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[glibc/history.git] / rt / tst-aio5.c
blobcc7152ecbd300d0d3c837374e9f8472277cdf092
1 /* Test for completion thread handling.
2 Copyright (C) 2000,02 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <aio.h>
21 #include <signal.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <unistd.h>
25 #include <errno.h>
27 /* We might need a bit longer timeout. */
28 #define TIMEOUT 10 /* sec */
30 #define MY_SIVAL 27
32 volatile sig_atomic_t flag;
35 static void
36 callback (sigval_t s)
38 flag = s.sival_int;
41 static int
42 wait_flag (void)
44 while (flag == 0)
46 puts ("Sleeping...");
47 sleep (1);
50 if (flag != MY_SIVAL)
52 printf ("signal handler received wrong signal, flag is %d\n", flag);
53 return 1;
56 return 0;
60 static int
61 do_test (int argc, char *argv[])
63 char name[] = "/tmp/aio5.XXXXXX";
64 int fd;
65 struct aiocb *arr[1];
66 struct aiocb cb;
67 static const char buf[] = "Hello World\n";
68 struct sigevent ev;
70 fd = mkstemp (name);
71 if (fd == -1)
73 printf ("cannot open temp name: %m\n");
74 return 1;
77 unlink (name);
79 arr[0] = &cb;
81 cb.aio_fildes = fd;
82 cb.aio_lio_opcode = LIO_WRITE;
83 cb.aio_reqprio = 0;
84 cb.aio_buf = (void *) buf;
85 cb.aio_nbytes = sizeof (buf) - 1;
86 cb.aio_offset = 0;
87 cb.aio_sigevent.sigev_notify = SIGEV_THREAD;
88 cb.aio_sigevent.sigev_notify_function = callback;
89 cb.aio_sigevent.sigev_notify_attributes = NULL;
90 cb.aio_sigevent.sigev_value.sival_int = MY_SIVAL;
92 ev.sigev_notify = SIGEV_THREAD;
93 ev.sigev_notify_function = callback;
94 ev.sigev_notify_attributes = NULL;
95 ev.sigev_value.sival_int = MY_SIVAL;
97 /* First use aio_write. */
98 if (aio_write (arr[0]) < 0)
100 if (errno == ENOSYS)
102 puts ("no aio support in this configuration");
103 return 0;
105 printf ("aio_write failed: %m\n");
106 return 1;
109 if (wait_flag ())
110 return 1;
112 puts ("aio_write OK");
114 flag = 0;
115 /* Again with lio_listio. */
116 if (lio_listio (LIO_NOWAIT, arr, 1, &ev) < 0)
118 printf ("lio_listio failed: %m\n");
119 return 1;
122 if (wait_flag ())
123 return 1;
125 puts ("all OK");
127 return 0;
130 #include "../test-skeleton.c"