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// file : odb/details/thread.hxx
// copyright : Copyright (c) 2009-2018 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_DETAILS_THREAD_HXX
#define ODB_DETAILS_THREAD_HXX
#include <odb/pre.hxx>
#include <odb/details/config.hxx>
#include <odb/details/export.hxx>
#ifdef ODB_THREADS_NONE
# error no thread support available
#elif defined(ODB_THREADS_CXX11)
# include <thread>
# include <future>
# include <utility> // move()
namespace odb
{
namespace details
{
class LIBODB_EXPORT thread
{
public:
thread (void* (*thread_func) (void*), void* arg = 0)
{
std::promise<void*> p;
f_ = p.get_future ();
t_ = std::thread (thunk, thread_func, arg, std::move (p));
}
void*
join ()
{
f_.wait ();
t_.join ();
return f_.get ();
}
thread (const thread&) = delete;
thread& operator= (const thread&) = delete;
private:
static void
thunk (void* (*) (void*), void*, std::promise<void*>);
private:
std::thread t_;
std::future<void*> f_;
};
}
}
#elif defined(ODB_THREADS_POSIX)
#include <odb/details/posix/thread.hxx>
#elif defined(ODB_THREADS_WIN32)
#include <odb/details/win32/thread.hxx>
#else
# error unknown threading model
#endif
#include <odb/post.hxx>
#endif // ODB_DETAILS_THREAD_HXX
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