bool WaitFd(int Fd,bool write = false,unsigned long timeout = 0);
pid_t ExecFork();
pid_t ExecFork(std::set<int> keep_fds);
+void MergeKeepFdsFromConfiguration(std::set<int> &keep_fds);
bool ExecWait(pid_t Pid,const char *Name,bool Reap = false);
// File string manipulators