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// this file is under GNU GPL 3.0, see LICENSE.txt
#include <mutex>
namespace pEp
extern std::mutex call_with_lock_mutex;
// TODO: use && and std::forward<> to avoid copying of the arguments.
// It is not relevant, yet, because at the moment we use this function template only
// for init() and release() which have cheap-to-copy pointer parameters only
template<class R, class... Args>
R call_with_lock( R(*fn)(Args...), Args... args)
std::lock_guard<std::mutex> L(call_with_lock_mutex);
return fn(args...);