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4056c09e13
* The loop functions are now prefixed with `loop_`. * It is now easy to add timers to the loop. * Timers are implemented using pollfd and timerfd, rather than manually checking them when any other event happens to arrive.
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#ifndef _SWAY_LOOP_H
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#define _SWAY_LOOP_H
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#include <stdbool.h>
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/**
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* This is an event loop system designed for sway clients, not sway itself.
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*
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* It uses pollfds to block on multiple file descriptors at once, and provides
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* an easy way to set timers. Typically the Wayland display's fd will be one of
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* the fds in the loop.
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*/
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struct loop;
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/**
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* Create an event loop.
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*/
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struct loop *loop_create(void);
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/**
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* Destroy the event loop (eg. on program termination).
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*/
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void loop_destroy(struct loop *loop);
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/**
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* Poll the event loop. This will block until one of the fds has data.
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*/
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void loop_poll(struct loop *loop);
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/**
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* Add an fd to the loop.
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*/
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struct loop_event *loop_add_fd(struct loop *loop, int fd, short mask,
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void (*func)(int fd, short mask, void *data), void *data);
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/**
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* Add a timer to the loop.
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*/
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struct loop_event *loop_add_timer(struct loop *loop, int ms,
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void (*callback)(int fd, short mask, void *data), void *data);
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/**
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* Remove an event from the loop.
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*/
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bool loop_remove_event(struct loop *loop, struct loop_event *event);
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#endif
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