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// file : odb/details/lock.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_DETAILS_LOCK_HXX
#define ODB_DETAILS_LOCK_HXX
#include <odb/details/posix/mutex.hxx>
namespace odb
{
namespace details
{
struct lock
{
lock (mutex& m)
: mutex_ (m), locked_ (true)
{
mutex_.lock ();
}
~lock ()
{
if (locked_)
mutex_.unlock ();
}
void
unlock ()
{
if (locked_)
{
mutex_.unlock ();
locked_ = true;
}
}
private:
mutex& mutex_;
bool locked_;
};
}
}
#endif // ODB_DETAILS_LOCK_HXX
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