1 /*
2 * Copyright (c) Wipro Technologies Ltd, 2002. 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 : mlockall01
20 *
21 * EXECUTED BY : root / superuser
22 *
23 * TEST TITLE : Basic test for mlockall(2)
24 *
25 * TEST CASE TOTAL : 3
26 *
27 * AUTHOR : Nirmala Devi Dhanasekar <nirmala.devi@wipro.com>
28 *
29 * SIGNALS
30 * Uses SIGUSR1 to pause before test if option set.
31 * (See the parse_opts(3) man page).
32 *
33 * DESCRIPTION
34 * This is a Phase I test for the mlockall(2) system call.
35 * It is intended to provide a limited exposure of the system call.
36 *
37 * Setup:
38 * Setup signal handling.
39 * Pause for SIGUSR1 if option specified.
40 *
41 * Test:
42 * Loop if the proper options are given.
43 * Execute system call
44 * Check return code, if system call failed (return=-1)
45 * Log the errno and Issue a FAIL message.
46 * Otherwise, Issue a PASS message.
47 *
48 * Cleanup:
49 * Print errno log and/or timing stats if options given
50 *
51 * USAGE: <for command-line>
52 * mlockall01 [-c n] [-e] [-i n] [-I x] [-p x] [-t]
53 * where,$
54 * -c n : Run n copies concurrently
55 * -e : Turn on errno logging.
56 * -h : Show this help screen
57 * -i n : Execute test n times.
58 * -I x : Execute test for x seconds.
59 * -p : Pause for SIGUSR1 before starting
60 * -P x : Pause for x seconds between iterations.
61 * -t : Turn on syscall timing.
62 *
63 * RESTRICTIONS
64 * Must run as root.
65 *****************************************************************************/
66
67 #include <errno.h>
68 #include <unistd.h>
69 #include <sys/mman.h>
70 #include "test.h"
71
72 void setup();
73 void cleanup();
74
75 char *TCID = "mlockall01";
76 int TST_TOTAL = 3;
77
78 #if !defined(UCLINUX)
79
80 struct test_case_t {
81 int flag;
82 char *fdesc;
83 } TC[] = {
84 /*
85 * Check for all possible flags of mlockall
86 */
87 {
88 MCL_CURRENT, "MCL_CURRENT"}, {
89 MCL_FUTURE, "MCL_FUTURE"}, {
90 MCL_CURRENT | MCL_FUTURE, "MCL_CURRENT|MCL_FUTURE"}
91 };
92
main(int ac,char ** av)93 int main(int ac, char **av)
94 {
95 int lc, i;
96
97 tst_parse_opts(ac, av, NULL, NULL);
98
99 setup();
100
101 for (lc = 0; TEST_LOOPING(lc); lc++) {
102
103 tst_count = 0;
104
105 for (i = 0; i < TST_TOTAL; i++) {
106
107 TEST(mlockall(TC[i].flag));
108
109 /* check return code */
110
111 if (TEST_RETURN == -1) {
112 tst_resm(TFAIL | TTERRNO,
113 "mlockall(%s) Failed with "
114 "return=%ld", TC[i].fdesc,
115 TEST_RETURN);
116 } else {
117 tst_resm(TPASS, "mlockall test passed for %s",
118 TC[i].fdesc);
119 }
120 }
121 }
122
123 /* cleanup and exit */
124
125 cleanup();
126
127 tst_exit();
128 }
129
130 #else
131
main(void)132 int main(void)
133 {
134 tst_resm(TINFO, "test is not available on uClinux");
135 tst_exit();
136 }
137
138 #endif
139
140 /*
141 * setup() - performs all ONE TIME setup for this test.
142 */
143
setup(void)144 void setup(void)
145 {
146 tst_require_root();
147
148 tst_sig(NOFORK, DEF_HANDLER, cleanup);
149
150 TEST_PAUSE;
151 }
152
153 /*
154 * cleanup() - performs all ONE TIME cleanup for this test at
155 * completion or premature exit.
156 */
cleanup(void)157 void cleanup(void)
158 {
159 }
160