Home | History | Annotate | Download | only in adjtimex 
      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   AUTHOR: Saji Kumar.V.R <saji.kumar (at) wipro.com>
     19   EXECUTED BY: root / superuser
     20 
     21   TEST ITEMS:
     22    1. Check to see if adjtimex succeed with mode combination :
     23       ADJ_OFFSET | ADJ_FREQUENCY | ADJ_MAXERROR | ADJ_ESTERROR |
     24       ADJ_STATUS | ADJ_TIMECONST | ADJ_TICK
     25    2. Check to see if adjtimex succeed with mode ADJ_OFFSET_SINGLESHOT
     26 */
     27 
     28 #if defined UCLINUX && !__THROW
     29 /* workaround for libc bug causing failure in sys/timex.h */
     30 #define __THROW
     31 #endif
     32 
     33 #include <errno.h>
     34 #include <sys/timex.h>
     35 #include "test.h"
     36 
     37 #define SET_MODE (ADJ_OFFSET | ADJ_FREQUENCY | ADJ_MAXERROR | ADJ_ESTERROR | \
     38 	ADJ_STATUS | ADJ_TIMECONST | ADJ_TICK)
     39 
     40 static void setup(void);
     41 static void cleanup(void);
     42 
     43 char *TCID = "adjtimex01";
     44 int TST_TOTAL = 2;
     45 
     46 static struct timex tim_save;
     47 
     48 int main(int ac, char **av)
     49 {
     50 	int lc;
     51 
     52 	tst_parse_opts(ac, av, NULL, NULL);
     53 
     54 	setup();
     55 
     56 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     57 
     58 		tst_count = 0;
     59 
     60 		/* Call adjtimex(2) */
     61 		tim_save.modes = SET_MODE;
     62 
     63 		TEST(adjtimex(&tim_save));
     64 
     65 		if ((TEST_RETURN >= 0) && (TEST_RETURN <= 5)) {
     66 			tst_resm(TPASS, "adjtimex() with mode %u returned %ld",
     67 				 SET_MODE, TEST_RETURN);
     68 		} else {
     69 			tst_resm(TFAIL | TTERRNO,
     70 				"Test Failed, adjtimex() with mode %u "
     71 				"returned %ld", SET_MODE, TEST_RETURN);
     72 		}
     73 
     74 		/* Call adjtimex(2) */
     75 		tim_save.modes = ADJ_OFFSET_SINGLESHOT;
     76 
     77 		TEST(adjtimex(&tim_save));
     78 
     79 		if ((TEST_RETURN >= 0) && (TEST_RETURN <= 5)) {
     80 			tst_resm(TPASS, "adjtimex() with mode %u returned %ld",
     81 				 ADJ_OFFSET_SINGLESHOT, TEST_RETURN);
     82 		} else {
     83 			tst_resm(TFAIL | TTERRNO,
     84 				"Test Failed, adjtimex() with mode %u returned "
     85 				"%ld", ADJ_OFFSET_SINGLESHOT, TEST_RETURN);
     86 		}
     87 	}
     88 
     89 	cleanup();
     90 
     91 	tst_exit();
     92 }
     93 
     94 static void setup(void)
     95 {
     96 	tst_require_root();
     97 
     98 	tim_save.modes = 0;
     99 
    100 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
    101 
    102 	TEST_PAUSE;
    103 
    104 	/* Save current parameters in tim_save */
    105 	if ((adjtimex(&tim_save)) == -1)
    106 		tst_brkm(TBROK | TERRNO, cleanup,
    107 			 "failed to save current parameters");
    108 }
    109 
    110 static void cleanup(void)
    111 {
    112 }
    113