- Io* wait() override;
- Io* wait_for(double timeout) override;
- Io* cancel() override;
- bool test() override;
-
- double get_remaining() override;
- sg_size_t get_performed_ioops();
+ /*! take a vector of s4u::IoPtr and return when one of them is finished.
+ * The return value is the rank of the first finished IoPtr. */
+ static ssize_t wait_any(const std::vector<IoPtr>& ios) { return wait_any_for(ios, -1); }
+ /*! Same as wait_any, but with a timeout. If the timeout occurs, parameter last is returned.*/
+ static ssize_t wait_any_for(const std::vector<IoPtr>& ios, double timeout);
+
+ double get_remaining() const override;
+ sg_size_t get_performed_ioops() const;
+ IoPtr set_disk(const_sg_disk_t disk);
+ IoPtr set_size(sg_size_t size);
+ IoPtr set_op_type(OpType type);
+
+ bool is_assigned() const override;