icinga2/lib/base/loader.hpp

56 lines
963 B
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#ifndef LOADER_H
#define LOADER_H
#include "base/i2-base.hpp"
#include "base/string.hpp"
#include <boost/thread/tss.hpp>
#include <queue>
namespace icinga
{
struct DeferredInitializer
{
public:
DeferredInitializer(std::function<void ()> callback, int priority)
: m_Callback(std::move(callback)), m_Priority(priority)
{ }
bool operator<(const DeferredInitializer& other) const
{
return m_Priority < other.m_Priority;
}
void operator()()
{
m_Callback();
}
private:
std::function<void ()> m_Callback;
int m_Priority;
};
/**
* Loader helper functions.
*
* @ingroup base
*/
class Loader
{
public:
static void AddDeferredInitializer(const std::function<void ()>& callback, int priority = 0);
static void ExecuteDeferredInitializers();
private:
Loader();
static boost::thread_specific_ptr<std::priority_queue<DeferredInitializer> >& GetDeferredInitializers();
};
}
#endif /* LOADER_H */