Commit e44a9232 authored by unknown's avatar unknown
Browse files

Fix initialized memory. Count the number of failures in shm-closing 

functions and return it.


vio/viosocket.c:
  Initialize the return code and set it according to errors in the closing 
  functions.
parent 12eb42ac

vio/viosocket.c

+27 −2
Original line number Diff line number Diff line
@@ -545,9 +545,13 @@ int vio_write_shared_memory(Vio * vio, const gptr buf, int size) 
}





/**

 Close shared memory and DBUG_PRINT any errors that happen on closing.

 @return Zero if all closing functions succeed, and nonzero otherwise.

*/

int vio_close_shared_memory(Vio * vio)

{

  int r;

  int error_count= 0;

  DBUG_ENTER("vio_close_shared_memory");

  if (vio->type != VIO_CLOSED)

  {
@@ -561,23 +565,44 @@ int vio_close_shared_memory(Vio * vio) 
      result if they are success.

    */

    if (UnmapViewOfFile(vio->handle_map) == 0) 

    {

      error_count++;

      DBUG_PRINT("vio_error", ("UnmapViewOfFile() failed"));

    }

    if (CloseHandle(vio->event_server_wrote) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->esw) failed"));

    }

    if (CloseHandle(vio->event_server_read) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->esr) failed"));

    }

    if (CloseHandle(vio->event_client_wrote) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->ecw) failed"));

    }

    if (CloseHandle(vio->event_client_read) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->ecr) failed"));

    }

    if (CloseHandle(vio->handle_file_map) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->hfm) failed"));

    }

    if (CloseHandle(vio->event_conn_closed) == 0)

    {

      error_count++;

      DBUG_PRINT("vio_error", ("CloseHandle(vio->ecc) failed"));

    }

  }

  vio->type= VIO_CLOSED;

  vio->sd=   -1;

  DBUG_RETURN(!r);

  DBUG_RETURN(error_count);

}

#endif /* HAVE_SMEM */

#endif /* __WIN__ */