/* * Copyright (c) 2015 Cedric Hnyda <chnyda@suse.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it would be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ /* * Create a virtual device (mouse), send empty events to /dev/uinput * and check that the events are not received in /dev/inputX */ #include <linux/input.h> #include "test.h" #include "safe_macros.h" #include "lapi/fcntl.h" #include "input_helper.h" #define NB_TEST 20 static void setup(void); static void send_events(void); static void cleanup(void); static int fd, fd2; char *TCID = "input04"; int main(int ac, char **av) { int lc; int pid; tst_parse_opts(ac, av, NULL, NULL); setup(); for (lc = 0; TEST_LOOPING(lc); ++lc) { pid = tst_fork(); switch (pid) { case 0: send_events(); exit(0); case -1: tst_brkm(TBROK | TERRNO, cleanup, "fork() failed"); default: if (no_events_queued(fd2, 1)) tst_resm(TPASS, "No data received in /dev/inputX"); else tst_resm(TFAIL, "Data received /dev/inputX"); break; } SAFE_WAITPID(NULL, pid, NULL, 0); } cleanup(); tst_exit(); } static void setup(void) { tst_require_root(); fd = open_uinput(); setup_mouse_events(fd); create_device(fd); fd2 = open_device(); } static void send_events(void) { int nb; for (nb = 0; nb < NB_TEST; ++nb) { send_rel_move(fd, 0, 0); usleep(1000); } } static void cleanup(void) { if (fd2 > 0 && close(fd2)) tst_resm(TWARN | TERRNO, "close(fd2)"); destroy_device(fd); }