/usr/include/odb/mysql/simple-object-statements.ixx is in libodb-mysql-dev 2.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | // file      : odb/mysql/simple-object-statements.ixx
// copyright : Copyright (c) 2005-2015 Code Synthesis Tools CC
// license   : GNU GPL v2; see accompanying LICENSE file
namespace odb
{
  namespace mysql
  {
    //
    // auto_unlock
    //
    inline object_statements_base::auto_unlock::
    auto_unlock (object_statements_base& s)
        : s_ (s)
    {
      s_.unlock ();
    }
    inline object_statements_base::auto_unlock::
    ~auto_unlock ()
    {
      s_.lock ();
    }
    //
    // auto_lock
    //
    template <typename T>
    inline object_statements<T>::auto_lock::
    auto_lock (object_statements& s)
        : s_ (s)
    {
      if (!s_.locked ())
      {
        s_.lock ();
        locked_ = true;
      }
      else
        locked_ = false;
    }
    template <typename T>
    inline object_statements<T>::auto_lock::
    ~auto_lock ()
    {
      if (locked_)
      {
        s_.unlock ();
        s_.clear_delayed ();
      }
    }
    template <typename T>
    inline bool object_statements<T>::auto_lock::
    locked () const
    {
      return locked_;
    }
    template <typename T>
    inline void object_statements<T>::auto_lock::
    unlock ()
    {
      assert (locked_);
      s_.unlock ();
      locked_ = false;
    }
  }
}
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