You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
145 lines
3.2 KiB
145 lines
3.2 KiB
#define _XOPEN_SOURCE 700
|
|
#include <stdlib.h>
|
|
#include <stdbool.h>
|
|
#include <string.h>
|
|
#include <strings.h>
|
|
#include <poll.h>
|
|
#include <time.h>
|
|
#include "swaybar/event_loop.h"
|
|
#include "list.h"
|
|
|
|
struct event_item {
|
|
void (*cb)(int fd, short mask, void *data);
|
|
void *data;
|
|
};
|
|
|
|
struct timer_item {
|
|
timer_t timer;
|
|
void (*cb)(timer_t timer, void *data);
|
|
void *data;
|
|
};
|
|
|
|
static struct {
|
|
// The order of each must be kept consistent
|
|
struct { /* pollfd array */
|
|
struct pollfd *items;
|
|
int capacity;
|
|
int length;
|
|
} fds;
|
|
list_t *items; /* event_item list */
|
|
|
|
// Timer list
|
|
list_t *timers;
|
|
} event_loop;
|
|
|
|
void add_timer(timer_t timer,
|
|
void(*cb)(timer_t timer, void *data),
|
|
void *data) {
|
|
|
|
struct timer_item *item = malloc(sizeof(struct timer_item));
|
|
item->timer = timer;
|
|
item->cb = cb;
|
|
item->data = data;
|
|
|
|
list_add(event_loop.timers, item);
|
|
}
|
|
|
|
void add_event(int fd, short mask,
|
|
void(*cb)(int fd, short mask, void *data), void *data) {
|
|
|
|
struct pollfd pollfd = {
|
|
fd,
|
|
mask,
|
|
0,
|
|
};
|
|
|
|
// Resize
|
|
if (event_loop.fds.length == event_loop.fds.capacity) {
|
|
event_loop.fds.capacity += 10;
|
|
event_loop.fds.items = realloc(event_loop.fds.items,
|
|
sizeof(struct pollfd) * event_loop.fds.capacity);
|
|
}
|
|
|
|
event_loop.fds.items[event_loop.fds.length++] = pollfd;
|
|
|
|
struct event_item *item = malloc(sizeof(struct event_item));
|
|
item->cb = cb;
|
|
item->data = data;
|
|
|
|
list_add(event_loop.items, item);
|
|
|
|
return;
|
|
}
|
|
|
|
bool remove_event(int fd) {
|
|
int index = -1;
|
|
for (int i = 0; i < event_loop.fds.length; ++i) {
|
|
if (event_loop.fds.items[i].fd == fd) {
|
|
index = i;
|
|
}
|
|
}
|
|
if (index != -1) {
|
|
free(event_loop.items->items[index]);
|
|
|
|
--event_loop.fds.length;
|
|
memmove(&event_loop.fds.items[index], &event_loop.fds.items[index + 1],
|
|
sizeof(struct pollfd) * event_loop.fds.length - index);
|
|
|
|
list_del(event_loop.items, index);
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static int timer_item_timer_cmp(const void *_timer_item, const void *_timer) {
|
|
const struct timer_item *timer_item = _timer_item;
|
|
const timer_t *timer = _timer;
|
|
if (timer_item->timer == *timer) {
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
bool remove_timer(timer_t timer) {
|
|
int index = list_seq_find(event_loop.timers, timer_item_timer_cmp, &timer);
|
|
if (index != -1) {
|
|
free(event_loop.timers->items[index]);
|
|
list_del(event_loop.timers, index);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void event_loop_poll() {
|
|
poll(event_loop.fds.items, event_loop.fds.length, -1);
|
|
|
|
for (int i = 0; i < event_loop.fds.length; ++i) {
|
|
struct pollfd pfd = event_loop.fds.items[i];
|
|
struct event_item *item = (struct event_item *)event_loop.items->items[i];
|
|
|
|
if (pfd.revents & pfd.events) {
|
|
item->cb(pfd.fd, pfd.revents, item->data);
|
|
}
|
|
}
|
|
|
|
// check timers
|
|
// not tested, but seems to work
|
|
for (int i = 0; i < event_loop.timers->length; ++i) {
|
|
struct timer_item *item = event_loop.timers->items[i];
|
|
int overrun = timer_getoverrun(item->timer);
|
|
if (overrun && overrun != -1) {
|
|
item->cb(item->timer, item->data);
|
|
}
|
|
}
|
|
}
|
|
|
|
void init_event_loop() {
|
|
event_loop.fds.length = 0;
|
|
event_loop.fds.capacity = 10;
|
|
event_loop.fds.items = malloc(
|
|
event_loop.fds.capacity * sizeof(struct pollfd));
|
|
event_loop.items = create_list();
|
|
event_loop.timers = create_list();
|
|
}
|