text: /*
   * Kernel synchronization objects
   *
   * Copyright 1998 Alexandre Julliard
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #include <stdarg.h>
  #include <string.h>
  #include <stdio.h>
  
  #include "ntstatus.h"
  #define WIN32_NO_STATUS
  #define NONAMELESSUNION
  #include "windef.h"
  #include "winbase.h"
  #include "wincon.h"
  #include "winerror.h"
  #include "winnls.h"
  #include "winternl.h"
  #include "winioctl.h"
  #include "ddk/wdm.h"
  
  #include "kernelbase.h"
  #include "wine/asm.h"
  #include "wine/debug.h"
  
  WINE_DEFAULT_DEBUG_CHANNEL(sync);
  
  /* check if current version is NT or Win95 */
  static inline BOOL is_version_nt(void)
  {
      return !(GetVersion() & 0x80000000);
  }
  
  /* helper for kernel32->ntdll timeout format conversion */
  static inline LARGE_INTEGER *get_nt_timeout( LARGE_INTEGER *time, DWORD timeout )
  {
      if (timeout == INFINITE) return NULL;
      time->QuadPart = (ULONGLONG)timeout * -10000;
      return time;
  }
  
  
  /***********************************************************************
   *              BaseGetNamedObjectDirectory  (kernelbase.@)
   */
  NTSTATUS WINAPI BaseGetNamedObjectDirectory( HANDLE *dir )
  {
      static HANDLE handle;
      static const WCHAR basenameW[] = {'\\','S','e','s','s','i','o','n','s','\\','%','u',
                                        '\\','B','a','s','e','N','a','m','e','d','O','b','j','e','c','t','s',0};
      WCHAR buffer[64];
      UNICODE_STRING str;
      OBJECT_ATTRIBUTES attr;
      NTSTATUS status = STATUS_SUCCESS;
  
      if (!handle)
      {
          HANDLE dir;
  
          swprintf( buffer, ARRAY_SIZE(buffer), basenameW, NtCurrentTeb()->Peb->SessionId );
          RtlInitUnicodeString( &str, buffer );
          InitializeObjectAttributes(&attr, &str, 0, 0, NULL);
          status = NtOpenDirectoryObject( &dir, DIRECTORY_CREATE_OBJECT|DIRECTORY_TRAVERSE, &attr );
          if (!status && InterlockedCompareExchangePointer( &handle, dir, 0 ) != 0)
          {
              /* someone beat us here... */
              CloseHandle( dir );
          }
      }
      *dir = handle;
      return status;
  }
  
  static void get_create_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
                                            SECURITY_ATTRIBUTES *sa, const WCHAR *name )
  {
      attr->Length                   = sizeof(*attr);
      attr->RootDirectory            = 0;
      attr->ObjectName               = NULL;
      attr->Attributes               = OBJ_OPENIF | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
      attr->SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
      attr->SecurityQualityOfService = NULL;
      if (name)
      {
          RtlInitUnicodeString( nameW, name );
          attr->ObjectName = nameW;
          BaseGetNamedObjectDirectory( &attr->RootDirectory );
      }
  }
  
  static BOOL get_open_object_attributes( OBJECT_ATTRIBUTES *attr, UNICODE_STRING *nameW,
                                          BOOL inherit, const WCHAR *name )
  {
      HANDLE dir;
  
      if (!name)
      {
          SetLastError( ERROR_INVALID_PARAMETER );
          return FALSE;
      }
      RtlInitUnicodeString( nameW, name );
      BaseGetNamedObjectDirectory( &dir );
      InitializeObjectAttributes( attr, nameW, inherit ? OBJ_INHERIT : 0, dir, NULL );
      return TRUE;
  }
  
  
  /***********************************************************************
   * Waits
   ***********************************************************************/
  
  
  static HANDLE normalize_handle_if_console( HANDLE handle )
  {
      if ((handle == (HANDLE)STD_INPUT_HANDLE) ||
          (handle == (HANDLE)STD_OUTPUT_HANDLE) ||
          (handle == (HANDLE)STD_ERROR_HANDLE))
          handle = GetStdHandle( HandleToULong(handle) );
  
      /* even screen buffer console handles are waitable, and are
       * handled as a handle to the console itself
       */
      if (is_console_handle( handle ) && VerifyConsoleIoHandle( handle ))
          handle = GetConsoleInputWaitHandle();
  
      return handle;
  }
  
  
  /***********************************************************************
   *           RegisterWaitForSingleObjectEx   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH RegisterWaitForSingleObjectEx( HANDLE handle, WAITORTIMERCALLBACK callback,
                                                                 PVOID context, ULONG timeout, ULONG flags )
  {
      HANDLE ret;
  
      TRACE( "%p %p %p %d %d\n", handle, callback, context, timeout, flags );
  
      handle = normalize_handle_if_console( handle );
      if (!set_ntstatus( RtlRegisterWait( &ret, handle, callback, context, timeout, flags ))) return NULL;
      return ret;
  }
  
  
  /***********************************************************************
   *           SignalObjectAndWait  (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH SignalObjectAndWait( HANDLE signal, HANDLE wait,
                                                      DWORD timeout, BOOL alertable )
  {
      NTSTATUS status;
      LARGE_INTEGER time;
  
      TRACE( "%p %p %d %d\n", signal, wait, timeout, alertable );
  
      status = NtSignalAndWaitForSingleObject( signal, wait, alertable, get_nt_timeout( &time, timeout ) );
      if (HIWORD(status))
      {
          SetLastError( RtlNtStatusToDosError(status) );
          status = WAIT_FAILED;
      }
      return status;
  }
  
  
  /***********************************************************************
   *              Sleep  (kernelbase.@)
   */
  void WINAPI DECLSPEC_HOTPATCH Sleep( DWORD timeout )
  {
      LARGE_INTEGER time;
  
      NtDelayExecution( FALSE, get_nt_timeout( &time, timeout ) );
  }
  
  
  /******************************************************************************
   *              SleepEx   (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH SleepEx( DWORD timeout, BOOL alertable )
  {
      NTSTATUS status;
      LARGE_INTEGER time;
  
      status = NtDelayExecution( alertable, get_nt_timeout( &time, timeout ) );
      if (status == STATUS_USER_APC) return WAIT_IO_COMPLETION;
      return 0;
  }
  
  
  /***********************************************************************
   *           UnregisterWaitEx   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH UnregisterWaitEx( HANDLE handle, HANDLE event )
  {
      return set_ntstatus( RtlDeregisterWaitEx( handle, event ));
  }
  
  
  /***********************************************************************
   *           WaitForSingleObject   (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH WaitForSingleObject( HANDLE handle, DWORD timeout )
  {
      return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, FALSE );
  }
  
  
  /***********************************************************************
   *           WaitForSingleObjectEx   (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH WaitForSingleObjectEx( HANDLE handle, DWORD timeout, BOOL alertable )
  {
      return WaitForMultipleObjectsEx( 1, &handle, FALSE, timeout, alertable );
  }
  
  
  /***********************************************************************
   *           WaitForMultipleObjects   (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH WaitForMultipleObjects( DWORD count, const HANDLE *handles,
                                                         BOOL wait_all, DWORD timeout )
  {
      return WaitForMultipleObjectsEx( count, handles, wait_all, timeout, FALSE );
  }
  
  
  /***********************************************************************
   *           WaitForMultipleObjectsEx   (kernelbase.@)
   */
  DWORD WINAPI DECLSPEC_HOTPATCH WaitForMultipleObjectsEx( DWORD count, const HANDLE *handles,
                                                           BOOL wait_all, DWORD timeout, BOOL alertable )
  {
      NTSTATUS status;
      HANDLE hloc[MAXIMUM_WAIT_OBJECTS];
      LARGE_INTEGER time;
      unsigned int i;
  
      if (count > MAXIMUM_WAIT_OBJECTS)
      {
          SetLastError(ERROR_INVALID_PARAMETER);
          return WAIT_FAILED;
      }
      for (i = 0; i < count; i++) hloc[i] = normalize_handle_if_console( handles[i] );
  
      status = NtWaitForMultipleObjects( count, hloc, !wait_all, alertable,
                                         get_nt_timeout( &time, timeout ) );
      if (HIWORD(status))  /* is it an error code? */
      {
          SetLastError( RtlNtStatusToDosError(status) );
          status = WAIT_FAILED;
      }
      return status;
  }
  
  
  /***********************************************************************
   * Events
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CreateEventA    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventA( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
                                                BOOL initial_state, LPCSTR name )
  {
      DWORD flags = 0;
  
      if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
      if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
      return CreateEventExA( sa, name, flags, EVENT_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateEventW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventW( SECURITY_ATTRIBUTES *sa, BOOL manual_reset,
                                                BOOL initial_state, LPCWSTR name )
  {
      DWORD flags = 0;
  
      if (manual_reset) flags |= CREATE_EVENT_MANUAL_RESET;
      if (initial_state) flags |= CREATE_EVENT_INITIAL_SET;
      return CreateEventExW( sa, name, flags, EVENT_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateEventExA    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExA( SECURITY_ATTRIBUTES *sa, LPCSTR name,
                                                  DWORD flags, DWORD access )
  {
      WCHAR buffer[MAX_PATH];
  
      if (!name) return CreateEventExW( sa, NULL, flags, access );
  
      if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
      {
          SetLastError( ERROR_FILENAME_EXCED_RANGE );
          return 0;
      }
      return CreateEventExW( sa, buffer, flags, access );
  }
  
  
  /***********************************************************************
   *           CreateEventExW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateEventExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
                                                  DWORD flags, DWORD access )
  {
      HANDLE ret = 0;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
      NTSTATUS status;
  
      /* one buggy program needs this
       * ("Van Dale Groot woordenboek der Nederlandse taal")
       */
      if (sa && IsBadReadPtr(sa,sizeof(SECURITY_ATTRIBUTES)))
      {
          ERR("Bad security attributes pointer %p\n",sa);
          SetLastError( ERROR_INVALID_PARAMETER);
          return 0;
      }
  
      get_create_object_attributes( &attr, &nameW, sa, name );
  
      status = NtCreateEvent( &ret, access, &attr,
                              (flags & CREATE_EVENT_MANUAL_RESET) ? NotificationEvent : SynchronizationEvent,
                              (flags & CREATE_EVENT_INITIAL_SET) != 0 );
      if (status == STATUS_OBJECT_NAME_EXISTS)
          SetLastError( ERROR_ALREADY_EXISTS );
      else
          SetLastError( RtlNtStatusToDosError(status) );
      return ret;
  }
  
  
  /***********************************************************************
   *           OpenEventA    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventA( DWORD access, BOOL inherit, LPCSTR name )
  {
      WCHAR buffer[MAX_PATH];
  
      if (!name) return OpenEventW( access, inherit, NULL );
  
      if (!MultiByteToWideChar( CP_ACP, 0, name, -1, buffer, MAX_PATH ))
      {
          SetLastError( ERROR_FILENAME_EXCED_RANGE );
          return 0;
      }
      return OpenEventW( access, inherit, buffer );
  }
  
  
  /***********************************************************************
   *           OpenEventW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenEventW( DWORD access, BOOL inherit, LPCWSTR name )
  {
      HANDLE ret;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      if (!is_version_nt()) access = EVENT_ALL_ACCESS;
  
      if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
  
      if (!set_ntstatus( NtOpenEvent( &ret, access, &attr ))) return 0;
      return ret;
  }
  
  /***********************************************************************
   *           PulseEvent    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH PulseEvent( HANDLE handle )
  {
      return set_ntstatus( NtPulseEvent( handle, NULL ));
  }
  
  
  /***********************************************************************
   *           SetEvent    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SetEvent( HANDLE handle )
  {
      return set_ntstatus( NtSetEvent( handle, NULL ));
  }
  
  
  /***********************************************************************
   *           ResetEvent    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH ResetEvent( HANDLE handle )
  {
      return set_ntstatus( NtResetEvent( handle, NULL ));
  }
  
  
  /***********************************************************************
   * Mutexes
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CreateMutexA   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexA( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCSTR name )
  {
      return CreateMutexExA( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateMutexW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexW( SECURITY_ATTRIBUTES *sa, BOOL owner, LPCWSTR name )
  {
      return CreateMutexExW( sa, name, owner ? CREATE_MUTEX_INITIAL_OWNER : 0, MUTEX_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateMutexExA   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExA( SECURITY_ATTRIBUTES *sa, LPCSTR name,
                                                  DWORD flags, DWORD access )
  {
      ANSI_STRING nameA;
      NTSTATUS status;
  
      if (!name) return CreateMutexExW( sa, NULL, flags, access );
  
      RtlInitAnsiString( &nameA, name );
      status = RtlAnsiStringToUnicodeString( &NtCurrentTeb()->StaticUnicodeString, &nameA, FALSE );
      if (status != STATUS_SUCCESS)
      {
          SetLastError( ERROR_FILENAME_EXCED_RANGE );
          return 0;
      }
      return CreateMutexExW( sa, NtCurrentTeb()->StaticUnicodeString.Buffer, flags, access );
  }
  
  
  /***********************************************************************
   *           CreateMutexExW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateMutexExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
                                                  DWORD flags, DWORD access )
  {
      HANDLE ret = 0;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
      NTSTATUS status;
  
      get_create_object_attributes( &attr, &nameW, sa, name );
  
      status = NtCreateMutant( &ret, access, &attr, (flags & CREATE_MUTEX_INITIAL_OWNER) != 0 );
      if (status == STATUS_OBJECT_NAME_EXISTS)
          SetLastError( ERROR_ALREADY_EXISTS );
      else
          SetLastError( RtlNtStatusToDosError(status) );
      return ret;
  }
  
  
  /***********************************************************************
   *           OpenMutexW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenMutexW( DWORD access, BOOL inherit, LPCWSTR name )
  {
      HANDLE ret;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      if (!is_version_nt()) access = MUTEX_ALL_ACCESS;
  
      if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
  
      if (!set_ntstatus( NtOpenMutant( &ret, access, &attr ))) return 0;
      return ret;
  }
  
  
  /***********************************************************************
   *           ReleaseMutex   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH ReleaseMutex( HANDLE handle )
  {
      return set_ntstatus( NtReleaseMutant( handle, NULL ));
  }
  
  
  /***********************************************************************
   * Semaphores
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CreateSemaphoreW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreW( SECURITY_ATTRIBUTES *sa, LONG initial,
                                                    LONG max, LPCWSTR name )
  {
      return CreateSemaphoreExW( sa, initial, max, name, 0, SEMAPHORE_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateSemaphoreExW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateSemaphoreExW( SECURITY_ATTRIBUTES *sa, LONG initial, LONG max,
                                                      LPCWSTR name, DWORD flags, DWORD access )
  {
      HANDLE ret = 0;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
      NTSTATUS status;
  
      get_create_object_attributes( &attr, &nameW, sa, name );
  
      status = NtCreateSemaphore( &ret, access, &attr, initial, max );
      if (status == STATUS_OBJECT_NAME_EXISTS)
          SetLastError( ERROR_ALREADY_EXISTS );
      else
          SetLastError( RtlNtStatusToDosError(status) );
      return ret;
  }
  
  
  /***********************************************************************
   *           OpenSemaphoreW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenSemaphoreW( DWORD access, BOOL inherit, LPCWSTR name )
  {
      HANDLE ret;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      if (!is_version_nt()) access = SEMAPHORE_ALL_ACCESS;
  
      if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
  
      if (!set_ntstatus( NtOpenSemaphore( &ret, access, &attr ))) return 0;
      return ret;
  }
  
  
  /***********************************************************************
   *           ReleaseSemaphore   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH ReleaseSemaphore( HANDLE handle, LONG count, LONG *previous )
  {
      return set_ntstatus( NtReleaseSemaphore( handle, count, (PULONG)previous ));
  }
  
  
  /***********************************************************************
   * Waitable timers
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CreateWaitableTimerW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateWaitableTimerW( SECURITY_ATTRIBUTES *sa, BOOL manual, LPCWSTR name )
  {
      return CreateWaitableTimerExW( sa, name, manual ? CREATE_WAITABLE_TIMER_MANUAL_RESET : 0,
                                     TIMER_ALL_ACCESS );
  }
  
  
  /***********************************************************************
   *           CreateWaitableTimerExW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateWaitableTimerExW( SECURITY_ATTRIBUTES *sa, LPCWSTR name,
                                                          DWORD flags, DWORD access )
  {
      HANDLE handle;
      NTSTATUS status;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      get_create_object_attributes( &attr, &nameW, sa, name );
  
      status = NtCreateTimer( &handle, access, &attr,
                   (flags & CREATE_WAITABLE_TIMER_MANUAL_RESET) ? NotificationTimer : SynchronizationTimer );
      if (status == STATUS_OBJECT_NAME_EXISTS)
          SetLastError( ERROR_ALREADY_EXISTS );
      else
          SetLastError( RtlNtStatusToDosError(status) );
      return handle;
  }
  
  
  /***********************************************************************
   *           OpenWaitableTimerW    (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenWaitableTimerW( DWORD access, BOOL inherit, LPCWSTR name )
  {
      HANDLE handle;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      if (!is_version_nt()) access = TIMER_ALL_ACCESS;
  
      if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
  
      if (!set_ntstatus( NtOpenTimer( &handle, access, &attr ))) return 0;
      return handle;
  }
  
  
  /***********************************************************************
   *           SetWaitableTimer    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SetWaitableTimer( HANDLE handle, const LARGE_INTEGER *when, LONG period,
                                                  PTIMERAPCROUTINE callback, LPVOID arg, BOOL resume )
  {
      NTSTATUS status = NtSetTimer( handle, when, (PTIMER_APC_ROUTINE)callback,
                                    arg, resume, period, NULL );
      return set_ntstatus( status ) || status == STATUS_TIMER_RESUME_IGNORED;
  }
  
  
  /***********************************************************************
   *           SetWaitableTimerEx    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SetWaitableTimerEx( HANDLE handle, const LARGE_INTEGER *when, LONG period,
                                                    PTIMERAPCROUTINE callback, LPVOID arg,
                                                    REASON_CONTEXT *context, ULONG tolerabledelay )
  {
      static int once;
      if (!once++) FIXME( "(%p, %p, %d, %p, %p, %p, %d) semi-stub\n",
                          handle, when, period, callback, arg, context, tolerabledelay );
  
      return SetWaitableTimer( handle, when, period, callback, arg, FALSE );
  }
  
  
  /***********************************************************************
   *           CancelWaitableTimer    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH CancelWaitableTimer( HANDLE handle )
  {
      return set_ntstatus( NtCancelTimer( handle, NULL ));
  }
  
  
  /***********************************************************************
   * Timer queues
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CreateTimerQueue  (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateTimerQueue(void)
  {
      HANDLE q;
  
      if (!set_ntstatus( RtlCreateTimerQueue( &q ))) return NULL;
      return q;
  }
  
  
  /***********************************************************************
   *           CreateTimerQueueTimer  (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH CreateTimerQueueTimer( PHANDLE timer, HANDLE queue,
                                                       WAITORTIMERCALLBACK callback, PVOID arg,
                                                       DWORD when, DWORD period, ULONG flags )
  {
      return set_ntstatus( RtlCreateTimer( timer, queue, callback, arg, when, period, flags ));
  }
  
  
  /***********************************************************************
   *           ChangeTimerQueueTimer  (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH ChangeTimerQueueTimer( HANDLE queue, HANDLE timer,
                                                       ULONG when, ULONG period )
  {
      return set_ntstatus( RtlUpdateTimer( queue, timer, when, period ));
  }
  
  
  /***********************************************************************
   *           DeleteTimerQueueEx  (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH DeleteTimerQueueEx( HANDLE queue, HANDLE event )
  {
      return set_ntstatus( RtlDeleteTimerQueueEx( queue, event ));
  }
  
  
  /***********************************************************************
   *           DeleteTimerQueueTimer  (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH DeleteTimerQueueTimer( HANDLE queue, HANDLE timer, HANDLE event )
  {
      return set_ntstatus( RtlDeleteTimer( queue, timer, event ));
  }
  
  
  /***********************************************************************
   * Critical sections
   ***********************************************************************/
  
  
  /***********************************************************************
   *           InitializeCriticalSectionAndSpinCount   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH InitializeCriticalSectionAndSpinCount( CRITICAL_SECTION *crit, DWORD count )
  {
      return !RtlInitializeCriticalSectionAndSpinCount( crit, count );
  }
  
  /***********************************************************************
   *           InitializeCriticalSectionEx   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH InitializeCriticalSectionEx( CRITICAL_SECTION *crit, DWORD spincount,
                                                             DWORD flags )
  {
      NTSTATUS ret = RtlInitializeCriticalSectionEx( crit, spincount, flags );
      if (ret) RtlRaiseStatus( ret );
      return !ret;
  }
  
  
  /***********************************************************************
   * File mappings
   ***********************************************************************/
  
  
  /***********************************************************************
   *             CreateFileMappingW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateFileMappingW( HANDLE file, LPSECURITY_ATTRIBUTES sa, DWORD protect,
                                                      DWORD size_high, DWORD size_low, LPCWSTR name )
  {
      static const int sec_flags = (SEC_FILE | SEC_IMAGE | SEC_RESERVE | SEC_COMMIT |
                                    SEC_NOCACHE | SEC_WRITECOMBINE | SEC_LARGE_PAGES);
      HANDLE ret;
      NTSTATUS status;
      DWORD access, sec_type;
      LARGE_INTEGER size;
      UNICODE_STRING nameW;
      OBJECT_ATTRIBUTES attr;
  
      sec_type = protect & sec_flags;
      protect &= ~sec_flags;
      if (!sec_type) sec_type = SEC_COMMIT;
  
      /* Win9x compatibility */
      if (!protect && !is_version_nt()) protect = PAGE_READONLY;
  
      switch(protect)
      {
      case PAGE_READONLY:
      case PAGE_WRITECOPY:
          access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ;
          break;
      case PAGE_READWRITE:
          access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE;
          break;
      case PAGE_EXECUTE_READ:
      case PAGE_EXECUTE_WRITECOPY:
          access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_EXECUTE;
          break;
      case PAGE_EXECUTE_READWRITE:
          access = STANDARD_RIGHTS_REQUIRED | SECTION_QUERY | SECTION_MAP_READ | SECTION_MAP_WRITE | SECTION_MAP_EXECUTE;
          break;
      default:
          SetLastError( ERROR_INVALID_PARAMETER );
          return 0;
      }
  
      size.u.LowPart  = size_low;
      size.u.HighPart = size_high;
  
      if (file == INVALID_HANDLE_VALUE)
      {
          file = 0;
          if (!size.QuadPart)
          {
              SetLastError( ERROR_INVALID_PARAMETER );
              return 0;
          }
      }
  
      get_create_object_attributes( &attr, &nameW, sa, name );
  
      status = NtCreateSection( &ret, access, &attr, &size, protect, sec_type, file );
      if (status == STATUS_OBJECT_NAME_EXISTS)
          SetLastError( ERROR_ALREADY_EXISTS );
      else
          SetLastError( RtlNtStatusToDosError(status) );
      return ret;
  }
  
  
  /***********************************************************************
   *             OpenFileMappingW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH OpenFileMappingW( DWORD access, BOOL inherit, LPCWSTR name )
  {
      OBJECT_ATTRIBUTES attr;
      UNICODE_STRING nameW;
      HANDLE ret;
  
      if (!get_open_object_attributes( &attr, &nameW, inherit, name )) return 0;
  
      if (access == FILE_MAP_COPY) access = SECTION_MAP_READ;
  
      if (!is_version_nt())
      {
          /* win9x doesn't do access checks, so try with full access first */
          if (!NtOpenSection( &ret, access | SECTION_MAP_READ | SECTION_MAP_WRITE, &attr )) return ret;
      }
  
      if (!set_ntstatus( NtOpenSection( &ret, access, &attr ))) return 0;
      return ret;
  }
  
  
  /***********************************************************************
   * Condition variables
   ***********************************************************************/
  
  
  /***********************************************************************
   *           SleepConditionVariableCS   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SleepConditionVariableCS( CONDITION_VARIABLE *variable,
                                                          CRITICAL_SECTION *crit, DWORD timeout )
  {
      LARGE_INTEGER time;
  
      return set_ntstatus( RtlSleepConditionVariableCS( variable, crit, get_nt_timeout( &time, timeout )));
  }
  
  
  /***********************************************************************
   *           SleepConditionVariableSRW   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SleepConditionVariableSRW( RTL_CONDITION_VARIABLE *variable,
                                                           RTL_SRWLOCK *lock, DWORD timeout, ULONG flags )
  {
      LARGE_INTEGER time;
  
      return set_ntstatus( RtlSleepConditionVariableSRW( variable, lock,
                                                         get_nt_timeout( &time, timeout ), flags ));
  }
  
  
  /***********************************************************************
   * I/O completions
   ***********************************************************************/
  
  
  /******************************************************************************
   *		CreateIoCompletionPort   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateIoCompletionPort( HANDLE handle, HANDLE port,
                                                          ULONG_PTR key, DWORD threads )
  {
      FILE_COMPLETION_INFORMATION info;
      IO_STATUS_BLOCK iosb;
      HANDLE ret = port;
  
      TRACE( "(%p, %p, %08lx, %08x)\n", handle, port, key, threads );
  
      if (!port)
      {
          if (!set_ntstatus( NtCreateIoCompletion( &ret, IO_COMPLETION_ALL_ACCESS, NULL, threads )))
              return 0;
      }
      else if (handle == INVALID_HANDLE_VALUE)
      {
          SetLastError( ERROR_INVALID_PARAMETER );
          return 0;
      }
  
      if (handle != INVALID_HANDLE_VALUE)
      {
          info.CompletionPort = ret;
          info.CompletionKey = key;
          if (!set_ntstatus( NtSetInformationFile( handle, &iosb, &info, sizeof(info), FileCompletionInformation )))
          {
              if (!port) CloseHandle( ret );
              return 0;
          }
      }
      return ret;
  }
  
  
  /******************************************************************************
   *		GetQueuedCompletionStatus   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH GetQueuedCompletionStatus( HANDLE port, LPDWORD count, PULONG_PTR key,
                                                           LPOVERLAPPED *overlapped, DWORD timeout )
  {
      NTSTATUS status;
      IO_STATUS_BLOCK iosb;
      LARGE_INTEGER wait_time;
  
      TRACE( "(%p,%p,%p,%p,%d)\n", port, count, key, overlapped, timeout );
  
      *overlapped = NULL;
      status = NtRemoveIoCompletion( port, key, (PULONG_PTR)overlapped, &iosb,
                                     get_nt_timeout( &wait_time, timeout ) );
      if (status == STATUS_SUCCESS)
      {
          *count = iosb.Information;
          if (iosb.u.Status >= 0) return TRUE;
          SetLastError( RtlNtStatusToDosError(iosb.u.Status) );
          return FALSE;
      }
  
      if (status == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
      else SetLastError( RtlNtStatusToDosError(status) );
      return FALSE;
  }
  
  /******************************************************************************
   *              GetQueuedCompletionStatusEx   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH GetQueuedCompletionStatusEx( HANDLE port, OVERLAPPED_ENTRY *entries,
                                                             ULONG count, ULONG *written,
                                                             DWORD timeout, BOOL alertable )
  {
      LARGE_INTEGER time;
      NTSTATUS ret;
  
      TRACE( "%p %p %u %p %u %u\n", port, entries, count, written, timeout, alertable );
  
      ret = NtRemoveIoCompletionEx( port, (FILE_IO_COMPLETION_INFORMATION *)entries, count,
                                    written, get_nt_timeout( &time, timeout ), alertable );
      if (ret == STATUS_SUCCESS) return TRUE;
      else if (ret == STATUS_TIMEOUT) SetLastError( WAIT_TIMEOUT );
      else if (ret == STATUS_USER_APC) SetLastError( WAIT_IO_COMPLETION );
      else SetLastError( RtlNtStatusToDosError(ret) );
      return FALSE;
  }
  
  
  /******************************************************************************
   *		PostQueuedCompletionStatus   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH PostQueuedCompletionStatus( HANDLE port, DWORD count,
                                                            ULONG_PTR key, LPOVERLAPPED overlapped )
  {
      TRACE( "%p %d %08lx %p\n", port, count, key, overlapped );
  
      return set_ntstatus( NtSetIoCompletion( port, key, (ULONG_PTR)overlapped, STATUS_SUCCESS, count ));
  }
  
  
  /***********************************************************************
   * Named pipes
   ***********************************************************************/
  
  
  /***********************************************************************
   *           CallNamedPipeW   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH CallNamedPipeW( LPCWSTR name, LPVOID input, DWORD in_size,
                                                LPVOID output, DWORD out_size,
                                                LPDWORD read_size, DWORD timeout )
  {
      HANDLE pipe;
      BOOL ret;
      DWORD mode;
  
      TRACE( "%s %p %d %p %d %p %d\n", debugstr_w(name),
             input, in_size, output, out_size, read_size, timeout );
  
      pipe = CreateFileW( name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
      if (pipe == INVALID_HANDLE_VALUE)
      {
          if (!WaitNamedPipeW( name, timeout )) return FALSE;
          pipe = CreateFileW( name, GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL );
          if (pipe == INVALID_HANDLE_VALUE) return FALSE;
      }
  
      mode = PIPE_READMODE_MESSAGE;
      ret = SetNamedPipeHandleState( pipe, &mode, NULL, NULL );
      if (ret) ret = TransactNamedPipe( pipe, input, in_size, output, out_size, read_size, NULL );
      CloseHandle( pipe );
      return ret;
  }
  
  
  /***********************************************************************
   *           ConnectNamedPipe   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH ConnectNamedPipe( HANDLE pipe, LPOVERLAPPED overlapped )
  {
      NTSTATUS status;
      IO_STATUS_BLOCK status_block;
      LPVOID cvalue = NULL;
  
      TRACE( "(%p,%p)\n", pipe, overlapped );
  
      if (overlapped)
      {
          overlapped->Internal = STATUS_PENDING;
          overlapped->InternalHigh = 0;
          if (((ULONG_PTR)overlapped->hEvent & 1) == 0) cvalue = overlapped;
      }
  
      status = NtFsControlFile( pipe, overlapped ? overlapped->hEvent : NULL, NULL, cvalue,
                                overlapped ? (IO_STATUS_BLOCK *)overlapped : &status_block,
                                FSCTL_PIPE_LISTEN, NULL, 0, NULL, 0 );
      if (status == STATUS_PENDING && !overlapped)
      {
          WaitForSingleObject( pipe, INFINITE );
          status = status_block.u.Status;
      }
      return set_ntstatus( status );
  }
  
  /***********************************************************************
   *           CreateNamedPipeW   (kernelbase.@)
   */
  HANDLE WINAPI DECLSPEC_HOTPATCH CreateNamedPipeW( LPCWSTR name, DWORD open_mode, DWORD pipe_mode,
                                                    DWORD instances, DWORD out_buff, DWORD in_buff,
                                                    DWORD timeout, LPSECURITY_ATTRIBUTES sa )
  {
      HANDLE handle;
      UNICODE_STRING nt_name;
      OBJECT_ATTRIBUTES attr;
      DWORD access, options, sharing;
      BOOLEAN pipe_type, read_mode, non_block;
      NTSTATUS status;
      IO_STATUS_BLOCK iosb;
      LARGE_INTEGER time;
  
      TRACE( "(%s, %#08x, %#08x, %d, %d, %d, %d, %p)\n", debugstr_w(name),
             open_mode, pipe_mode, instances, out_buff, in_buff, timeout, sa );
  
      if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL ))
      {
          SetLastError( ERROR_PATH_NOT_FOUND );
          return INVALID_HANDLE_VALUE;
      }
      if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) )
      {
          SetLastError( ERROR_FILENAME_EXCED_RANGE );
          RtlFreeUnicodeString( &nt_name );
          return INVALID_HANDLE_VALUE;
      }
  
      attr.Length                   = sizeof(attr);
      attr.RootDirectory            = 0;
      attr.ObjectName               = &nt_name;
      attr.Attributes               = OBJ_CASE_INSENSITIVE | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
      attr.SecurityDescriptor       = sa ? sa->lpSecurityDescriptor : NULL;
      attr.SecurityQualityOfService = NULL;
  
      switch (open_mode & 3)
      {
      case PIPE_ACCESS_INBOUND:
          sharing = FILE_SHARE_WRITE;
          access  = GENERIC_READ;
          break;
      case PIPE_ACCESS_OUTBOUND:
          sharing = FILE_SHARE_READ;
          access  = GENERIC_WRITE;
          break;
      case PIPE_ACCESS_DUPLEX:
          sharing = FILE_SHARE_READ | FILE_SHARE_WRITE;
          access  = GENERIC_READ | GENERIC_WRITE;
          break;
      default:
          SetLastError( ERROR_INVALID_PARAMETER );
          return INVALID_HANDLE_VALUE;
      }
      access |= SYNCHRONIZE;
      options = 0;
      if (open_mode & WRITE_DAC) access |= WRITE_DAC;
      if (open_mode & WRITE_OWNER) access |= WRITE_OWNER;
      if (open_mode & ACCESS_SYSTEM_SECURITY) access |= ACCESS_SYSTEM_SECURITY;
      if (open_mode & FILE_FLAG_WRITE_THROUGH) options |= FILE_WRITE_THROUGH;
      if (!(open_mode & FILE_FLAG_OVERLAPPED)) options |= FILE_SYNCHRONOUS_IO_NONALERT;
      pipe_type = (pipe_mode & PIPE_TYPE_MESSAGE) != 0;
      read_mode = (pipe_mode & PIPE_READMODE_MESSAGE) != 0;
      non_block = (pipe_mode & PIPE_NOWAIT) != 0;
      if (instances >= PIPE_UNLIMITED_INSTANCES) instances = ~0U;
  
      time.QuadPart = (ULONGLONG)timeout * -10000;
      SetLastError( 0 );
      status = NtCreateNamedPipeFile( &handle, access, &attr, &iosb, sharing,
                                      FILE_OVERWRITE_IF, options, pipe_type,
                                      read_mode, non_block, instances, in_buff, out_buff, &time );
      RtlFreeUnicodeString( &nt_name );
      if (!set_ntstatus( status )) return INVALID_HANDLE_VALUE;
      return handle;
  }
  
  
  /******************************************************************
   *           CreatePipe   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH CreatePipe( HANDLE *read_pipe, HANDLE *write_pipe,
                                            SECURITY_ATTRIBUTES *sa, DWORD size )
  {
      static unsigned int index;
      WCHAR name[64];
      UNICODE_STRING nt_name;
      OBJECT_ATTRIBUTES attr;
      IO_STATUS_BLOCK iosb;
      LARGE_INTEGER timeout;
  
      *read_pipe = *write_pipe = INVALID_HANDLE_VALUE;
  
      attr.Length             = sizeof(attr);
      attr.RootDirectory      = 0;
      attr.ObjectName         = &nt_name;
      attr.Attributes         = OBJ_CASE_INSENSITIVE | ((sa && sa->bInheritHandle) ? OBJ_INHERIT : 0);
      attr.SecurityDescriptor = sa ? sa->lpSecurityDescriptor : NULL;
      attr.SecurityQualityOfService = NULL;
  
      if (!size) size = 4096;
  
      timeout.QuadPart = (ULONGLONG)NMPWAIT_USE_DEFAULT_WAIT * -10000;
  
      /* generate a unique pipe name (system wide) */
      for (;;)
      {
          static const WCHAR fmtW[] = { '\\','?','?','\\','p','i','p','e','\\',
             'W','i','n','3','2','.','P','i','p','e','s','.','%','0','8','l','u','.','%','0','8','u','\0' };
  
          swprintf( name, ARRAY_SIZE(name), fmtW, GetCurrentProcessId(), ++index );
          RtlInitUnicodeString( &nt_name, name );
          if (!NtCreateNamedPipeFile( read_pipe, GENERIC_READ | FILE_WRITE_ATTRIBUTES | SYNCHRONIZE,
                                      &attr, &iosb, FILE_SHARE_WRITE, FILE_OVERWRITE_IF,
                                      FILE_SYNCHRONOUS_IO_NONALERT,
                                      FALSE, FALSE, FALSE, 1, size, size, &timeout ))
              break;
      }
      if (!set_ntstatus( NtOpenFile( write_pipe, GENERIC_WRITE | FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr,
                                     &iosb, 0, FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE )))
      {
          NtClose( *read_pipe );
          return FALSE;
      }
      return TRUE;
  }
  
  
  /***********************************************************************
   *           DisconnectNamedPipe   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH DisconnectNamedPipe( HANDLE pipe )
  {
      IO_STATUS_BLOCK io_block;
  
      TRACE( "(%p)\n", pipe );
      return set_ntstatus( NtFsControlFile( pipe, 0, NULL, NULL, &io_block,
                                            FSCTL_PIPE_DISCONNECT, NULL, 0, NULL, 0 ));
  }
  
  
  /***********************************************************************
   *           GetNamedPipeInfo   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH GetNamedPipeInfo( HANDLE pipe, LPDWORD flags, LPDWORD out_size,
                                                  LPDWORD in_size, LPDWORD instances )
  {
      FILE_PIPE_LOCAL_INFORMATION info;
      IO_STATUS_BLOCK iosb;
  
      if (!set_ntstatus( NtQueryInformationFile( pipe, &iosb, &info, sizeof(info), FilePipeLocalInformation )))
          return FALSE;
  
      if (flags)
      {
          *flags = (info.NamedPipeEnd & FILE_PIPE_SERVER_END) ? PIPE_SERVER_END : PIPE_CLIENT_END;
          *flags |= (info.NamedPipeType & FILE_PIPE_TYPE_MESSAGE) ? PIPE_TYPE_MESSAGE : PIPE_TYPE_BYTE;
      }
      if (out_size) *out_size = info.OutboundQuota;
      if (in_size) *in_size = info.InboundQuota;
      if (instances) *instances = info.MaximumInstances;
      return TRUE;
  }
  
  
  /***********************************************************************
   *           PeekNamedPipe   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH PeekNamedPipe( HANDLE pipe, LPVOID out_buffer, DWORD size,
                                               LPDWORD read_size, LPDWORD avail, LPDWORD message )
  {
      FILE_PIPE_PEEK_BUFFER local_buffer;
      FILE_PIPE_PEEK_BUFFER *buffer = &local_buffer;
      IO_STATUS_BLOCK io;
      NTSTATUS status;
  
      if (size && !(buffer = HeapAlloc( GetProcessHeap(), 0,
                                        FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[size] ))))
      {
          SetLastError( ERROR_NOT_ENOUGH_MEMORY );
          return FALSE;
      }
  
      status = NtFsControlFile( pipe, 0, NULL, NULL, &io, FSCTL_PIPE_PEEK, NULL, 0,
                                buffer, FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data[size] ) );
      if (status == STATUS_BUFFER_OVERFLOW) status = STATUS_SUCCESS;
      if (!status)
      {
          ULONG count = io.Information - FIELD_OFFSET( FILE_PIPE_PEEK_BUFFER, Data );
          if (avail) *avail = buffer->ReadDataAvailable;
          if (read_size) *read_size = count;
          if (message) *message = buffer->MessageLength - count;
          if (out_buffer) memcpy( out_buffer, buffer->Data, count );
      }
      else SetLastError( RtlNtStatusToDosError(status) );
  
      if (buffer != &local_buffer) HeapFree( GetProcessHeap(), 0, buffer );
      return !status;
  }
  
  
  /***********************************************************************
   *           SetNamedPipeHandleState  (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH SetNamedPipeHandleState( HANDLE pipe, LPDWORD mode,
                                                         LPDWORD count, LPDWORD timeout )
  {
      FILE_PIPE_INFORMATION info;
      IO_STATUS_BLOCK iosb;
      NTSTATUS status = STATUS_SUCCESS;
  
      TRACE( "%p %p/%d %p %p\n", pipe, mode, mode ? *mode : 0, count, timeout );
      if (count || timeout) FIXME( "Unsupported arguments\n" );
  
      if (mode)
      {
          if (*mode & ~(PIPE_READMODE_MESSAGE | PIPE_NOWAIT)) status = STATUS_INVALID_PARAMETER;
          else
          {
              info.CompletionMode = (*mode & PIPE_NOWAIT) ?
                  FILE_PIPE_COMPLETE_OPERATION : FILE_PIPE_QUEUE_OPERATION;
              info.ReadMode = (*mode & PIPE_READMODE_MESSAGE) ?
                  FILE_PIPE_MESSAGE_MODE : FILE_PIPE_BYTE_STREAM_MODE;
              status = NtSetInformationFile( pipe, &iosb, &info, sizeof(info), FilePipeInformation );
          }
      }
      return set_ntstatus( status );
  }
  
  /***********************************************************************
   *           TransactNamedPipe   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH TransactNamedPipe( HANDLE handle, LPVOID write_buf, DWORD write_size,
                                                   LPVOID read_buf, DWORD read_size, LPDWORD bytes_read,
                                                   LPOVERLAPPED overlapped)
  {
      IO_STATUS_BLOCK default_iosb, *iosb = &default_iosb;
      HANDLE event = NULL;
      void *cvalue = NULL;
      NTSTATUS status;
  
      TRACE( "%p %p %u %p %u %p %p\n", handle,
             write_buf, write_size, read_buf, read_size, bytes_read, overlapped );
  
      if (overlapped)
      {
          event = overlapped->hEvent;
          iosb = (IO_STATUS_BLOCK *)overlapped;
          if (((ULONG_PTR)event & 1) == 0) cvalue = overlapped;
      }
      else
      {
          iosb->Information = 0;
      }
  
      status = NtFsControlFile( handle, event, NULL, cvalue, iosb, FSCTL_PIPE_TRANSCEIVE,
                                write_buf, write_size, read_buf, read_size );
      if (status == STATUS_PENDING && !overlapped)
      {
          WaitForSingleObject(handle, INFINITE);
          status = iosb->u.Status;
      }
  
      if (bytes_read) *bytes_read = overlapped && status ? 0 : iosb->Information;
      return set_ntstatus( status );
  }
  
  
  /***********************************************************************
   *           WaitNamedPipeW   (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH WaitNamedPipeW( LPCWSTR name, DWORD timeout )
  {
      static const WCHAR leadin[] = {'\\','?','?','\\','P','I','P','E','\\'};
      NTSTATUS status;
      UNICODE_STRING nt_name, pipe_dev_name;
      FILE_PIPE_WAIT_FOR_BUFFER *pipe_wait;
      IO_STATUS_BLOCK iosb;
      OBJECT_ATTRIBUTES attr;
      ULONG wait_size;
      HANDLE pipe_dev;
  
      TRACE( "%s 0x%08x\n", debugstr_w(name), timeout );
  
      if (!RtlDosPathNameToNtPathName_U( name, &nt_name, NULL, NULL )) return FALSE;
  
      if (nt_name.Length >= MAX_PATH * sizeof(WCHAR) ||
          nt_name.Length < sizeof(leadin) ||
          wcsnicmp( nt_name.Buffer, leadin, ARRAY_SIZE( leadin )) != 0)
      {
          RtlFreeUnicodeString( &nt_name );
          SetLastError( ERROR_PATH_NOT_FOUND );
          return FALSE;
      }
  
      wait_size = sizeof(*pipe_wait) + nt_name.Length - sizeof(leadin) - sizeof(WCHAR);
      if (!(pipe_wait = HeapAlloc( GetProcessHeap(), 0,  wait_size)))
      {
          RtlFreeUnicodeString( &nt_name );
          SetLastError( ERROR_OUTOFMEMORY );
          return FALSE;
      }
  
      pipe_dev_name.Buffer = nt_name.Buffer;
      pipe_dev_name.Length = sizeof(leadin);
      pipe_dev_name.MaximumLength = sizeof(leadin);
      InitializeObjectAttributes( &attr,&pipe_dev_name, OBJ_CASE_INSENSITIVE, NULL, NULL );
      status = NtOpenFile( &pipe_dev, FILE_READ_ATTRIBUTES | SYNCHRONIZE, &attr,
                           &iosb, FILE_SHARE_READ | FILE_SHARE_WRITE,
                           FILE_SYNCHRONOUS_IO_NONALERT);
      if (status != STATUS_SUCCESS)
      {
          HeapFree( GetProcessHeap(), 0, pipe_wait );
          RtlFreeUnicodeString( &nt_name );
          SetLastError( ERROR_PATH_NOT_FOUND );
          return FALSE;
      }
  
      pipe_wait->TimeoutSpecified = !(timeout == NMPWAIT_USE_DEFAULT_WAIT);
      if (timeout == NMPWAIT_WAIT_FOREVER)
          pipe_wait->Timeout.QuadPart = ((ULONGLONG)0x7fffffff << 32) | 0xffffffff;
      else
          pipe_wait->Timeout.QuadPart = (ULONGLONG)timeout * -10000;
      pipe_wait->NameLength = nt_name.Length - sizeof(leadin);
      memcpy( pipe_wait->Name, nt_name.Buffer + ARRAY_SIZE( leadin ), pipe_wait->NameLength );
      RtlFreeUnicodeString( &nt_name );
  
      status = NtFsControlFile( pipe_dev, NULL, NULL, NULL, &iosb, FSCTL_PIPE_WAIT,
                                pipe_wait, wait_size, NULL, 0 );
  
      HeapFree( GetProcessHeap(), 0, pipe_wait );
      NtClose( pipe_dev );
      return set_ntstatus( status );
  }
  
  
  
  /***********************************************************************
   * Interlocked functions
   ***********************************************************************/
  
  
  /***********************************************************************
   *           InitOnceBeginInitialize    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH InitOnceBeginInitialize( INIT_ONCE *once, DWORD flags,
                                                         BOOL *pending, void **context )
  {
      NTSTATUS status = RtlRunOnceBeginInitialize( once, flags, context );
      if (status >= 0) *pending = (status == STATUS_PENDING);
      else SetLastError( RtlNtStatusToDosError(status) );
      return status >= 0;
  }
  
  
  /***********************************************************************
   *           InitOnceComplete    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH InitOnceComplete( INIT_ONCE *once, DWORD flags, void *context )
  {
      return set_ntstatus( RtlRunOnceComplete( once, flags, context ));
  }
  
  
  /***********************************************************************
   *           InitOnceExecuteOnce    (kernelbase.@)
   */
  BOOL WINAPI DECLSPEC_HOTPATCH InitOnceExecuteOnce( INIT_ONCE *once, PINIT_ONCE_FN func,
                                                     void *param, void **context )
  {
      return !RtlRunOnceExecuteOnce( once, (PRTL_RUN_ONCE_INIT_FN)func, param, context );
  }
  
  #ifdef __i386__
  
  /***********************************************************************
   *	     InterlockedCompareExchange   (kernelbase.@)
   */
  __ASM_STDCALL_FUNC(InterlockedCompareExchange, 12,
                    "movl 12(%esp),%eax\n\t"
                    "movl 8(%esp),%ecx\n\t"
                    "movl 4(%esp),%edx\n\t"
                    "lock; cmpxchgl %ecx,(%edx)\n\t"
                    "ret $12")
  
  /***********************************************************************
   *	     InterlockedExchange   (kernelbase.@)
   */
  __ASM_STDCALL_FUNC(InterlockedExchange, 8,
                    "movl 8(%esp),%eax\n\t"
                    "movl 4(%esp),%edx\n\t"
                    "lock; xchgl %eax,(%edx)\n\t"
                    "ret $8")
  
  /***********************************************************************
   *	     InterlockedExchangeAdd   (kernelbase.@)
   */
  __ASM_STDCALL_FUNC(InterlockedExchangeAdd, 8,
                    "movl 8(%esp),%eax\n\t"
                    "movl 4(%esp),%edx\n\t"
                    "lock; xaddl %eax,(%edx)\n\t"
                    "ret $8")
  
  /***********************************************************************
   *	     InterlockedIncrement   (kernelbase.@)
   */
  __ASM_STDCALL_FUNC(InterlockedIncrement, 4,
                    "movl 4(%esp),%edx\n\t"
                    "movl $1,%eax\n\t"
                    "lock; xaddl %eax,(%edx)\n\t"
                    "incl %eax\n\t"
                    "ret $4")
  
  /***********************************************************************
   *	     InterlockedDecrement   (kernelbase.@)
   */
  __ASM_STDCALL_FUNC(InterlockedDecrement, 4,
                    "movl 4(%esp),%edx\n\t"
                    "movl $-1,%eax\n\t"
                    "lock; xaddl %eax,(%edx)\n\t"
                    "decl %eax\n\t"
                    "ret $4")
  
  #endif  /* __i386__ */
  