Reorganize headers again

include/ucore/iomux_impl.h

@@ -0,0 +1,47 @@
+#ifndef IO_MUX_IMPL_H_
+#define IO_MUX_IMPL_H_
+
+#include "iomux.h"
+#include "ucore_timers.h"
+/** struct for IOMux implementations */
+struct IOMux {
+
+    /* TImer instance */
+    struct UCTimers timers;
+
+    /* Current time. Updated before calling run_impl, and updated
+     * by iomux_timers_run
+     */
+    struct timeval now;
+
+    /* Used by mux implementations to hold their own data/instance */
+    void *instance;
+
+    /** Run one iteration of the mux.
+     * The mux implementation must honor the timeout, if given.
+     * The mux implementation must call iomux_timers_run after the
+     * polling has occured (or if it's polling times out)
+     * 
+     * @param mux The IOMux instance
+     * @param timeout absolute time of a timeout - after which timers should run.
+     * If timeout is NULL, no timeout should be set on the poll.
+     */
+    int (*run_impl)(struct IOMux *mux, struct timeval *timeout);
+
+    /* Deallocate the instance specific part of the IOMux */
+    void (*delete_impl)(struct IOMux *mux);
+
+    /** Register an IOMuxFD for events*/
+    int (*register_fd_impl)(struct IOMux *mux, struct IOMuxFD *fd);
+    /** Unregister an IOMuxFD */
+    int (*unregister_fd_impl)(struct IOMux *mux, struct IOMuxFD *fd);
+    /** Update an IOMuxFD (due to its events ('what') has changed*/
+    int (*update_events_impl)(struct IOMux *mux, struct IOMuxFD *fd);
+};
+
+int iomux_select_init(struct IOMux *mux);
+int iomux_epoll_init(struct IOMux *mux);
+int iomux_timers_run(struct IOMux *mux);
+
+#endif
+