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#include <aio.h>
#include <errno.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#include <unistd.h>
static pthread_barrier_t b;
static pthread_t main_thread;
static int flag;
static void *
tf (void *arg)
{
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("child: barrier_wait failed");
exit (1);
}
/* There is unfortunately no other way to try to make sure the other
thread reached the aio_suspend call. This test could fail on
highly loaded machines. */
sleep (2);
pthread_kill (main_thread, SIGUSR1);
while (1)
sleep (1000);
return NULL;
}
static void
sh (int sig)
{
flag = 1;
}
static int
do_test (void)
{
main_thread = pthread_self ();
struct sigaction sa;
sa.sa_handler = sh;
sa.sa_flags = 0;
sigemptyset (&sa.sa_mask);
if (sigaction (SIGUSR1, &sa, NULL) != 0)
{
puts ("sigaction failed");
return 1;
}
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init");
return 1;
}
int fds[2];
if (pipe (fds) != 0)
{
puts ("pipe failed");
return 1;
}
char buf[42];
struct aiocb req;
req.aio_fildes = fds[0];
req.aio_reqprio = 0;
req.aio_offset = 0;
req.aio_buf = buf;
req.aio_nbytes = sizeof (buf);
req.aio_sigevent.sigev_notify = SIGEV_NONE;
if (aio_read (&req) != 0)
{
puts ("aio_read failed");
return 1;
}
pthread_t th;
if (pthread_create (&th, NULL, tf, NULL) != 0)
{
puts ("create failed");
return 1;
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
puts ("parent: barrier_wait failed");
exit (1);
}
const struct aiocb *list[1];
list[0] = &req;
e = aio_suspend (list, 1, NULL);
if (e != -1)
{
puts ("aio_suspend succeeded");
return 1;
}
if (errno != EINTR)
{
puts ("aio_suspend did not return EINTR");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
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