/*
 * Copyright (c) 2004, Bull SA. All rights reserved.
 * Created by:  Laurent.Vivier@bull.net
 * This file is licensed under the GPL license.  For the full content
 * of this license, see the COPYING file at the top level of this
 * source tree.
 */

#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <aio.h>
#include <time.h>

#include "posixtest.h"
#include "tempfile.h"

#define TNAME "aio_fsync/5-1.c"

#define BUF_SIZE 1024

int main(void)
{
	char tmpfname[PATH_MAX];
	char buf[BUF_SIZE];
	int fd;
	struct aiocb aiocb_write;
	struct aiocb aiocb_fsync;
	int ret, err;
	struct timespec completion_wait_ts = {0, 10000000};

	if (sysconf(_SC_ASYNCHRONOUS_IO) < 200112L)
		return PTS_UNSUPPORTED;

	PTS_GET_TMP_FILENAME(tmpfname, "pts_aio_fsync_5_1");
	unlink(tmpfname);
	fd = open(tmpfname, O_CREAT | O_RDWR | O_EXCL, S_IRUSR | S_IWUSR);
	if (fd == -1) {
		printf(TNAME " Error at open(): %s\n", strerror(errno));
		exit(PTS_UNRESOLVED);
	}

	unlink(tmpfname);

	memset(&aiocb_write, 0, sizeof(aiocb_write));
	aiocb_write.aio_fildes = fd;
	aiocb_write.aio_buf = buf;
	aiocb_write.aio_nbytes = BUF_SIZE;

	if (aio_write(&aiocb_write) == -1) {
		printf(TNAME " Error at aio_write(): %s\n", strerror(errno));
		exit(PTS_FAIL);
	}

	memset(&aiocb_fsync, 0, sizeof(aiocb_fsync));
	aiocb_fsync.aio_fildes = fd;

	if (aio_fsync(O_SYNC, &aiocb_fsync) != 0) {
		printf(TNAME " Error at aio_fsync(): %s\n", strerror(errno));
		exit(PTS_FAIL);
	}

	ret = PTS_UNTESTED;
	if (aio_error(&aiocb_fsync) == EINPROGRESS)
		ret = PTS_PASS;

	/* allow to check if aio_error() move from EINPROGRESS to
	 * something else otherwise test hangs
	 */
	do {
		nanosleep(&completion_wait_ts, NULL);
		err = aio_error(&aiocb_fsync);
	} while (err == EINPROGRESS);
	if (err < 0) {
		printf(TNAME " Error at aio_error() : %s\n", strerror(ret));
		exit(PTS_FAIL);
	}

	close(fd);

	/* we didn't check if the operation is really performed */
	if (ret == PTS_PASS)
		printf("Test PASSED\n");

	return ret;
}