Home | History | Annotate | Download | only in rt_sigprocmask
      1 /******************************************************************************/
      2 /* Copyright (c) Crackerjack Project., 2007                                   */
      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                  */
     12 /* the 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, write to the Free Software Foundation,   */
     16 /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA           */
     17 /*                                                                            */
     18 /* History:     Porting from Crackerjack to LTP is done by                    */
     19 /*              Manas Kumar Nayak maknayak (at) in.ibm.com>                        */
     20 /******************************************************************************/
     21 
     22 /******************************************************************************/
     23 /* Description: This tests the rt_sigprocmask() syscall                       */
     24 /*		rt_sigprocmask changes the list of currently blocked signals. */
     25 /*		The set value stores the signal mask of the pending signals.  */
     26 /*		The previous action on the signal is saved in oact. The value */
     27 /*		of how indicates how the call should behave; its values are   */
     28 /*		as follows:						      */
     29 /*									      */
     30 /*		SIG_BLOCK						      */
     31 /*		    The set of blocked signals is the union of the current set*/
     32 /*		    and the set argument. 				      */
     33 /*		SIG_UNBLOCK						      */
     34 /*		    The signals in set are removed from the current set of    */
     35 /*		    blocked signals. It is okay to unblock a signal that is   */
     36 /*		    not blocked. 					      */
     37 /*		SIG_SETMASK						      */
     38 /*		    The set of blocked signals is set to the set argument.    */
     39 /*		    sigsetsize should indicate the size of a sigset_t type.   */
     40 /* 									      */
     41 /* 		RETURN VALUE:i						      */
     42 /* 		rt_sigprocmask returns 0 on success; otherwise, rt_sigprocmask*/
     43 /* 		returns one of the errors listed in the "Errors" section.     */
     44 /* 									      */
     45 /* 		Errors:							      */
     46 /* 			-EINVAL						      */
     47 /* 			    sigsetsize was not equivalent to the size of a    */
     48 /* 			    sigset_t type or the value specified in how was   */
     49 /* 			    invalid. 					      */
     50 /* 			-EFAULT						      */
     51 /* 			    An invalid set, act, or oact was specified.       */
     52 /******************************************************************************/
     53 
     54 #include <stdio.h>
     55 #include <signal.h>
     56 #include <errno.h>
     57 
     58 #include "test.h"
     59 #include "linux_syscall_numbers.h"
     60 #include "ltp_signal.h"
     61 
     62 char *TCID = "rt_sigprocmask02";
     63 int TST_TOTAL = 2;
     64 
     65 static void cleanup(void)
     66 {
     67 	tst_rmdir();
     68 }
     69 
     70 static void setup(void)
     71 {
     72 	TEST_PAUSE;
     73 	tst_tmpdir();
     74 }
     75 
     76 static sigset_t set;
     77 
     78 static struct test_case_t {
     79 	sigset_t *ss;
     80 	int sssize;
     81 	int exp_errno;
     82 } test_cases[] = {
     83 	{
     84 	&set, 1, EINVAL}, {
     85 	(sigset_t *) - 1, SIGSETSIZE, EFAULT}
     86 };
     87 
     88 int test_count = sizeof(test_cases) / sizeof(struct test_case_t);
     89 
     90 int main(int ac, char **av)
     91 {
     92 	int i;
     93 	sigset_t s;
     94 
     95 	tst_parse_opts(ac, av, NULL, NULL);
     96 
     97 	setup();
     98 
     99 	tst_count = 0;
    100 
    101 	TEST(sigfillset(&s));
    102 	if (TEST_RETURN == -1)
    103 		tst_brkm(TFAIL | TTERRNO, cleanup,
    104 			"Call to sigfillset() failed.");
    105 
    106 	for (i = 0; i < test_count; i++) {
    107 		TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_BLOCK,
    108 			     &s, test_cases[i].ss, test_cases[i].sssize));
    109 		if (TEST_RETURN == 0) {
    110 			tst_resm(TFAIL | TTERRNO,
    111 				 "Call to rt_sigprocmask() succeeded, "
    112 				 "but should failed");
    113 		} else if (TEST_ERRNO == test_cases[i].exp_errno) {
    114 			tst_resm(TPASS | TTERRNO, "Got expected errno");
    115 		} else {
    116 			tst_resm(TFAIL | TTERRNO, "Got unexpected errno");
    117 		}
    118 
    119 	}
    120 
    121 	cleanup();
    122 	tst_exit();
    123 }
    124