1 /* 2 * Copyright (c) 2016 Cyril Hrubis <chrubis (at) suse.cz> 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 2 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 /* 18 * This is basic test for pselect() returning without error. 19 */ 20 #include <stdio.h> 21 #include <fcntl.h> 22 #include <sys/select.h> 23 #include <sys/time.h> 24 #include <sys/types.h> 25 #include <time.h> 26 #include <unistd.h> 27 #include <errno.h> 28 29 #include "tst_test.h" 30 31 static int fd; 32 33 static void verify_pselect(void) 34 { 35 fd_set readfds; 36 struct timespec tv = {0}; 37 38 FD_ZERO(&readfds); 39 FD_SET(fd, &readfds); 40 41 TEST(pselect(fd, &readfds, 0, 0, &tv, NULL)); 42 if (TST_RET >= 0) 43 tst_res(TPASS, "pselect() succeeded retval=%li", TST_RET); 44 else 45 tst_res(TFAIL | TTERRNO, "pselect() failed unexpectedly"); 46 } 47 48 static void setup(void) 49 { 50 fd = SAFE_OPEN("pselect03_file", O_CREAT | O_RDWR, 0777); 51 } 52 53 static void cleanup(void) 54 { 55 if (fd > 0) 56 SAFE_CLOSE(fd); 57 } 58 59 static struct tst_test test = { 60 .needs_tmpdir = 1, 61 .setup = setup, 62 .cleanup = cleanup, 63 .test_all = verify_pselect, 64 }; 65
