#include <libaio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

int main(int argc, char *argv[])
{
        int nr_events, nr_requests;
        int rc, i;
        io_context_t *ioctx;

        /* parameters */
        if (argc != 3) {
                printf("Usage: %s <nr_events> <nr_requests>\n", argv[0]);
                return 1;
        }

        nr_events = atoi(argv[1]);
        nr_requests = atoi(argv[2]);
        printf("nr_events: %d, nr_requests: %d\n", nr_events, nr_requests);

        /* init */
        if (!(ioctx = (io_context_t *) malloc(nr_requests * sizeof(io_context_t))))
                return 1;

        memset(ioctx, 0, nr_requests * sizeof(io_context_t));

        /* request(s) */
        for (i = 0; i < nr_requests; i++)
                if (rc = io_setup(nr_events, &ioctx[i]))
                        break;

        printf("rc = %d, i = %d\n", rc, i);
        sleep(10);

        /* clean-up */
        for (i--; i >= 0; i--)
                rc = io_destroy(ioctx[i]);

        return 0;
}