reactos/ntoskrnl/io/mailslot.c

   1 /* $Id$
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS kernel
   5  * FILE:            ntoskrnl/io/mailslot.c
   6  * PURPOSE:         No purpose listed.
   7  *
   8  * PROGRAMMERS:     David Welch (welch@mcmail.com)
   9  */
  10
  11 /* INCLUDES *****************************************************************/
  12
  13 #include <ntoskrnl.h>
  14 #define NDEBUG
  15 #include <internal/debug.h>
  16
  17 /* FUNCTIONS *****************************************************************/
  18
  19 NTSTATUS STDCALL
  20 NtCreateMailslotFile(OUT PHANDLE FileHandle,
  21                      IN ACCESS_MASK DesiredAccess,
  22                      IN POBJECT_ATTRIBUTES ObjectAttributes,
  23                      OUT PIO_STATUS_BLOCK IoStatusBlock,
  24                      IN ULONG CreateOptions,
  25                      IN ULONG MailslotQuota,
  26                      IN ULONG MaxMessageSize,
  27                      IN PLARGE_INTEGER TimeOut)
  28 {
  29    MAILSLOT_CREATE_PARAMETERS Buffer;
  30
  31    DPRINT("NtCreateMailslotFile(FileHandle %x, DesiredAccess %x, "
  32           "ObjectAttributes %x ObjectAttributes->ObjectName->Buffer %S)\n",
  33           FileHandle,DesiredAccess,ObjectAttributes,
  34           ObjectAttributes->ObjectName->Buffer);
  35
  36    ASSERT_IRQL(PASSIVE_LEVEL);
  37
  38    if (TimeOut != NULL)
  39      {
  40         Buffer.ReadTimeout.QuadPart = TimeOut->QuadPart;
  41         Buffer.TimeoutSpecified = TRUE;
  42      }
  43    else
  44      {
  45         Buffer.TimeoutSpecified = FALSE;
  46      }
  47    Buffer.MailslotQuota = MailslotQuota;
  48    Buffer.MaximumMessageSize = MaxMessageSize;
  49
  50    return IoCreateFile(FileHandle,
  51                        DesiredAccess,
  52                        ObjectAttributes,
  53                        IoStatusBlock,
  54                        NULL,
  55                        FILE_ATTRIBUTE_NORMAL,
  56                        FILE_SHARE_READ | FILE_SHARE_WRITE,
  57                        FILE_CREATE,
  58                        CreateOptions,
  59                        NULL,
  60                        0,
  61                        CreateFileTypeMailslot,
  62                        (PVOID)&Buffer,
  63                        0);
  64 }
  65
  66 /* EOF */