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- /*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #ifndef io_H_included
- #define io_H_included
- /**
- * @file
- * I/O abstraction interface (header)
- */
- #include "portab.h"
- #include <sys/time.h>
- #define IO_WANTREAD 1
- #define IO_WANTWRITE 2
- /* init library.
- sets up epoll/kqueue descriptors and tries to allocate space for ioevlen
- file descriptors. ioevlen is just the _initial_ size, not a limit. */
- bool io_library_init PARAMS((unsigned int ioevlen));
- /* shutdown and free all internal data structures */
- void io_library_shutdown PARAMS((void));
- /* add fd to internal set, enable readability check, set callback */
- bool io_event_create PARAMS((int fd, short what, void (*cbfunc)(int, short)));
- /* change callback function associated with fd */
- bool io_event_setcb PARAMS((int fd, void (*cbfunc)(int, short)));
- /* watch fd for event of type what */
- bool io_event_add PARAMS((int fd, short what));
- /* do not watch fd for event of type what */
- bool io_event_del PARAMS((int fd, short what));
- /* remove fd from watchlist, close() fd. */
- bool io_close PARAMS((int fd));
- /* set O_NONBLOCK */
- bool io_setnonblock PARAMS((int fd));
- /* set O_CLOEXEC */
- bool io_setcloexec PARAMS((int fd));
- /* watch fds for activity */
- int io_dispatch PARAMS((struct timeval *tv));
- #endif /* io_H_included */
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