sway/include/loop.h

48 lines
1.1 KiB
C
Raw Normal View History

#ifndef _SWAY_LOOP_H
#define _SWAY_LOOP_H
#include <stdbool.h>
/**
* This is an event loop system designed for sway clients, not sway itself.
*
* It uses pollfds to block on multiple file descriptors at once, and provides
* an easy way to set timers. Typically the Wayland display's fd will be one of
* the fds in the loop.
*/
struct loop;
/**
* Create an event loop.
*/
struct loop *loop_create(void);
/**
* Destroy the event loop (eg. on program termination).
*/
void loop_destroy(struct loop *loop);
/**
* Poll the event loop. This will block until one of the fds has data.
*/
void loop_poll(struct loop *loop);
/**
* Add an fd to the loop.
*/
struct loop_event *loop_add_fd(struct loop *loop, int fd, short mask,
void (*func)(int fd, short mask, void *data), void *data);
/**
* Add a timer to the loop.
*/
struct loop_event *loop_add_timer(struct loop *loop, int ms,
void (*callback)(int fd, short mask, void *data), void *data);
/**
* Remove an event from the loop.
*/
bool loop_remove_event(struct loop *loop, struct loop_event *event);
#endif