dlls/ntdll/process.c

   1 /*
   2  * NT basis DLL
   3  *
   4  * This file contains the Nt* API functions of NTDLL.DLL.
   5  * In the original ntdll.dll they all seem to just call int 0x2e (down to the NTOSKRNL)
   6  *
   7  * Copyright 1996-1998 Marcus Meissner
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include "config.h"
  25
  26 #include <stdarg.h>
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <string.h>
  30 #include <time.h>
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34
  35 #include "ntstatus.h"
  36 #define WIN32_NO_STATUS
  37 #include "wine/debug.h"
  38 #include "windef.h"
  39 #include "winternl.h"
  40 #include "ntdll_misc.h"
  41 #include "wine/server.h"
  42
  43 #ifdef HAVE_MACH_MACH_H
  44 #include <mach/mach.h>
  45 #endif
  46
  47 WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
  48
  49 static ULONG execute_flags = MEM_EXECUTE_OPTION_DISABLE;
  50
  51 /*
  52  *      Process object
  53  */
  54
  55 /******************************************************************************
  56  *  NtTerminateProcess                  [NTDLL.@]
  57  *
  58  *  Native applications must kill themselves when done
  59  */
  60 NTSTATUS WINAPI NtTerminateProcess( HANDLE handle, LONG exit_code )
  61 {
  62     NTSTATUS ret;
  63     BOOL self;
  64     SERVER_START_REQ( terminate_process )
  65     {
  66         req->handle    = wine_server_obj_handle( handle );
  67         req->exit_code = exit_code;
  68         ret = wine_server_call( req );
  69         self = !ret && reply->self;
  70     }
  71     SERVER_END_REQ;
  72     if (self && handle) _exit( exit_code );
  73     return ret;
  74 }
  75
  76 /******************************************************************************
  77  *  RtlGetCurrentPeb  [NTDLL.@]
  78  *
  79  */
  80 PEB * WINAPI RtlGetCurrentPeb(void)
  81 {
  82     return NtCurrentTeb()->Peb;
  83 }
  84
  85 /***********************************************************************
  86  *           __wine_make_process_system   (NTDLL.@)
  87  *
  88  * Mark the current process as a system process.
  89  * Returns the event that is signaled when all non-system processes have exited.
  90  */
  91 HANDLE CDECL __wine_make_process_system(void)
  92 {
  93     HANDLE ret = 0;
  94     SERVER_START_REQ( make_process_system )
  95     {
  96         if (!wine_server_call( req )) ret = wine_server_ptr_handle( reply->event );
  97     }
  98     SERVER_END_REQ;
  99     return ret;
 100 }
 101
 102 static UINT process_error_mode;
 103
 104 #define UNIMPLEMENTED_INFO_CLASS(c) \
 105     case c: \
 106         FIXME("(process=%p) Unimplemented information class: " #c "\n", ProcessHandle); \
 107         ret = STATUS_INVALID_INFO_CLASS; \
 108         break
 109
 110 ULONG_PTR get_system_affinity_mask(void)
 111 {
 112     ULONG num_cpus = NtCurrentTeb()->Peb->NumberOfProcessors;
 113     if (num_cpus >= sizeof(ULONG_PTR) * 8) return ~(ULONG_PTR)0;
 114     return ((ULONG_PTR)1 << num_cpus) - 1;
 115 }
 116
 117 #if defined(HAVE_MACH_MACH_H)
 118
 119 static void fill_VM_COUNTERS(VM_COUNTERS* pvmi)
 120 {
 121 #if defined(MACH_TASK_BASIC_INFO)
 122     struct mach_task_basic_info info;
 123     mach_msg_type_number_t infoCount = MACH_TASK_BASIC_INFO_COUNT;
 124     if(task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &infoCount) == KERN_SUCCESS)
 125     {
 126         pvmi->VirtualSize = info.resident_size + info.virtual_size;
 127         pvmi->PagefileUsage = info.virtual_size;
 128         pvmi->WorkingSetSize = info.resident_size;
 129         pvmi->PeakWorkingSetSize = info.resident_size_max;
 130     }
 131 #endif
 132 }
 133
 134 #else
 135
 136 static void fill_VM_COUNTERS(VM_COUNTERS* pvmi)
 137 {
 138     /* FIXME : real data */
 139 }
 140
 141 #endif
 142
 143 /******************************************************************************
 144 *  NtQueryInformationProcess            [NTDLL.@]
 145 *  ZwQueryInformationProcess            [NTDLL.@]
 146 *
 147 */
 148 NTSTATUS WINAPI NtQueryInformationProcess(
 149         IN HANDLE ProcessHandle,
 150         IN PROCESSINFOCLASS ProcessInformationClass,
 151         OUT PVOID ProcessInformation,
 152         IN ULONG ProcessInformationLength,
 153         OUT PULONG ReturnLength)
 154 {
 155     NTSTATUS ret = STATUS_SUCCESS;
 156     ULONG len = 0;
 157
 158     TRACE("(%p,0x%08x,%p,0x%08x,%p)\n",
 159           ProcessHandle,ProcessInformationClass,
 160           ProcessInformation,ProcessInformationLength,
 161           ReturnLength);
 162
 163     switch (ProcessInformationClass)
 164     {
 165     UNIMPLEMENTED_INFO_CLASS(ProcessQuotaLimits);
 166     UNIMPLEMENTED_INFO_CLASS(ProcessBasePriority);
 167     UNIMPLEMENTED_INFO_CLASS(ProcessRaisePriority);
 168     UNIMPLEMENTED_INFO_CLASS(ProcessExceptionPort);
 169     UNIMPLEMENTED_INFO_CLASS(ProcessAccessToken);
 170     UNIMPLEMENTED_INFO_CLASS(ProcessLdtInformation);
 171     UNIMPLEMENTED_INFO_CLASS(ProcessLdtSize);
 172     UNIMPLEMENTED_INFO_CLASS(ProcessIoPortHandlers);
 173     UNIMPLEMENTED_INFO_CLASS(ProcessPooledUsageAndLimits);
 174     UNIMPLEMENTED_INFO_CLASS(ProcessWorkingSetWatch);
 175     UNIMPLEMENTED_INFO_CLASS(ProcessUserModeIOPL);
 176     UNIMPLEMENTED_INFO_CLASS(ProcessEnableAlignmentFaultFixup);
 177     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityClass);
 178     UNIMPLEMENTED_INFO_CLASS(ProcessWx86Information);
 179     UNIMPLEMENTED_INFO_CLASS(ProcessPriorityBoost);
 180     UNIMPLEMENTED_INFO_CLASS(ProcessDeviceMap);
 181     UNIMPLEMENTED_INFO_CLASS(ProcessSessionInformation);
 182     UNIMPLEMENTED_INFO_CLASS(ProcessForegroundInformation);
 183     UNIMPLEMENTED_INFO_CLASS(ProcessLUIDDeviceMapsEnabled);
 184     UNIMPLEMENTED_INFO_CLASS(ProcessBreakOnTermination);
 185     UNIMPLEMENTED_INFO_CLASS(ProcessHandleTracing);
 186
 187     case ProcessBasicInformation:
 188         {
 189             PROCESS_BASIC_INFORMATION pbi;
 190             const ULONG_PTR affinity_mask = get_system_affinity_mask();
 191
 192             if (ProcessInformationLength >= sizeof(PROCESS_BASIC_INFORMATION))
 193             {
 194                 if (!ProcessInformation)
 195                     ret = STATUS_ACCESS_VIOLATION;
 196                 else if (!ProcessHandle)
 197                     ret = STATUS_INVALID_HANDLE;
 198                 else
 199                 {
 200                     SERVER_START_REQ(get_process_info)
 201                     {
 202                         req->handle = wine_server_obj_handle( ProcessHandle );
 203                         if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 204                         {
 205                             pbi.ExitStatus = reply->exit_code;
 206                             pbi.PebBaseAddress = wine_server_get_ptr( reply->peb );
 207                             pbi.AffinityMask = reply->affinity & affinity_mask;
 208                             pbi.BasePriority = reply->priority;
 209                             pbi.UniqueProcessId = reply->pid;
 210                             pbi.InheritedFromUniqueProcessId = reply->ppid;
 211                         }
 212                     }
 213                     SERVER_END_REQ;
 214
 215                     memcpy(ProcessInformation, &pbi, sizeof(PROCESS_BASIC_INFORMATION));
 216
 217                     len = sizeof(PROCESS_BASIC_INFORMATION);
 218                 }
 219
 220                 if (ProcessInformationLength > sizeof(PROCESS_BASIC_INFORMATION))
 221                     ret = STATUS_INFO_LENGTH_MISMATCH;
 222             }
 223             else
 224             {
 225                 len = sizeof(PROCESS_BASIC_INFORMATION);
 226                 ret = STATUS_INFO_LENGTH_MISMATCH;
 227             }
 228         }
 229         break;
 230     case ProcessIoCounters:
 231         {
 232             IO_COUNTERS pii;
 233
 234             if (ProcessInformationLength >= sizeof(IO_COUNTERS))
 235             {
 236                 if (!ProcessInformation)
 237                     ret = STATUS_ACCESS_VIOLATION;
 238                 else if (!ProcessHandle)
 239                     ret = STATUS_INVALID_HANDLE;
 240                 else
 241                 {
 242                     /* FIXME : real data */
 243                     memset(&pii, 0 , sizeof(IO_COUNTERS));
 244
 245                     memcpy(ProcessInformation, &pii, sizeof(IO_COUNTERS));
 246
 247                     len = sizeof(IO_COUNTERS);
 248                 }
 249
 250                 if (ProcessInformationLength > sizeof(IO_COUNTERS))
 251                     ret = STATUS_INFO_LENGTH_MISMATCH;
 252             }
 253             else
 254             {
 255                 len = sizeof(IO_COUNTERS);
 256                 ret = STATUS_INFO_LENGTH_MISMATCH;
 257             }
 258         }
 259         break;
 260     case ProcessVmCounters:
 261         {
 262             VM_COUNTERS pvmi;
 263
 264             /* older Windows versions don't have the PrivatePageCount field */
 265             if (ProcessInformationLength >= FIELD_OFFSET(VM_COUNTERS,PrivatePageCount))
 266             {
 267                 if (!ProcessInformation)
 268                     ret = STATUS_ACCESS_VIOLATION;
 269                 else if (!ProcessHandle)
 270                     ret = STATUS_INVALID_HANDLE;
 271                 else
 272                 {
 273                     memset(&pvmi, 0 , sizeof(VM_COUNTERS));
 274                     fill_VM_COUNTERS(&pvmi);
 275
 276                     len = ProcessInformationLength;
 277                     if (len != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount)) len = sizeof(VM_COUNTERS);
 278
 279                     memcpy(ProcessInformation, &pvmi, min(ProcessInformationLength,sizeof(VM_COUNTERS)));
 280                 }
 281
 282                 if (ProcessInformationLength != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount) &&
 283                     ProcessInformationLength != sizeof(VM_COUNTERS))
 284                     ret = STATUS_INFO_LENGTH_MISMATCH;
 285             }
 286             else
 287             {
 288                 len = sizeof(pvmi);
 289                 ret = STATUS_INFO_LENGTH_MISMATCH;
 290             }
 291         }
 292         break;
 293     case ProcessTimes:
 294         {
 295             KERNEL_USER_TIMES pti;
 296
 297             if (ProcessInformationLength >= sizeof(KERNEL_USER_TIMES))
 298             {
 299                 if (!ProcessInformation)
 300                     ret = STATUS_ACCESS_VIOLATION;
 301                 else if (!ProcessHandle)
 302                     ret = STATUS_INVALID_HANDLE;
 303                 else
 304                 {
 305                     /* FIXME : User- and KernelTime have to be implemented */
 306                     memset(&pti, 0, sizeof(KERNEL_USER_TIMES));
 307
 308                     SERVER_START_REQ(get_process_info)
 309                     {
 310                       req->handle = wine_server_obj_handle( ProcessHandle );
 311                       if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 312                       {
 313                           pti.CreateTime.QuadPart = reply->start_time;
 314                           pti.ExitTime.QuadPart = reply->end_time;
 315                       }
 316                     }
 317                     SERVER_END_REQ;
 318
 319                     memcpy(ProcessInformation, &pti, sizeof(KERNEL_USER_TIMES));
 320                     len = sizeof(KERNEL_USER_TIMES);
 321                 }
 322
 323                 if (ProcessInformationLength > sizeof(KERNEL_USER_TIMES))
 324                     ret = STATUS_INFO_LENGTH_MISMATCH;
 325             }
 326             else
 327             {
 328                 len = sizeof(KERNEL_USER_TIMES);
 329                 ret = STATUS_INFO_LENGTH_MISMATCH;
 330             }
 331         }
 332         break;
 333     case ProcessDebugPort:
 334         len = sizeof(DWORD_PTR);
 335         if (ProcessInformationLength == len)
 336         {
 337             if (!ProcessInformation)
 338                 ret = STATUS_ACCESS_VIOLATION;
 339             else if (!ProcessHandle)
 340                 ret = STATUS_INVALID_HANDLE;
 341             else
 342             {
 343                 SERVER_START_REQ(get_process_info)
 344                 {
 345                     req->handle = wine_server_obj_handle( ProcessHandle );
 346                     if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 347                     {
 348                         *(DWORD_PTR *)ProcessInformation = reply->debugger_present ? ~(DWORD_PTR)0 : 0;
 349                     }
 350                 }
 351                 SERVER_END_REQ;
 352             }
 353         }
 354         else
 355             ret = STATUS_INFO_LENGTH_MISMATCH;
 356         break;
 357     case ProcessDebugFlags:
 358         len = sizeof(DWORD);
 359         if (ProcessInformationLength == len)
 360         {
 361             if (!ProcessInformation)
 362                 ret = STATUS_ACCESS_VIOLATION;
 363             else if (!ProcessHandle)
 364                 ret = STATUS_INVALID_HANDLE;
 365             else
 366             {
 367                 SERVER_START_REQ(get_process_info)
 368                 {
 369                     req->handle = wine_server_obj_handle( ProcessHandle );
 370                     if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 371                     {
 372                         *(DWORD *)ProcessInformation = reply->debug_children;
 373                     }
 374                 }
 375                 SERVER_END_REQ;
 376             }
 377         }
 378         else
 379             ret = STATUS_INFO_LENGTH_MISMATCH;
 380         break;
 381     case ProcessDefaultHardErrorMode:
 382         len = sizeof(process_error_mode);
 383         if (ProcessInformationLength == len)
 384             memcpy(ProcessInformation, &process_error_mode, len);
 385         else
 386             ret = STATUS_INFO_LENGTH_MISMATCH;
 387         break;
 388     case ProcessDebugObjectHandle:
 389         /* "These are not the debuggers you are looking for." *
 390          * set it to 0 aka "no debugger" to satisfy copy protections */
 391         len = sizeof(HANDLE);
 392         if (ProcessInformationLength == len)
 393         {
 394             if (!ProcessInformation)
 395                 ret = STATUS_ACCESS_VIOLATION;
 396             else if (!ProcessHandle)
 397                 ret = STATUS_INVALID_HANDLE;
 398             else
 399             {
 400                 memset(ProcessInformation, 0, ProcessInformationLength);
 401                 ret = STATUS_PORT_NOT_SET;
 402             }
 403         }
 404         else
 405             ret = STATUS_INFO_LENGTH_MISMATCH;
 406         break;
 407     case ProcessHandleCount:
 408         if (ProcessInformationLength >= 4)
 409         {
 410             if (!ProcessInformation)
 411                 ret = STATUS_ACCESS_VIOLATION;
 412             else if (!ProcessHandle)
 413                 ret = STATUS_INVALID_HANDLE;
 414             else
 415             {
 416                 memset(ProcessInformation, 0, 4);
 417                 len = 4;
 418             }
 419
 420             if (ProcessInformationLength > 4)
 421                 ret = STATUS_INFO_LENGTH_MISMATCH;
 422         }
 423         else
 424         {
 425             len = 4;
 426             ret = STATUS_INFO_LENGTH_MISMATCH;
 427         }
 428         break;
 429
 430     case ProcessAffinityMask:
 431         len = sizeof(ULONG_PTR);
 432         if (ProcessInformationLength == len)
 433         {
 434             const ULONG_PTR system_mask = get_system_affinity_mask();
 435
 436             SERVER_START_REQ(get_process_info)
 437             {
 438                 req->handle = wine_server_obj_handle( ProcessHandle );
 439                 if (!(ret = wine_server_call( req )))
 440                     *(ULONG_PTR *)ProcessInformation = reply->affinity & system_mask;
 441             }
 442             SERVER_END_REQ;
 443         }
 444         else ret = STATUS_INFO_LENGTH_MISMATCH;
 445         break;
 446
 447     case ProcessWow64Information:
 448         len = sizeof(ULONG_PTR);
 449         if (ProcessInformationLength != len) ret = STATUS_INFO_LENGTH_MISMATCH;
 450         else if (!ProcessInformation) ret = STATUS_ACCESS_VIOLATION;
 451         else if(!ProcessHandle) ret = STATUS_INVALID_HANDLE;
 452         else
 453         {
 454             ULONG_PTR val = 0;
 455
 456             if (ProcessHandle == GetCurrentProcess()) val = is_wow64;
 457             else if (server_cpus & ((1 << CPU_x86_64) | (1 << CPU_ARM64)))
 458             {
 459                 SERVER_START_REQ( get_process_info )
 460                 {
 461                     req->handle = wine_server_obj_handle( ProcessHandle );
 462                     if (!(ret = wine_server_call( req )))
 463                         val = (reply->cpu != CPU_x86_64 && reply->cpu != CPU_ARM64);
 464                 }
 465                 SERVER_END_REQ;
 466             }
 467             *(ULONG_PTR *)ProcessInformation = val;
 468         }
 469         break;
 470     case ProcessImageFileName:
 471         /* FIXME: this will return a DOS path. Windows returns an NT path. Changing this would require also changing kernel32.QueryFullProcessImageName.
 472          * The latter may be harder because of the lack of RtlNtPathNameToDosPathName. */
 473         SERVER_START_REQ(get_dll_info)
 474         {
 475             UNICODE_STRING *image_file_name_str = ProcessInformation;
 476
 477             req->handle = wine_server_obj_handle( ProcessHandle );
 478             req->base_address = 0; /* main module */
 479             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
 480                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
 481             ret = wine_server_call( req );
 482             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
 483
 484             len = sizeof(UNICODE_STRING) + reply->filename_len;
 485             if (ret == STATUS_SUCCESS)
 486             {
 487                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
 488                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
 489             }
 490         }
 491         SERVER_END_REQ;
 492         break;
 493     case ProcessExecuteFlags:
 494         len = sizeof(ULONG);
 495         if (ProcessInformationLength == len)
 496             *(ULONG *)ProcessInformation = execute_flags;
 497         else
 498             ret = STATUS_INFO_LENGTH_MISMATCH;
 499         break;
 500     default:
 501         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
 502               ProcessHandle,ProcessInformationClass,
 503               ProcessInformation,ProcessInformationLength,
 504               ReturnLength);
 505         ret = STATUS_INVALID_INFO_CLASS;
 506         break;
 507     }
 508
 509     if (ReturnLength) *ReturnLength = len;
 510
 511     return ret;
 512 }
 513
 514 /******************************************************************************
 515  * NtSetInformationProcess [NTDLL.@]
 516  * ZwSetInformationProcess [NTDLL.@]
 517  */
 518 NTSTATUS WINAPI NtSetInformationProcess(
 519         IN HANDLE ProcessHandle,
 520         IN PROCESSINFOCLASS ProcessInformationClass,
 521         IN PVOID ProcessInformation,
 522         IN ULONG ProcessInformationLength)
 523 {
 524     NTSTATUS ret = STATUS_SUCCESS;
 525
 526     switch (ProcessInformationClass)
 527     {
 528     case ProcessDefaultHardErrorMode:
 529         if (ProcessInformationLength != sizeof(UINT)) return STATUS_INVALID_PARAMETER;
 530         process_error_mode = *(UINT *)ProcessInformation;
 531         break;
 532     case ProcessAffinityMask:
 533     {
 534         const ULONG_PTR system_mask = get_system_affinity_mask();
 535
 536         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
 537         if (*(PDWORD_PTR)ProcessInformation & ~system_mask)
 538             return STATUS_INVALID_PARAMETER;
 539         if (!*(PDWORD_PTR)ProcessInformation)
 540             return STATUS_INVALID_PARAMETER;
 541         SERVER_START_REQ( set_process_info )
 542         {
 543             req->handle   = wine_server_obj_handle( ProcessHandle );
 544             req->affinity = *(PDWORD_PTR)ProcessInformation;
 545             req->mask     = SET_PROCESS_INFO_AFFINITY;
 546             ret = wine_server_call( req );
 547         }
 548         SERVER_END_REQ;
 549         break;
 550     }
 551     case ProcessPriorityClass:
 552         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
 553             return STATUS_INVALID_PARAMETER;
 554         else
 555         {
 556             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
 557
 558             SERVER_START_REQ( set_process_info )
 559             {
 560                 req->handle   = wine_server_obj_handle( ProcessHandle );
 561                 /* FIXME Foreground isn't used */
 562                 req->priority = ppc->PriorityClass;
 563                 req->mask     = SET_PROCESS_INFO_PRIORITY;
 564                 ret = wine_server_call( req );
 565             }
 566             SERVER_END_REQ;
 567         }
 568         break;
 569
 570     case ProcessExecuteFlags:
 571         if (ProcessInformationLength != sizeof(ULONG))
 572             return STATUS_INVALID_PARAMETER;
 573         else if (execute_flags & MEM_EXECUTE_OPTION_PERMANENT)
 574             return STATUS_ACCESS_DENIED;
 575         else
 576         {
 577             BOOL enable;
 578             switch (*(ULONG *)ProcessInformation & (MEM_EXECUTE_OPTION_ENABLE|MEM_EXECUTE_OPTION_DISABLE))
 579             {
 580             case MEM_EXECUTE_OPTION_ENABLE:
 581                 enable = TRUE;
 582                 break;
 583             case MEM_EXECUTE_OPTION_DISABLE:
 584                 enable = FALSE;
 585                 break;
 586             default:
 587                 return STATUS_INVALID_PARAMETER;
 588             }
 589             execute_flags = *(ULONG *)ProcessInformation;
 590             VIRTUAL_SetForceExec( enable );
 591         }
 592         break;
 593
 594     default:
 595         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 596               ProcessHandle,ProcessInformationClass,ProcessInformation,
 597               ProcessInformationLength);
 598         ret = STATUS_NOT_IMPLEMENTED;
 599         break;
 600     }
 601     return ret;
 602 }
 603
 604 /******************************************************************************
 605  * NtFlushInstructionCache [NTDLL.@]
 606  * ZwFlushInstructionCache [NTDLL.@]
 607  */
 608 NTSTATUS WINAPI NtFlushInstructionCache(
 609         IN HANDLE ProcessHandle,
 610         IN LPCVOID BaseAddress,
 611         IN SIZE_T Size)
 612 {
 613     static int once;
 614     if (!once++)
 615     {
 616 #if defined(__x86_64__) || defined(__i386__)
 617         TRACE("%p %p %ld - no-op on x86 and x86_64\n", ProcessHandle, BaseAddress, Size );
 618 #else
 619         FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
 620 #endif
 621     }
 622     return STATUS_SUCCESS;
 623 }
 624
 625 /******************************************************************
 626  *              NtOpenProcess [NTDLL.@]
 627  *              ZwOpenProcess [NTDLL.@]
 628  */
 629 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
 630                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
 631 {
 632     NTSTATUS    status;
 633
 634     SERVER_START_REQ( open_process )
 635     {
 636         req->pid        = HandleToULong(cid->UniqueProcess);
 637         req->access     = access;
 638         req->attributes = attr ? attr->Attributes : 0;
 639         status = wine_server_call( req );
 640         if (!status) *handle = wine_server_ptr_handle( reply->handle );
 641     }
 642     SERVER_END_REQ;
 643     return status;
 644 }
 645
 646 /******************************************************************************
 647  * NtResumeProcess
 648  * ZwResumeProcess
 649  */
 650 NTSTATUS WINAPI NtResumeProcess( HANDLE handle )
 651 {
 652     FIXME("stub: %p\n", handle);
 653     return STATUS_NOT_IMPLEMENTED;
 654 }
 655
 656 /******************************************************************************
 657  * NtSuspendProcess
 658  * ZwSuspendProcess
 659  */
 660 NTSTATUS WINAPI NtSuspendProcess( HANDLE handle )
 661 {
 662     FIXME("stub: %p\n", handle);
 663     return STATUS_NOT_IMPLEMENTED;
 664 }