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