.@)
 419  *              ZwGetContextThread  (NTDLL.@)
 420  */
 421 NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
 422 {
 423     NTSTATUS ret;
 424
 425     SERVER_START_REQ( get_thread_context )
 426     {
 427         req->handle = handle;
 428         req->flags = context->ContextFlags;
 429         wine_server_add_data( req, context, sizeof(*context) );
 430         wine_server_set_reply( req, context, sizeof(*context) );
 431         ret = wine_server_call( req );
 432     }
 433     SERVER_END_REQ;
 434     return ret;
 435 }
 436
 437
 438 /******************************************************************************
 439  *              NtQueryInformationThread  (NTDLL.@)
 440  *              ZwQueryInformationThread  (NTDLL.@)
 441  */
 442 NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
 443                                           void *data, ULONG length, ULONG *ret_len )
 444 {
 445     NTSTATUS status;
 446
 447     switch(class)
 448     {
 449     case ThreadBasicInformation:
 450         {
 451             THREAD_BASIC_INFORMATION info;
 452
 453             SERVER_START_REQ( get_thread_info )
 454             {
 455                 req->handle = handle;
 456                 req->tid_in = 0;
 457                 if (!(status = wine_server_call( req )))
 458                 {
 459                     info.ExitStatus             = reply->exit_code;
 460                     info.TebBaseAddress         = reply->teb;
 461                     info.ClientId.UniqueProcess = (HANDLE)reply->pid;
 462                     info.ClientId.UniqueThread  = (HANDLE)reply->tid;
 463                     info.AffinityMask           = reply->affinity;
 464                     info.Priority               = reply->priority;
 465                     info.BasePriority           = reply->priority;  /* FIXME */
 466                 }
 467             }
 468             SERVER_END_REQ;
 469             if (status == STATUS_SUCCESS)
 470             {
 471                 if (data) memcpy( data, &info, min( length, sizeof(info) ));
 472                 if (ret_len) *ret_len = min( length, sizeof(info) );
 473             }
 474         }
 475         return status;
 476     case ThreadTimes:
 477     case ThreadPriority:
 478     case ThreadBasePriority:
 479     case ThreadAffinityMask:
 480     case ThreadImpersonationToken:
 481     case ThreadDescriptorTableEntry:
 482     case ThreadEnableAlignmentFaultFixup:
 483     case ThreadEventPair_Reusable:
 484     case ThreadQuerySetWin32StartAddress:
 485     case ThreadZeroTlsCell:
 486     case ThreadPerformanceCount:
 487     case ThreadAmILastThread:
 488     case ThreadIdealProcessor:
 489     case ThreadPriorityBoost:
 490     case ThreadSetTlsArrayAddress:
 491     case ThreadIsIoPending:
 492     default:
 493         FIXME( "info class %d not supported yet\n", class );
 494         return STATUS_NOT_IMPLEMENTED;
 495     }
 496 }
 497
 498
 499 /******************************************************************************
 500  *              NtSetInformationThread  (NTDLL.@)
 501  *              ZwSetInformationThread  (NTDLL.@)
 502  */
 503 NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
 504                                         LPCVOID data, ULONG length )
 505 {
 506     switch(class)
 507     {
 508     case ThreadZeroTlsCell:
 509         if (handle == GetCurrentThread())
 510         {
 511             LIST_ENTRY *entry;
 512             DWORD index;
 513
 514             if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
 515             index = *(DWORD *)data;
 516             if (index >= 64) return STATUS_INVALID_PARAMETER;
 517             RtlAcquirePebLock();
 518             for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
 519             {
 520                 TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
 521                 teb->TlsSlots[index] = 0;
 522             }
 523             RtlReleasePebLock();
 524             return STATUS_SUCCESS;
 525         }
 526         FIXME( "ZeroTlsCell not supported on other threads\n" );
 527         return STATUS_NOT_IMPLEMENTED;
 528
 529     case ThreadBasicInformation:
 530     case ThreadTimes:
 531     case ThreadPriority:
 532     case ThreadBasePriority:
 533     case ThreadAffinityMask:
 534     case ThreadImpersonationToken:
 535     case ThreadDescriptorTableEntry:
 536     case ThreadEnableAlignmentFaultFixup:
 537     case ThreadEventPair_Reusable:
 538     case ThreadQuerySetWin32StartAddress:
 539     case ThreadPerformanceCount:
 540     case ThreadAmILastThread:
 541     case ThreadIdealProcessor:
 542     case ThreadPriorityBoost:
 543     case ThreadSetTlsArrayAddress:
 544     case ThreadIsIoPending:
 545     default:
 546         FIXME( "info class %d not supported yet\n", class );
 547         return STATUS_NOT_IMPLEMENTED;
 548     }
 549 }
 550
 551
 552 /**********************************************************************
 553  *           NtCurrentTeb   (NTDLL.@)
 554  */
 555 #if defined(__i386__) && defined(__GNUC__)
 556 __ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" );
 557 #elif defined(__i386__) && defined(_MSC_VER)
 558 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
 559 #else
 560 TEB * WINAPI NtCurrentTeb(void)
 561 {
 562     return wine_pthread_get_current_teb();
 563 }
 564 #endif  /* __i386__ */