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                     if (ProcessHandle == GetCurrentProcess())
 275                         fill_VM_COUNTERS(&pvmi);
 276                     else
 277                         FIXME("Need wineserver call to get VM counters for another process\n");
 278
 279                     len = ProcessInformationLength;
 280                     if (len != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount)) len = sizeof(VM_COUNTERS);
 281
 282                     memcpy(ProcessInformation, &pvmi, min(ProcessInformationLength,sizeof(VM_COUNTERS)));
 283                 }
 284
 285                 if (ProcessInformationLength != FIELD_OFFSET(VM_COUNTERS,PrivatePageCount) &&
 286                     ProcessInformationLength != sizeof(VM_COUNTERS))
 287                     ret = STATUS_INFO_LENGTH_MISMATCH;
 288             }
 289             else
 290             {
 291                 len = sizeof(pvmi);
 292                 ret = STATUS_INFO_LENGTH_MISMATCH;
 293             }
 294         }
 295         break;
 296     case ProcessTimes:
 297         {
 298             KERNEL_USER_TIMES pti;
 299
 300             if (ProcessInformationLength >= sizeof(KERNEL_USER_TIMES))
 301             {
 302                 if (!ProcessInformation)
 303                     ret = STATUS_ACCESS_VIOLATION;
 304                 else if (!ProcessHandle)
 305                     ret = STATUS_INVALID_HANDLE;
 306                 else
 307                 {
 308                     /* FIXME : User- and KernelTime have to be implemented */
 309                     memset(&pti, 0, sizeof(KERNEL_USER_TIMES));
 310
 311                     SERVER_START_REQ(get_process_info)
 312                     {
 313                       req->handle = wine_server_obj_handle( ProcessHandle );
 314                       if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 315                       {
 316                           pti.CreateTime.QuadPart = reply->start_time;
 317                           pti.ExitTime.QuadPart = reply->end_time;
 318                       }
 319                     }
 320                     SERVER_END_REQ;
 321
 322                     memcpy(ProcessInformation, &pti, sizeof(KERNEL_USER_TIMES));
 323                     len = sizeof(KERNEL_USER_TIMES);
 324                 }
 325
 326                 if (ProcessInformationLength > sizeof(KERNEL_USER_TIMES))
 327                     ret = STATUS_INFO_LENGTH_MISMATCH;
 328             }
 329             else
 330             {
 331                 len = sizeof(KERNEL_USER_TIMES);
 332                 ret = STATUS_INFO_LENGTH_MISMATCH;
 333             }
 334         }
 335         break;
 336     case ProcessDebugPort:
 337         len = sizeof(DWORD_PTR);
 338         if (ProcessInformationLength == len)
 339         {
 340             if (!ProcessInformation)
 341                 ret = STATUS_ACCESS_VIOLATION;
 342             else if (!ProcessHandle)
 343                 ret = STATUS_INVALID_HANDLE;
 344             else
 345             {
 346                 SERVER_START_REQ(get_process_info)
 347                 {
 348                     req->handle = wine_server_obj_handle( ProcessHandle );
 349                     if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 350                     {
 351                         *(DWORD_PTR *)ProcessInformation = reply->debugger_present ? ~(DWORD_PTR)0 : 0;
 352                     }
 353                 }
 354                 SERVER_END_REQ;
 355             }
 356         }
 357         else
 358             ret = STATUS_INFO_LENGTH_MISMATCH;
 359         break;
 360     case ProcessDebugFlags:
 361         len = sizeof(DWORD);
 362         if (ProcessInformationLength == len)
 363         {
 364             if (!ProcessInformation)
 365                 ret = STATUS_ACCESS_VIOLATION;
 366             else if (!ProcessHandle)
 367                 ret = STATUS_INVALID_HANDLE;
 368             else
 369             {
 370                 SERVER_START_REQ(get_process_info)
 371                 {
 372                     req->handle = wine_server_obj_handle( ProcessHandle );
 373                     if ((ret = wine_server_call( req )) == STATUS_SUCCESS)
 374                     {
 375                         *(DWORD *)ProcessInformation = reply->debug_children;
 376                     }
 377                 }
 378                 SERVER_END_REQ;
 379             }
 380         }
 381         else
 382             ret = STATUS_INFO_LENGTH_MISMATCH;
 383         break;
 384     case ProcessDefaultHardErrorMode:
 385         len = sizeof(process_error_mode);
 386         if (ProcessInformationLength == len)
 387             memcpy(ProcessInformation, &process_error_mode, len);
 388         else
 389             ret = STATUS_INFO_LENGTH_MISMATCH;
 390         break;
 391     case ProcessDebugObjectHandle:
 392         /* "These are not the debuggers you are looking for." *
 393          * set it to 0 aka "no debugger" to satisfy copy protections */
 394         len = sizeof(HANDLE);
 395         if (ProcessInformationLength == len)
 396         {
 397             if (!ProcessInformation)
 398                 ret = STATUS_ACCESS_VIOLATION;
 399             else if (!ProcessHandle)
 400                 ret = STATUS_INVALID_HANDLE;
 401             else
 402             {
 403                 memset(ProcessInformation, 0, ProcessInformationLength);
 404                 ret = STATUS_PORT_NOT_SET;
 405             }
 406         }
 407         else
 408             ret = STATUS_INFO_LENGTH_MISMATCH;
 409         break;
 410     case ProcessHandleCount:
 411         if (ProcessInformationLength >= 4)
 412         {
 413             if (!ProcessInformation)
 414                 ret = STATUS_ACCESS_VIOLATION;
 415             else if (!ProcessHandle)
 416                 ret = STATUS_INVALID_HANDLE;
 417             else
 418             {
 419                 memset(ProcessInformation, 0, 4);
 420                 len = 4;
 421             }
 422
 423             if (ProcessInformationLength > 4)
 424                 ret = STATUS_INFO_LENGTH_MISMATCH;
 425         }
 426         else
 427         {
 428             len = 4;
 429             ret = STATUS_INFO_LENGTH_MISMATCH;
 430         }
 431         break;
 432
 433     case ProcessAffinityMask:
 434         len = sizeof(ULONG_PTR);
 435         if (ProcessInformationLength == len)
 436         {
 437             const ULONG_PTR system_mask = get_system_affinity_mask();
 438
 439             SERVER_START_REQ(get_process_info)
 440             {
 441                 req->handle = wine_server_obj_handle( ProcessHandle );
 442                 if (!(ret = wine_server_call( req )))
 443                     *(ULONG_PTR *)ProcessInformation = reply->affinity & system_mask;
 444             }
 445             SERVER_END_REQ;
 446         }
 447         else ret = STATUS_INFO_LENGTH_MISMATCH;
 448         break;
 449
 450     case ProcessWow64Information:
 451         len = sizeof(ULONG_PTR);
 452         if (ProcessInformationLength != len) ret = STATUS_INFO_LENGTH_MISMATCH;
 453         else if (!ProcessInformation) ret = STATUS_ACCESS_VIOLATION;
 454         else if(!ProcessHandle) ret = STATUS_INVALID_HANDLE;
 455         else
 456         {
 457             ULONG_PTR val = 0;
 458
 459             if (ProcessHandle == GetCurrentProcess()) val = is_wow64;
 460             else if (server_cpus & ((1 << CPU_x86_64) | (1 << CPU_ARM64)))
 461             {
 462                 SERVER_START_REQ( get_process_info )
 463                 {
 464                     req->handle = wine_server_obj_handle( ProcessHandle );
 465                     if (!(ret = wine_server_call( req )))
 466                         val = (reply->cpu != CPU_x86_64 && reply->cpu != CPU_ARM64);
 467                 }
 468                 SERVER_END_REQ;
 469             }
 470             *(ULONG_PTR *)ProcessInformation = val;
 471         }
 472         break;
 473     case ProcessImageFileName:
 474         /* FIXME: this will return a DOS path. Windows returns an NT path. Changing this would require also changing kernel32.QueryFullProcessImageName.
 475          * The latter may be harder because of the lack of RtlNtPathNameToDosPathName. */
 476         SERVER_START_REQ(get_dll_info)
 477         {
 478             UNICODE_STRING *image_file_name_str = ProcessInformation;
 479
 480             req->handle = wine_server_obj_handle( ProcessHandle );
 481             req->base_address = 0; /* main module */
 482             wine_server_set_reply( req, image_file_name_str ? image_file_name_str + 1 : NULL,
 483                                    ProcessInformationLength > sizeof(UNICODE_STRING) ? ProcessInformationLength - sizeof(UNICODE_STRING) : 0 );
 484             ret = wine_server_call( req );
 485             if (ret == STATUS_BUFFER_TOO_SMALL) ret = STATUS_INFO_LENGTH_MISMATCH;
 486
 487             len = sizeof(UNICODE_STRING) + reply->filename_len;
 488             if (ret == STATUS_SUCCESS)
 489             {
 490                 image_file_name_str->MaximumLength = image_file_name_str->Length = reply->filename_len;
 491                 image_file_name_str->Buffer = (PWSTR)(image_file_name_str + 1);
 492             }
 493         }
 494         SERVER_END_REQ;
 495         break;
 496     case ProcessExecuteFlags:
 497         len = sizeof(ULONG);
 498         if (ProcessInformationLength == len)
 499             *(ULONG *)ProcessInformation = execute_flags;
 500         else
 501             ret = STATUS_INFO_LENGTH_MISMATCH;
 502         break;
 503     default:
 504         FIXME("(%p,info_class=%d,%p,0x%08x,%p) Unknown information class\n",
 505               ProcessHandle,ProcessInformationClass,
 506               ProcessInformation,ProcessInformationLength,
 507               ReturnLength);
 508         ret = STATUS_INVALID_INFO_CLASS;
 509         break;
 510     }
 511
 512     if (ReturnLength) *ReturnLength = len;
 513
 514     return ret;
 515 }
 516
 517 /******************************************************************************
 518  * NtSetInformationProcess [NTDLL.@]
 519  * ZwSetInformationProcess [NTDLL.@]
 520  */
 521 NTSTATUS WINAPI NtSetInformationProcess(
 522         IN HANDLE ProcessHandle,
 523         IN PROCESSINFOCLASS ProcessInformationClass,
 524         IN PVOID ProcessInformation,
 525         IN ULONG ProcessInformationLength)
 526 {
 527     NTSTATUS ret = STATUS_SUCCESS;
 528
 529     switch (ProcessInformationClass)
 530     {
 531     case ProcessDefaultHardErrorMode:
 532         if (ProcessInformationLength != sizeof(UINT)) return STATUS_INVALID_PARAMETER;
 533         process_error_mode = *(UINT *)ProcessInformation;
 534         break;
 535     case ProcessAffinityMask:
 536     {
 537         const ULONG_PTR system_mask = get_system_affinity_mask();
 538
 539         if (ProcessInformationLength != sizeof(DWORD_PTR)) return STATUS_INVALID_PARAMETER;
 540         if (*(PDWORD_PTR)ProcessInformation & ~system_mask)
 541             return STATUS_INVALID_PARAMETER;
 542         if (!*(PDWORD_PTR)ProcessInformation)
 543             return STATUS_INVALID_PARAMETER;
 544         SERVER_START_REQ( set_process_info )
 545         {
 546             req->handle   = wine_server_obj_handle( ProcessHandle );
 547             req->affinity = *(PDWORD_PTR)ProcessInformation;
 548             req->mask     = SET_PROCESS_INFO_AFFINITY;
 549             ret = wine_server_call( req );
 550         }
 551         SERVER_END_REQ;
 552         break;
 553     }
 554     case ProcessPriorityClass:
 555         if (ProcessInformationLength != sizeof(PROCESS_PRIORITY_CLASS))
 556             return STATUS_INVALID_PARAMETER;
 557         else
 558         {
 559             PROCESS_PRIORITY_CLASS* ppc = ProcessInformation;
 560
 561             SERVER_START_REQ( set_process_info )
 562             {
 563                 req->handle   = wine_server_obj_handle( ProcessHandle );
 564                 /* FIXME Foreground isn't used */
 565                 req->priority = ppc->PriorityClass;
 566                 req->mask     = SET_PROCESS_INFO_PRIORITY;
 567                 ret = wine_server_call( req );
 568             }
 569             SERVER_END_REQ;
 570         }
 571         break;
 572
 573     case ProcessExecuteFlags:
 574         if (ProcessInformationLength != sizeof(ULONG))
 575             return STATUS_INVALID_PARAMETER;
 576         else if (execute_flags & MEM_EXECUTE_OPTION_PERMANENT)
 577             return STATUS_ACCESS_DENIED;
 578         else
 579         {
 580             BOOL enable;
 581             switch (*(ULONG *)ProcessInformation & (MEM_EXECUTE_OPTION_ENABLE|MEM_EXECUTE_OPTION_DISABLE))
 582             {
 583             case MEM_EXECUTE_OPTION_ENABLE:
 584                 enable = TRUE;
 585                 break;
 586             case MEM_EXECUTE_OPTION_DISABLE:
 587                 enable = FALSE;
 588                 break;
 589             default:
 590                 return STATUS_INVALID_PARAMETER;
 591             }
 592             execute_flags = *(ULONG *)ProcessInformation;
 593             VIRTUAL_SetForceExec( enable );
 594         }
 595         break;
 596
 597     default:
 598         FIXME("(%p,0x%08x,%p,0x%08x) stub\n",
 599               ProcessHandle,ProcessInformationClass,ProcessInformation,
 600               ProcessInformationLength);
 601         ret = STATUS_NOT_IMPLEMENTED;
 602         break;
 603     }
 604     return ret;
 605 }
 606
 607 /******************************************************************************
 608  * NtFlushInstructionCache [NTDLL.@]
 609  * ZwFlushInstructionCache [NTDLL.@]
 610  */
 611 NTSTATUS WINAPI NtFlushInstructionCache(
 612         IN HANDLE ProcessHandle,
 613         IN LPCVOID BaseAddress,
 614         IN SIZE_T Size)
 615 {
 616     static int once;
 617     if (!once++)
 618     {
 619 #if defined(__x86_64__) || defined(__i386__)
 620         TRACE("%p %p %ld - no-op on x86 and x86_64\n", ProcessHandle, BaseAddress, Size );
 621 #else
 622         FIXME("%p %p %ld\n", ProcessHandle, BaseAddress, Size );
 623 #endif
 624     }
 625     return STATUS_SUCCESS;
 626 }
 627
 628 /******************************************************************
 629  *              NtOpenProcess [NTDLL.@]
 630  *              ZwOpenProcess [NTDLL.@]
 631  */
 632 NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
 633                                const OBJECT_ATTRIBUTES* attr, const CLIENT_ID* cid)
 634 {
 635     NTSTATUS    status;
 636
 637     SERVER_START_REQ( open_process )
 638     {
 639         req->pid        = HandleToULong(cid->UniqueProcess);
 640         req->access     = access;
 641         req->attributes = attr ? attr->Attributes : 0;
 642         status = wine_server_call( req );
 643         if (!status) *handle = wine_server_ptr_handle( reply->handle );
 644     }
 645     SERVER_END_REQ;
 646     return status;
 647 }
 648
 649 /******************************************************************************
 650  * NtResumeProcess
 651  * ZwResumeProcess
 652  */
 653 NTSTATUS WINAPI NtResumeProcess( HANDLE handle )
 654 {
 655     FIXME("stub: %p\n", handle);
 656     return STATUS_NOT_IMPLEMENTED;
 657 }
 658
 659 /******************************************************************************
 660  * NtSuspendProcess
 661  * ZwSuspendProcess
 662  */
 663 NTSTATUS WINAPI NtSuspendProcess( HANDLE handle )
 664 {
 665     FIXME("stub: %p\n", handle);
 666     return STATUS_NOT_IMPLEMENTED;
 667 }