1 /* 2 * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * You should have received a copy of the GNU General Public License along 13 * with this program; if not, write the Free Software Foundation, Inc., 14 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 15 * 16 */ 17 /************************************************************************** 18 * 19 * TEST IDENTIFIER : sysfs01 20 * 21 * EXECUTED BY : anyone 22 * 23 * TEST TITLE : Basic test for sysfs(2) 24 * 25 * TEST CASE TOTAL : 1 26 * 27 * AUTHOR : Aniruddha Marathe <aniruddha.marathe@wipro.com> 28 * 29 * SIGNALS 30 * Uses SIGUSR1 to pause before test if option set. 31 * (See the parse_opts(3) man page). 32 * 33 * DESCRIPTION 34 * This is a Phase I test for the sysfs(2) system call. 35 * This test is carried out for option 1 for sysfs(2). 36 * It is intended to provide a limited exposure of the system call. 37 * 38 * 39 * Setup: 40 * Setup signal handling. 41 * Pause for SIGUSR1 if option specified. 42 * 43 * Test: 44 * Loop if the proper options are given. 45 * Execute system call 46 * Check return code, if system call failed (return=-1) 47 * Log the errno and Issue a FAIL message. 48 * Otherwise, Issue a PASS message. 49 * 50 * Cleanup: 51 * Print errno log and/or timing stats if options given 52 * 53 * USAGE: <for command-line> 54 * sysfs01 [-c n] [-e] [-i n] [-I x] [-p x] [-t] [-h] [-f] [-p] 55 * where: 56 * -c n : run n copies simultaneously. 57 * -e : Turn on errno logging. 58 * -i n : Execute test n times. 59 * -I x : Execute test for x seconds. 60 * -p : Pause for SIGUSR1 before starting 61 * -P x : Pause for x seconds between iterations. 62 * -t : Turn on syscall timing. 63 * 64 *RESTRICTIONS: 65 *There is no glibc or libc support 66 *Kernel should be compiled with proc filesystem support 67 ******************************************************************************/ 68 69 #include <errno.h> 70 #include <unistd.h> 71 #include <sys/syscall.h> 72 #include "test.h" 73 #include "lapi/syscalls.h" 74 75 static void setup(); 76 static void cleanup(); 77 78 char *TCID = "sysfs01"; 79 int TST_TOTAL = 1; 80 81 int main(int ac, char **av) 82 { 83 int lc; 84 85 tst_parse_opts(ac, av, NULL, NULL); 86 87 setup(); 88 89 for (lc = 0; TEST_LOOPING(lc); lc++) { 90 91 tst_count = 0; 92 93 /* option 1, buf holds fs name */ 94 TEST(ltp_syscall(__NR_sysfs, 1, "proc")); 95 96 /* check return code */ 97 if (TEST_RETURN == -1) { 98 tst_resm(TFAIL, "sysfs(2) Failed for " 99 "option 1 and set errno to %d", TEST_ERRNO); 100 } else { 101 tst_resm(TPASS, "sysfs(2) Passed for " "option 1"); 102 } 103 } /*End of TEST_LOOPING */ 104 105 /*Clean up and exit */ 106 cleanup(); 107 tst_exit(); 108 109 } 110 111 /* setup() - performs all ONE TIME setup for this test */ 112 void setup(void) 113 { 114 115 tst_sig(NOFORK, DEF_HANDLER, cleanup); 116 117 TEST_PAUSE; 118 119 } 120 121 /* 122 * cleanup() - Performs one time cleanup for this test at 123 * completion or premature exit 124 */ 125 126 void cleanup(void) 127 { 128 129 } 130