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      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 (at) 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