/* aio-io_detroy.c
 *	gcc -Wall -g -o aio-io_destroy aio-io_destroy.c -laio
 */
#define _GNU_SOURCE	1
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <libaio.h>
#include <unistd.h>

io_context_t ctx = 0;

int main (int argc, char *argv[])
{
	struct io_event event;
	struct timespec ts;
	char *file = NULL;
	int events = 64; //65536
	unsigned i;
	int err;

	err = io_setup(events, &ctx);
	if (err) {
		fprintf(stderr, "io_setup(): %d => %s\n", err, strerror(-err));
		return 2;
	}

	ts.tv_sec = -1L;
	ts.tv_nsec = 0;
	err = io_getevents(ctx, 1, 1, &event, &ts);
	if (err) {
		fprintf(stderr, "first io_destroy(): %d => %s\n", err, strerror(-err));
	}

	ts.tv_sec = 0;
	ts.tv_nsec = -1L;
	err = io_getevents(ctx, 1, 1, &event, &ts);
	if (err) {
		fprintf(stderr, "second io_destroy(): %d => %s\n", err, strerror(-err));
	}

	ts.tv_sec = 0;
	ts.tv_nsec = 1000000000;
	err = io_getevents(ctx, 1, 1, &event, &ts);
	if (err) {
		fprintf(stderr, "third io_destroy(): %d => %s\n", err, strerror(-err));
	}

	ts.tv_sec = (1LL << 63) - 1;
	ts.tv_nsec = 0;
	err = io_getevents(ctx, 1, 1, &event, &ts);
	if (err) {
		fprintf(stderr, "fourth io_destroy(): %d => %s\n", err, strerror(-err));
	}
	return 0;
}