glibc/rt/tst-aio3.c

90 lines
2.1 KiB
C
Raw Normal View History

/* Test for notification mechanism in lio_listio.
Copyright (C) 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <aio.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int flag;
void
thrfct (sigval_t arg)
{
flag = 1;
}
int
do_test (int argc, char *argv[])
{
char name[] = "/tmp/aio3.XXXXXX";
int fd;
struct aiocb *arr[1];
struct aiocb cb;
static const char buf[] = "Hello World\n";
fd = mkstemp (name);
if (fd == -1)
{
printf ("cannot open temp name: %m\n");
return 1;
}
unlink (name);
arr[0] = &cb;
cb.aio_fildes = fd;
cb.aio_lio_opcode = LIO_WRITE;
cb.aio_reqprio = 0;
cb.aio_buf = (void *) buf;
cb.aio_nbytes = sizeof (buf) - 1;
cb.aio_sigevent.sigev_notify = SIGEV_THREAD;
cb.aio_sigevent.sigev_notify_function = thrfct;
cb.aio_sigevent.sigev_notify_attributes = NULL;
cb.aio_sigevent.sigev_value.sival_ptr = NULL;
if (lio_listio (LIO_NOWAIT, arr, 1, NULL) < 0)
{
printf ("lio_listio failed: %m\n");
return 1;
}
if (aio_suspend ((const struct aiocb *const *) arr, 1, NULL) < 0)
{
printf ("aio_suspend failed: %m\n");
return 1;
}
if (flag != 0)
{
puts ("thread created, should not have happened");
return 1;
}
puts ("all OK");
return 0;
}
#include "../test-skeleton.c"