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9881cbf8 | 1 | /* Test for completion signal handling. |
d4697bc9 | 2 | Copyright (C) 2000-2014 Free Software Foundation, Inc. |
9881cbf8 AJ |
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 | |
41bdb6e2 AJ |
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. | |
9881cbf8 AJ |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
9881cbf8 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
9881cbf8 AJ |
18 | |
19 | #include <aio.h> | |
20 | #include <signal.h> | |
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <unistd.h> | |
ffa8d2a0 | 24 | #include <errno.h> |
9881cbf8 AJ |
25 | |
26 | /* We might need a bit longer timeout. */ | |
27 | #define TIMEOUT 10 /* sec */ | |
28 | ||
207390f7 | 29 | int my_signo; |
9881cbf8 AJ |
30 | |
31 | volatile sig_atomic_t flag; | |
32 | ||
33 | ||
de149cdb | 34 | static void |
9881cbf8 AJ |
35 | sighandler (const int signo) |
36 | { | |
37 | flag = signo; | |
38 | } | |
39 | ||
de149cdb | 40 | static int |
9881cbf8 AJ |
41 | wait_flag (void) |
42 | { | |
43 | while (flag == 0) | |
44 | { | |
45 | puts ("Sleeping..."); | |
46 | sleep (1); | |
47 | } | |
48 | ||
207390f7 | 49 | if (flag != my_signo) |
9881cbf8 AJ |
50 | { |
51 | printf ("signal handler received wrong signal, flag is %d\n", flag); | |
52 | return 1; | |
53 | } | |
54 | ||
55 | return 0; | |
56 | } | |
57 | ||
37d8d362 RM |
58 | #ifndef SIGRTMIN |
59 | # define SIGRTMIN -1 | |
60 | # define SIGRTMAX -1 | |
61 | #endif | |
9881cbf8 | 62 | |
de149cdb | 63 | static int |
9881cbf8 AJ |
64 | do_test (int argc, char *argv[]) |
65 | { | |
66 | char name[] = "/tmp/aio4.XXXXXX"; | |
67 | int fd; | |
68 | struct aiocb *arr[1]; | |
69 | struct aiocb cb; | |
70 | static const char buf[] = "Hello World\n"; | |
71 | struct aioinit init = {10, 20, 0}; | |
72 | struct sigaction sa; | |
73 | struct sigevent ev; | |
74 | ||
207390f7 AJ |
75 | if (SIGRTMIN == -1) |
76 | { | |
77 | printf ("RT signals not supported.\n"); | |
78 | return 0; | |
79 | } | |
80 | ||
81 | /* Select a signal from the middle of the available choices... */ | |
82 | my_signo = (SIGRTMAX + SIGRTMIN) / 2; | |
83 | ||
9881cbf8 AJ |
84 | fd = mkstemp (name); |
85 | if (fd == -1) | |
86 | { | |
87 | printf ("cannot open temp name: %m\n"); | |
88 | return 1; | |
89 | } | |
90 | ||
91 | unlink (name); | |
92 | ||
93 | /* Test also aio_init. */ | |
94 | aio_init (&init); | |
95 | ||
96 | arr[0] = &cb; | |
97 | ||
98 | cb.aio_fildes = fd; | |
99 | cb.aio_lio_opcode = LIO_WRITE; | |
100 | cb.aio_reqprio = 0; | |
101 | cb.aio_buf = (void *) buf; | |
102 | cb.aio_nbytes = sizeof (buf) - 1; | |
636ccfc8 | 103 | cb.aio_offset = 0; |
9881cbf8 AJ |
104 | cb.aio_sigevent.sigev_notify = SIGEV_SIGNAL; |
105 | cb.aio_sigevent.sigev_notify_function = NULL; | |
106 | cb.aio_sigevent.sigev_notify_attributes = NULL; | |
207390f7 | 107 | cb.aio_sigevent.sigev_signo = my_signo; |
9881cbf8 AJ |
108 | cb.aio_sigevent.sigev_value.sival_ptr = NULL; |
109 | ||
110 | ev.sigev_notify = SIGEV_SIGNAL; | |
111 | ev.sigev_notify_function = NULL; | |
112 | ev.sigev_notify_attributes = NULL; | |
207390f7 | 113 | ev.sigev_signo = my_signo; |
9881cbf8 AJ |
114 | |
115 | sa.sa_handler = sighandler; | |
116 | sigemptyset (&sa.sa_mask); | |
117 | sa.sa_flags = SA_RESTART; | |
9881cbf8 | 118 | |
207390f7 | 119 | if (sigaction (my_signo, &sa, NULL) < 0) |
9881cbf8 AJ |
120 | { |
121 | printf ("sigaction failed: %m\n"); | |
122 | return 1; | |
123 | } | |
124 | ||
125 | flag = 0; | |
126 | /* First use aio_write. */ | |
127 | if (aio_write (arr[0]) < 0) | |
128 | { | |
ffa8d2a0 RM |
129 | if (errno == ENOSYS) |
130 | { | |
131 | puts ("no aio support in this configuration"); | |
132 | return 0; | |
133 | } | |
9881cbf8 AJ |
134 | printf ("aio_write failed: %m\n"); |
135 | return 1; | |
136 | } | |
137 | ||
138 | if (wait_flag ()) | |
139 | return 1; | |
140 | ||
141 | puts ("aio_write OK"); | |
142 | ||
143 | flag = 0; | |
144 | /* Again with lio_listio. */ | |
145 | if (lio_listio (LIO_NOWAIT, arr, 1, &ev) < 0) | |
146 | { | |
147 | printf ("lio_listio failed: %m\n"); | |
148 | return 1; | |
149 | } | |
150 | ||
151 | if (wait_flag ()) | |
152 | return 1; | |
153 | ||
154 | puts ("all OK"); | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
159 | #include "../test-skeleton.c" |