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#ifndef VPYTHON_UTIL_THREAD_HPP
#define VPYTHON_UTIL_THREAD_HPP
// Copyright (c) 2000, 2001, 2002, 2003 by David Scherer and others.
// Copyright (c) 2004 by Jonathan Brandmeyer and others.
// See the file license.txt for complete license terms.
// See the file authors.txt for a complete list of contributors.
#include <boost/thread/mutex.hpp>
#include <boost/thread/condition.hpp>
#include <cassert>
#include "python/gil.hpp"
namespace cvisual {
#ifdef NDEBUG
using boost::mutex;
typedef mutex::scoped_lock lock;
inline void
assert_locked( const mutex&)
{
// Empty.
}
inline void
assert_unlocked( const mutex&)
{
// Empty.
}
#else
typedef boost::try_mutex mutex;
typedef mutex::scoped_lock lock;
inline void
assert_locked( mutex& m)
{
try {
mutex::scoped_try_lock L(m);
}
catch (boost::lock_error&) {
return;
}
bool mutex_locked = false;
assert( mutex_locked == true);
}
inline void
assert_unlocked( mutex& m)
{
try {
mutex::scoped_try_lock L(m);
}
catch (boost::lock_error&) {
bool mutex_locked = true;
assert( mutex_locked == false);
}
return;
}
#endif
// using boost::condition;
class condition : public boost::condition
{
public:
template <typename Lock>
void py_wait( Lock& L)
{
python::gil_release R;
boost::condition::wait(L);
}
};
} // !namesapce cvisual
#endif // !defined VPYTHON_UTIL_THREAD_HPP
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