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// file : odb/details/win32/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_WIN32_LOCK_HXX
#define ODB_DETAILS_WIN32_LOCK_HXX
#include <odb/pre.hxx>
#ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# undef WIN32_LEAN_AND_MEAN
#else
# include <windows.h>
#endif
namespace odb
{
namespace details
{
// Critical section lock. Not exported; for internal use only.
//
struct win32_lock
{
win32_lock (CRITICAL_SECTION& cs)
: cs_ (&cs)
{
EnterCriticalSection (cs_);
}
~win32_lock ()
{
if (cs_ != 0)
LeaveCriticalSection (cs_);
}
void
unlock ()
{
if (cs_ != 0)
{
LeaveCriticalSection (cs_);
cs_ = 0;
}
}
private:
CRITICAL_SECTION* cs_;
};
}
}
#include <odb/post.hxx>
#endif // ODB_DETAILS_WIN32_LOCK_HXX
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