1 /*
2  * Copyright (c) Wipro Technologies Ltd, 2003.  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	: timer_create04
20  *
21  *    EXECUTED BY	: anyone
22  *
23  *    TEST TITLE	: Test checking for basic error conditions for
24  *    			  timer_create(2)
25  *
26  *    TEST CASE TOTAL	: 8
27  *
28  *    AUTHOR		: Aniruddha Marathe <aniruddha.marathe@wipro.com>
29  *
30  *    SIGNALS
31  * 	Uses SIGUSR1 to pause before test if option set.
32  * 	(See the parse_opts(3) man page).
33  *
34  *    DESCRIPTION
35  *    	This test case check whether timer_create(2) returns appropriate error
36  *    	value for invalid parameter
37  *
38  * 	Setup:
39  *	 Setup signal handling.
40  *	 Pause for SIGUSR1 if option specified.
41  *
42  * 	Test:
43  *	 Loop if the proper options are given.
44  *	 For case 7 set event parameter as bad pointer
45  *	 for case 8 set returned timer ID parameter as bad pointer
46  *	 Execute system call with invalid parameter
47  *	 Check return code, if system call fails with errno == expected errno
48  * 	 	Issue syscall passed with expected errno
49  *	 Otherwise, Issue syscall failed to produce expected errno
50  *
51  * 	Cleanup:
52  * 	 Print errno log and/or timing stats if options given
53  *
54  * USAGE:  <for command-line>
55  * timer_create04 [-c n] [-e] [-i n] [-I x] [-P x] [-t] [-p]
56  * where:
57  * 	-c n : run n copies simultaneously
58  *	-e   : Turn on errno logging.
59  *	-i n : Execute test n times.
60  *	-I x : Execute test for x seconds.
61  *	-p   : Pause for SIGUSR1 before starting
62  *	-P x : Pause for x seconds between iterations.
63  *	-t   : Turn on syscall timing.
64  *
65  * RESTRICTIONS:
66  * None
67  *****************************************************************************/
68 
69 #include <stdlib.h>
70 #include <errno.h>
71 #include <string.h>
72 #include <time.h>
73 #include <signal.h>
74 
75 #include "test.h"
76 #include "common_timers.h"
77 
78 void setup(void);
79 
80 int testcase[6] = {
81 	EINVAL,			/* MAX_CLOCKS     */
82 	EINVAL,			/* MAX_CLOCKS + 1 */
83 	EFAULT,			/* bad sigevent   */
84 	EFAULT			/* bad timer_id   */
85 };
86 
87 char *TCID = "timer_create04";	/* Test program identifier.    */
88 int TST_TOTAL = ARRAY_SIZE(testcase);
89 
90 /*
91  * cleanup() - Performs one time cleanup for this test at
92  * completion or premature exit
93  */
cleanup(void)94 void cleanup(void)
95 {
96 
97 }
98 
main(int ac,char ** av)99 int main(int ac, char **av)
100 {
101 	int lc, i;
102 	kernel_timer_t timer_id, *temp_id;	/* stores the returned timer_id */
103 	struct sigevent *temp_ev;	/* used for bad address test case */
104 
105 	clockid_t clocks[6] = {
106 		MAX_CLOCKS,
107 		MAX_CLOCKS + 1,
108 		CLOCK_REALTIME,
109 		CLOCK_MONOTONIC,
110 		CLOCK_PROCESS_CPUTIME_ID,
111 		CLOCK_THREAD_CPUTIME_ID
112 	};
113 
114 	tst_parse_opts(ac, av, NULL, NULL);
115 
116 	TST_TOTAL = sizeof(testcase) / sizeof(testcase[0]);
117 
118 	/* PROCESS_CPUTIME_ID & THREAD_CPUTIME_ID are not supported on
119 	 * kernel versions lower than 2.6.12
120 	 */
121 	if (tst_kvercmp(2, 6, 12) < 0) {
122 		testcase[4] = EINVAL;
123 		testcase[5] = EINVAL;
124 	} else {
125 		testcase[4] = EFAULT;
126 		testcase[5] = EFAULT;
127 	}
128 
129 	setup();
130 
131 	for (lc = 0; TEST_LOOPING(lc); lc++) {
132 
133 		tst_count = 0;
134 
135 		for (i = 0; i < TST_TOTAL; i++) {
136 
137 			temp_ev = NULL;
138 			temp_id = &timer_id;
139 
140 			switch (i) {
141 			case 2:	/* make the timer_id bad address */
142 				temp_id = (kernel_timer_t *) - 1;
143 				break;
144 			case 3:
145 				/* make the event bad address */
146 				temp_ev = (struct sigevent *)-1;
147 				break;
148 			case 4:
149 				/* Produce an invalid timer_id address. */
150 				if (tst_kvercmp(2, 6, 12) >= 0)
151 					temp_id = (kernel_timer_t *) - 1;
152 				break;
153 			case 5:
154 				/* Produce an invalid event address. */
155 				if (tst_kvercmp(2, 6, 12) >= 0)
156 					temp_ev = (struct sigevent *)-1;
157 			}
158 
159 			TEST(ltp_syscall(__NR_timer_create, clocks[i], temp_ev,
160 				     temp_id));
161 
162 			/* check return code */
163 			if (TEST_RETURN == -1 && TEST_ERRNO == testcase[i]) {
164 				tst_resm(TPASS | TTERRNO, "failed as expected");
165 			} else {
166 				tst_resm(TFAIL | TTERRNO,
167 					 "didn't fail as expected [expected "
168 					 "errno = %d (%s)]",
169 					 testcase[i], strerror(testcase[i]));
170 			}	/* end of else */
171 
172 		}
173 
174 	}
175 
176 	cleanup();
177 	tst_exit();
178 }
179 
180 /* setup() - performs all ONE TIME setup for this test */
setup(void)181 void setup(void)
182 {
183 
184 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
185 
186 	TEST_PAUSE;
187 }
188