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      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  ******************************************************************************/
     19 /*
     20  * File:	tkill02.c
     21  *
     22  * Description: This tests the tkill() syscall
     23  *
     24  * History:     Porting from Crackerjack to LTP is done by
     25  *              Manas Kumar Nayak maknayak (at) in.ibm.com>
     26  */
     27 
     28 #include <stdio.h>
     29 #include <stdlib.h>
     30 #include <errno.h>
     31 #include <unistd.h>
     32 #include <signal.h>
     33 #include <sys/syscall.h>
     34 
     35 #include "test.h"
     36 #include "lapi/syscalls.h"
     37 
     38 char *TCID = "tkill02";
     39 int testno;
     40 
     41 static pid_t inval_tid = -1;
     42 static pid_t unused_tid;
     43 
     44 void cleanup(void)
     45 {
     46 	tst_rmdir();
     47 }
     48 
     49 void setup(void)
     50 {
     51 	TEST_PAUSE;
     52 	tst_tmpdir();
     53 
     54 	unused_tid = tst_get_unused_pid(cleanup);
     55 }
     56 
     57 struct test_case_t {
     58 	int *tid;
     59 	int exp_errno;
     60 } test_cases[] = {
     61 	{&inval_tid, EINVAL},
     62 	{&unused_tid, ESRCH}
     63 };
     64 
     65 int TST_TOTAL = sizeof(test_cases) / sizeof(test_cases[0]);
     66 
     67 int main(int ac, char **av)
     68 {
     69 	int i;
     70 
     71 	setup();
     72 
     73 	tst_parse_opts(ac, av, NULL, NULL);
     74 
     75 	for (i = 0; i < TST_TOTAL; i++) {
     76 
     77 		TEST(ltp_syscall(__NR_tkill, *(test_cases[i].tid), SIGUSR1));
     78 
     79 		if (TEST_RETURN == -1) {
     80 			if (TEST_ERRNO == test_cases[i].exp_errno) {
     81 				tst_resm(TPASS | TTERRNO,
     82 					 "tkill(%d, SIGUSR1) failed as expected",
     83 					 *(test_cases[i].tid));
     84 			} else {
     85 				tst_brkm(TFAIL | TTERRNO, cleanup,
     86 					 "tkill(%d, SIGUSR1) failed unexpectedly",
     87 					 *(test_cases[i].tid));
     88 			}
     89 		} else {
     90 			tst_brkm(TFAIL, cleanup,
     91 				 "tkill(%d) succeeded unexpectedly",
     92 				 *(test_cases[i].tid));
     93 		}
     94 	}
     95 	cleanup();
     96 	tst_exit();
     97 }
     98