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#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libseat.h"
static void handle_enable(struct libseat *backend, void *data) {
(void)backend;
int *active = (int *)data;
(*active)++;
}
static void handle_disable(struct libseat *backend, void *data) {
(void)backend;
int *active = (int *)data;
(*active)--;
libseat_disable_seat(backend);
}
int main(int argc, char *argv[]) {
(void)argc;
(void)argv;
int active = 0;
struct libseat_seat_listener listener = {
.enable_seat = handle_enable,
.disable_seat = handle_disable,
};
struct libseat *backend = libseat_open_seat(&listener, &active);
fprintf(stderr, "libseat_open_seat(listener: %p, userdata: %p) = %p\n", (void *)&listener,
(void *)&active, (void *)backend);
if (backend == NULL) {
fprintf(stderr, "libseat_open_seat() failed: %s\n", strerror(errno));
return -1;
}
while (active == 0) {
fprintf(stderr, "waiting for activation...\n");
libseat_dispatch(backend, -1);
}
fprintf(stderr, "active!\n");
int fd, device;
device = libseat_open_device(backend, "/dev/dri/card0", &fd);
fprintf(stderr, "libseat_open_device(backend: %p, path: %s, fd: %p) = %d\n",
(void *)backend, "/dev/dri/card0", (void *)&fd, device);
if (device == -1) {
fprintf(stderr, "libseat_open_device() failed: %s\n", strerror(errno));
libseat_close_seat(backend);
return 1;
}
close(fd);
libseat_close_device(backend, device);
libseat_close_seat(backend);
return 0;
}
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