1 /*
2 *
3 * Copyright (c) International Business Machines Corp., 2001
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 /*
21 * NAME
22 * semget06.c
23 *
24 * DESCRIPTION
25 * semget06 - test for EINVAL error
26 *
27 * ALGORITHM
28 * loop if that option was specified
29 * call semget() using two different invalid cases - too many and too
30 * few primitive semaphores
31 * check the errno value
32 * issue a PASS message if we get EINVAL
33 * otherwise, the tests fails
34 * issue a FAIL message
35 * call cleanup
36 *
37 * USAGE: <for command-line>
38 * semget06 [-c n] [-e] [-i n] [-I x] [-P x] [-t]
39 * where, -c n : Run n copies concurrently.
40 * -e : Turn on errno logging.
41 * -i n : Execute test n times.
42 * -I x : Execute test for x seconds.
43 * -P x : Pause for x seconds between iterations.
44 * -t : Turn on syscall timing.
45 *
46 * HISTORY
47 * 03/2001 - Written by Wayne Boyer
48 *
49 * RESTRICTIONS
50 * none
51 */
52
53 #include "../lib/ipcsem.h"
54
55 char *TCID = "semget06";
56 int TST_TOTAL = 2;
57
58 #define LARGENUM 1024 * 32
59 #define SMALLNUM -1
60
61 int sem_id_1 = -1;
62
63 int num_sems[] = { LARGENUM, SMALLNUM };
64
main(int ac,char ** av)65 int main(int ac, char **av)
66 {
67 int lc;
68 int i;
69
70 tst_parse_opts(ac, av, NULL, NULL);
71
72 setup(); /* global setup */
73
74 /* The following loop checks looping state if -i option given */
75
76 for (lc = 0; TEST_LOOPING(lc); lc++) {
77 /* reset tst_count in case we are looping */
78 tst_count = 0;
79
80 /* loop through the test cases */
81
82 for (i = 0; i < TST_TOTAL; i++) {
83 TEST(semget(semkey, num_sems[i],
84 IPC_CREAT | IPC_EXCL | SEM_RA));
85
86 if (TEST_RETURN != -1) {
87 sem_id_1 = TEST_RETURN;
88 tst_resm(TFAIL, "call succeeded");
89 continue;
90 }
91
92 switch (TEST_ERRNO) {
93 case EINVAL:
94 tst_resm(TPASS, "expected failure - errno "
95 "= %d : %s", TEST_ERRNO,
96 strerror(TEST_ERRNO));
97 break;
98 default:
99 tst_resm(TFAIL, "unexpected error - %d : %s",
100 TEST_ERRNO, strerror(TEST_ERRNO));
101 break;
102 }
103 }
104 }
105
106 cleanup();
107
108 tst_exit();
109 }
110
111 /*
112 * setup() - performs all the ONE TIME setup for this test.
113 */
setup(void)114 void setup(void)
115 {
116
117 tst_sig(NOFORK, DEF_HANDLER, cleanup);
118
119 TEST_PAUSE;
120
121 /*
122 * Create a temporary directory and cd into it.
123 * This helps to ensure that a unique msgkey is created.
124 * See ../lib/libipc.c for more information.
125 */
126 tst_tmpdir();
127
128 /* get an IPC resource key */
129 semkey = getipckey();
130 }
131
132 /*
133 * cleanup() - performs all the ONE TIME cleanup for this test at completion
134 * or premature exit.
135 */
cleanup(void)136 void cleanup(void)
137 {
138 /* if it exists, remove the semaphore resource */
139 rm_sema(sem_id_1);
140
141 tst_rmdir();
142
143 }
144