Mercurial > dovecot > core-2.2
view src/lib/ioloop.h @ 0:3b1985cbc908 HEAD
Initial revision
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Fri, 09 Aug 2002 12:15:38 +0300 |
parents | |
children | 82b7de533f98 |
line wrap: on
line source
#ifndef __IOLOOP_H #define __IOLOOP_H #include <time.h> #define IO_READ (1 << 0) #define IO_WRITE (1 << 1) #define IO_PRIORITY_LOW 100 #define IO_PRIORITY_DEFAULT 0 #define IO_PRIORITY_HIGH -100 typedef void (*IOFunc) (void *user_data, int fd, IO io); typedef void (*TimeoutFunc) (void *user_data, Timeout timeout); /* Time when the I/O loop started calling handlers. Can be used instead of time(NULL). */ extern time_t ioloop_time; extern struct timeval ioloop_timeval; /* I/O listeners - you can create different handlers for IO_READ and IO_WRITE, but make sure you don't create multiple handlers of same type, it's not checked and removing one will stop the other from working as well. */ IO io_add(int fd, int condition, IOFunc func, void *user_data); IO io_add_priority(int fd, int priority, int condition, IOFunc func, void *user_data); void io_remove(IO io); /* Timeout handlers */ Timeout timeout_add(int msecs, TimeoutFunc func, void *user_data); void timeout_remove(Timeout timeout); void io_loop_run(IOLoop ioloop); void io_loop_stop(IOLoop ioloop); /* safe to run in signal handler */ /* call these if you wish to run the iteration only once */ void io_loop_set_running(IOLoop ioloop); void io_loop_handler_run(IOLoop ioloop); IOLoop io_loop_create(void); void io_loop_destroy(IOLoop ioloop); #endif