apps/tests/apc/apc.c

   1 #include <stdarg.h>
   2 #include <string.h>
   3 #include <stdio.h>
   4 #include <windows.h>
   5 #include <ddk/ntddk.h>
   6
   7 HANDLE OutputHandle;
   8 HANDLE InputHandle;
   9
  10 VOID STDCALL
  11 ApcRoutine(PVOID Context,
  12            PIO_STATUS_BLOCK IoStatus,
  13            ULONG Reserved)
  14 {
  15    printf("(apc.exe) ApcRoutine(Context %p)\n", Context);
  16 }
  17
  18 int main(int argc, char* argv[])
  19 {
  20    NTSTATUS Status;
  21    HANDLE FileHandle;
  22    OBJECT_ATTRIBUTES ObjectAttributes;
  23    UNICODE_STRING FileName = UNICODE_STRING_INITIALIZER(L"\\C:\\a.txt");
  24    IO_STATUS_BLOCK IoStatus;
  25    CHAR Buffer[256];
  26    HANDLE EventHandle;
  27
  28    AllocConsole();
  29    InputHandle = GetStdHandle(STD_INPUT_HANDLE);
  30    OutputHandle =  GetStdHandle(STD_OUTPUT_HANDLE);
  31
  32    printf("APC test program\n");
  33
  34    EventHandle = CreateEventW(NULL,
  35                               FALSE,
  36                               FALSE,
  37                               NULL);
  38    if (EventHandle == INVALID_HANDLE_VALUE)
  39      {
  40         printf("Failed to create event\n");
  41         return 0;
  42      }
  43
  44    printf("Opening file\n");
  45    InitializeObjectAttributes(&ObjectAttributes,
  46                               &FileName,
  47                               0,
  48                               NULL,
  49                               NULL);
  50
  51    printf("Creating file\n");
  52    FileHandle = CreateFileW(L"C:\\a.txt",
  53                             FILE_GENERIC_READ | FILE_GENERIC_WRITE,
  54                             0,
  55                             NULL,
  56                             OPEN_EXISTING,
  57                             FILE_FLAG_OVERLAPPED,
  58                             NULL);
  59    if (FileHandle == INVALID_HANDLE_VALUE)
  60      {
  61         printf("Open failed\n");
  62         return 0;
  63      }
  64    printf("Reading file\n");
  65    Status = ZwReadFile(FileHandle,
  66                         NULL,
  67                         (PIO_APC_ROUTINE)ApcRoutine,
  68                         (PVOID)0xdeadbeef,
  69                         &IoStatus,
  70                         Buffer,
  71                         256,
  72                         NULL,
  73                         NULL);
  74    if (!NT_SUCCESS(Status))
  75      {
  76         printf("Read failed\n");
  77      }
  78    printf("Waiting\n");
  79    WaitForSingleObjectEx(EventHandle, INFINITE, TRUE);
  80    printf("Returned from wait\n");
  81    ZwClose(FileHandle);
  82    printf("Program finished\n");
  83    return 0;
  84 }
  85