1 /*
2 *
3 * Copyright (c) Crackerjack Project., 2007
4 * Copyright (c) 2011 Cyril Hrubis <chrubis@suse.cz>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
14 * the GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 /* Porting from Crackerjack to LTP is done
22 by Masatake YAMATO <yamato@redhat.com> */
23
24 #include "config.h"
25 #include "test.h"
26
27 char *TCID = "io_getevents01";
28
29 int TST_TOTAL = 1;
30
31 #ifdef HAVE_LIBAIO_H
32 #include <libaio.h>
33 #include <errno.h>
34 #include <string.h>
35
cleanup(void)36 static void cleanup(void)
37 {
38 }
39
setup(void)40 static void setup(void)
41 {
42 tst_sig(NOFORK, DEF_HANDLER, cleanup);
43
44 TEST_PAUSE;
45 }
46
47 /*
48 DESCRIPTION
49 io_getevents attempts to read at least min_nr events and up to nr
50 events from the completion queue of the AIO context specified by
51 ctx_id. timeout specifies the amount of time to wait for events,
52 where a NULL timeout waits until at least min_nr events have been
53 seen. Note that timeout is relative and will be updated if not NULL
54 and the operation blocks.
55
56 RETURN VALUE
57 io_getevents returns the number of events read: 0 if no events are
58 available or < min_nr if the timeout has elapsed.
59
60 ERRORS
61 EINVAL ctx_id is invalid. min_nr is out of range or nr is out of
62 range.
63 */
64
65 #define EXP_RET (-EINVAL)
66
main(int argc,char * argv[])67 int main(int argc, char *argv[])
68 {
69 int lc;
70
71 io_context_t ctx;
72
73 memset(&ctx, 0, sizeof(ctx));
74
75 tst_parse_opts(argc, argv, NULL, NULL);
76
77 setup();
78
79 for (lc = 0; TEST_LOOPING(lc); lc++) {
80 tst_count = 0;
81
82 TEST(io_getevents(ctx, 0, 0, NULL, NULL));
83
84 switch (TEST_RETURN) {
85 case 0:
86 tst_resm(TFAIL, "call succeeded unexpectedly");
87 break;
88 case EXP_RET:
89 tst_resm(TPASS, "expected failure - "
90 "returned value = %ld : %s", TEST_RETURN,
91 strerror(-TEST_RETURN));
92 break;
93 case -ENOSYS:
94 tst_resm(TCONF, "io_cancel returned ENOSYS");
95 break;
96 default:
97 tst_resm(TFAIL, "unexpected returned value - %s (%i) - "
98 "expected %s (%i)", strerror(-TEST_RETURN),
99 (int)TEST_RETURN, strerror(-EXP_RET), EXP_RET);
100 break;
101 }
102 }
103
104 cleanup();
105 tst_exit();
106 }
107 #else
main(int argc,char * argv[])108 int main(int argc, char *argv[])
109 {
110 tst_brkm(TCONF, NULL, "System doesn't support execution of the test");
111 }
112 #endif
113