1#include <aio.h>
2#include <errno.h>
3#include <signal.h>
4#include <stdio.h>
5#include <stdlib.h>
6#include <pthread.h>
7#include <unistd.h>
8
9static pthread_barrier_t b;
10static pthread_t main_thread;
11static int flag;
12
13
14static void *
15tf (void *arg)
16{
17 int e = pthread_barrier_wait (barrier: &b);
18 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
19 {
20 puts (s: "child: barrier_wait failed");
21 exit (1);
22 }
23
24 /* There is unfortunately no other way to try to make sure the other
25 thread reached the aio_suspend call. This test could fail on
26 highly loaded machines. */
27 sleep (seconds: 2);
28
29 pthread_kill (threadid: main_thread, SIGUSR1);
30
31 while (1)
32 sleep (seconds: 1000);
33
34 return NULL;
35}
36
37
38static void
39sh (int sig)
40{
41 flag = 1;
42}
43
44
45static int
46do_test (void)
47{
48 main_thread = pthread_self ();
49
50 struct sigaction sa;
51
52 sa.sa_handler = sh;
53 sa.sa_flags = 0;
54 sigemptyset (&sa.sa_mask);
55
56 if (sigaction (SIGUSR1, act: &sa, NULL) != 0)
57 {
58 puts (s: "sigaction failed");
59 return 1;
60 }
61
62 if (pthread_barrier_init (barrier: &b, NULL, count: 2) != 0)
63 {
64 puts (s: "barrier_init");
65 return 1;
66 }
67
68 int fds[2];
69 if (pipe (pipedes: fds) != 0)
70 {
71 puts (s: "pipe failed");
72 return 1;
73 }
74
75 char buf[42];
76 struct aiocb req;
77 req.aio_fildes = fds[0];
78 req.aio_lio_opcode = LIO_READ;
79 req.aio_reqprio = 0;
80 req.aio_offset = 0;
81 req.aio_buf = buf;
82 req.aio_nbytes = sizeof (buf);
83 req.aio_sigevent.sigev_notify = SIGEV_NONE;
84
85 pthread_t th;
86 if (pthread_create (newthread: &th, NULL, start_routine: tf, NULL) != 0)
87 {
88 puts (s: "create failed");
89 return 1;
90 }
91
92 int e = pthread_barrier_wait (barrier: &b);
93 if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
94 {
95 puts (s: "parent: barrier_wait failed");
96 exit (1);
97 }
98
99 struct aiocb *list[1];
100 list[0] = &req;
101
102 e = lio_listio (LIO_WAIT, list: list, nent: 1, NULL);
103 if (e != -1)
104 {
105 puts (s: "lio_listio succeeded");
106 return 1;
107 }
108 if (errno != EINTR)
109 {
110 printf (format: "lio_listio did not return EINTR: %d (%d = %m)\n", e, errno);
111 return 1;
112 }
113
114 return 0;
115}
116
117#define TEST_FUNCTION do_test ()
118#include "../test-skeleton.c"
119

source code of glibc/rt/tst-aio10.c