1 | /* Test for completion thread handling. |
2 | Copyright (C) 2000-2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library 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 the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <aio.h> |
20 | #include <signal.h> |
21 | #include <stdio.h> |
22 | #include <stdlib.h> |
23 | #include <unistd.h> |
24 | #include <errno.h> |
25 | |
26 | #define MY_SIVAL 27 |
27 | |
28 | volatile sig_atomic_t flag; |
29 | |
30 | |
31 | static void |
32 | callback (sigval_t s) |
33 | { |
34 | flag = s.sival_int; |
35 | } |
36 | |
37 | static int |
38 | wait_flag (void) |
39 | { |
40 | while (flag == 0) |
41 | { |
42 | puts (s: "Sleeping..." ); |
43 | sleep (seconds: 1); |
44 | } |
45 | |
46 | if (flag != MY_SIVAL) |
47 | { |
48 | printf (format: "signal handler received wrong signal, flag is %d\n" , flag); |
49 | return 1; |
50 | } |
51 | |
52 | return 0; |
53 | } |
54 | |
55 | |
56 | static int |
57 | do_test (int argc, char *argv[]) |
58 | { |
59 | char name[] = "/tmp/aio5.XXXXXX" ; |
60 | int fd; |
61 | struct aiocb *arr[1]; |
62 | struct aiocb cb; |
63 | static const char buf[] = "Hello World\n" ; |
64 | struct sigevent ev; |
65 | |
66 | fd = mkstemp (template: name); |
67 | if (fd == -1) |
68 | { |
69 | printf (format: "cannot open temp name: %m\n" ); |
70 | return 1; |
71 | } |
72 | |
73 | unlink (name: name); |
74 | |
75 | arr[0] = &cb; |
76 | |
77 | cb.aio_fildes = fd; |
78 | cb.aio_lio_opcode = LIO_WRITE; |
79 | cb.aio_reqprio = 0; |
80 | cb.aio_buf = (void *) buf; |
81 | cb.aio_nbytes = sizeof (buf) - 1; |
82 | cb.aio_offset = 0; |
83 | cb.aio_sigevent.sigev_notify = SIGEV_THREAD; |
84 | cb.aio_sigevent.sigev_notify_function = callback; |
85 | cb.aio_sigevent.sigev_notify_attributes = NULL; |
86 | cb.aio_sigevent.sigev_value.sival_int = MY_SIVAL; |
87 | |
88 | ev.sigev_notify = SIGEV_THREAD; |
89 | ev.sigev_notify_function = callback; |
90 | ev.sigev_notify_attributes = NULL; |
91 | ev.sigev_value.sival_int = MY_SIVAL; |
92 | |
93 | /* First use aio_write. */ |
94 | if (aio_write (aiocbp: arr[0]) < 0) |
95 | { |
96 | if (errno == ENOSYS) |
97 | { |
98 | puts (s: "no aio support in this configuration" ); |
99 | return 0; |
100 | } |
101 | printf (format: "aio_write failed: %m\n" ); |
102 | return 1; |
103 | } |
104 | |
105 | if (wait_flag ()) |
106 | return 1; |
107 | |
108 | puts (s: "aio_write OK" ); |
109 | |
110 | flag = 0; |
111 | /* Again with lio_listio. */ |
112 | if (lio_listio (LIO_NOWAIT, list: arr, nent: 1, sig: &ev) < 0) |
113 | { |
114 | printf (format: "lio_listio failed: %m\n" ); |
115 | return 1; |
116 | } |
117 | |
118 | if (wait_flag ()) |
119 | return 1; |
120 | |
121 | puts (s: "all OK" ); |
122 | |
123 | return 0; |
124 | } |
125 | |
126 | #include "../test-skeleton.c" |
127 | |