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1 | /* Test for notification mechanism in lio_listio. | |
2 | Copyright (C) 2000-2019 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 2000. | |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library 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 the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <aio.h> | |
21 | #include <signal.h> | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <unistd.h> | |
25 | #include <errno.h> | |
26 | #include <pthread.h> | |
27 | ||
28 | ||
29 | static pthread_barrier_t b; | |
30 | ||
31 | ||
32 | static void | |
33 | thrfct (sigval_t arg) | |
34 | { | |
35 | int e = pthread_barrier_wait (&b); | |
36 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
37 | { | |
38 | puts ("thread: barrier_wait failed"); | |
39 | exit (1); | |
40 | } | |
41 | } | |
42 | ||
43 | ||
44 | static int | |
45 | do_test (int argc, char *argv[]) | |
46 | { | |
47 | char name[] = "/tmp/aio2.XXXXXX"; | |
48 | int fd; | |
49 | struct aiocb *arr[1]; | |
50 | struct aiocb cb; | |
51 | static const char buf[] = "Hello World\n"; | |
52 | ||
53 | fd = mkstemp (name); | |
54 | if (fd == -1) | |
55 | { | |
56 | printf ("cannot open temp name: %m\n"); | |
57 | return 1; | |
58 | } | |
59 | ||
60 | unlink (name); | |
61 | ||
62 | if (pthread_barrier_init (&b, NULL, 2) != 0) | |
63 | { | |
64 | puts ("barrier_init failed"); | |
65 | return 1; | |
66 | } | |
67 | ||
68 | arr[0] = &cb; | |
69 | ||
70 | cb.aio_fildes = fd; | |
71 | cb.aio_lio_opcode = LIO_WRITE; | |
72 | cb.aio_reqprio = 0; | |
73 | cb.aio_buf = (void *) buf; | |
74 | cb.aio_nbytes = sizeof (buf) - 1; | |
75 | cb.aio_offset = 0; | |
76 | cb.aio_sigevent.sigev_notify = SIGEV_THREAD; | |
77 | cb.aio_sigevent.sigev_notify_function = thrfct; | |
78 | cb.aio_sigevent.sigev_notify_attributes = NULL; | |
79 | cb.aio_sigevent.sigev_value.sival_ptr = NULL; | |
80 | ||
81 | if (lio_listio (LIO_WAIT, arr, 1, NULL) < 0) | |
82 | { | |
83 | if (errno == ENOSYS) | |
84 | { | |
85 | puts ("no aio support in this configuration"); | |
86 | return 0; | |
87 | } | |
88 | printf ("lio_listio failed: %m\n"); | |
89 | return 1; | |
90 | } | |
91 | ||
92 | puts ("lio_listio returned"); | |
93 | ||
94 | int e = pthread_barrier_wait (&b); | |
95 | if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
96 | { | |
97 | puts ("barrier_wait failed"); | |
98 | return 1; | |
99 | } | |
100 | ||
101 | puts ("all OK"); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | #include "../test-skeleton.c" |