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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	       */
16 /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    */
17 /*									    */
18 /******************************************************************************/
19 /******************************************************************************/
20 /*									    */
21 /* File:	tkill02.c					   */
22 /*									    */
23 /* Description: This tests the tkill() syscall		      */
24 /*									    */
25 /* Usage:  <for command-line>						 */
26 /* tkill02 [-c n] [-e][-i n] [-I x] [-p x] [-t]		     */
27 /*      where,  -c n : Run n copies concurrently.			     */
28 /*	      -e   : Turn on errno logging.				 */
29 /*	      -i n : Execute test n times.				  */
30 /*	      -I x : Execute test for x seconds.			    */
31 /*	      -P x : Pause for x seconds between iterations.		*/
32 /*	      -t   : Turn on syscall timing.				*/
33 /*									    */
34 /* Total Tests: 1							     */
35 /*									    */
36 /* Test Name:   tkill02					     */
37 /* History:     Porting from Crackerjack to LTP is done by		    */
38 /*	      Manas Kumar Nayak maknayak@in.ibm.com>			*/
39 /******************************************************************************/
40 
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <errno.h>
44 #include <unistd.h>
45 #include <signal.h>
46 #include <sys/syscall.h>
47 
48 #include "test.h"
49 #include "linux_syscall_numbers.h"
50 
51 char *TCID = "tkill02";
52 int testno;
53 
54 static pid_t inval_tid = -1;
55 static pid_t unused_tid;
56 
57 
58 /* Extern Global Functions */
59 /******************************************************************************/
60 /*									    */
61 /* Function:    cleanup						       */
62 /*									    */
63 /* Description: Performs all one time clean up for this test on successful    */
64 /*	      completion,  premature exit or  failure. Closes all temporary */
65 /*	      files, removes all temporary directories exits the test with  */
66 /*	      appropriate return code by calling tst_exit() function.       */
67 /*									    */
68 /* Input:       None.							 */
69 /*									    */
70 /* Output:      None.							 */
71 /*									    */
72 /* Return:      On failure - Exits calling tst_exit(). Non '0' return code.   */
73 /*	      On success - Exits calling tst_exit(). With '0' return code.  */
74 /*									    */
75 /******************************************************************************/
cleanup(void)76 void cleanup(void)
77 {
78 
79 	tst_rmdir();
80 }
81 
82 /* Local  Functions */
83 /******************************************************************************/
84 /*									    */
85 /* Function:    setup							 */
86 /*									    */
87 /* Description: Performs all one time setup for this test. This function is   */
88 /*	      typically used to capture signals, create temporary dirs      */
89 /*	      and temporary files that may be used in the course of this    */
90 /*	      test.							 */
91 /*									    */
92 /* Input:       None.							 */
93 /*									    */
94 /* Output:      None.							 */
95 /*									    */
96 /* Return:      On failure - Exits by calling cleanup().		      */
97 /*	      On success - returns 0.				       */
98 /*									    */
99 /******************************************************************************/
setup(void)100 void setup(void)
101 {
102 	/* Capture signals if any */
103 	/* Create temporary directories */
104 	TEST_PAUSE;
105 	tst_tmpdir();
106 
107 	unused_tid = tst_get_unused_pid(cleanup);
108 }
109 
110 struct test_case_t {
111 	int *tid;
112 	int exp_errno;
113 } test_cases[] = {
114 	{
115 	&inval_tid, EINVAL}, {
116 	&unused_tid, ESRCH}
117 };
118 
119 int TST_TOTAL = sizeof(test_cases) / sizeof(test_cases[0]);
120 
main(int ac,char ** av)121 int main(int ac, char **av)
122 {
123 	int i;
124 
125 	setup();
126 
127 	for (i = 0; i < TST_TOTAL; i++) {
128 
129 		TEST(ltp_syscall(__NR_tkill, *(test_cases[i].tid), SIGUSR1));
130 
131 		if (TEST_RETURN == -1) {
132 			if (TEST_ERRNO == test_cases[i].exp_errno) {
133 				tst_resm(TPASS | TTERRNO,
134 					 "tkill(%d, SIGUSR1) failed as expected",
135 					 *(test_cases[i].tid));
136 			} else {
137 				tst_brkm(TFAIL | TTERRNO, cleanup,
138 					 "tkill(%d, SIGUSR1) failed unexpectedly",
139 					 *(test_cases[i].tid));
140 			}
141 		} else {
142 			tst_brkm(TFAIL, cleanup,
143 				 "tkill(%d) succeeded unexpectedly",
144 				 *(test_cases[i].tid));
145 		}
146 	}
147 	cleanup();
148 	tst_exit();
149 }
150