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Diffstat (limited to '')
-rw-r--r-- | lib/base/loader.hpp | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/lib/base/loader.hpp b/lib/base/loader.hpp new file mode 100644 index 0000000..704a32a --- /dev/null +++ b/lib/base/loader.hpp @@ -0,0 +1,55 @@ +/* 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 */ |