#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>

#define TNAME "aio_write/1-1.c"

int main() {
  char tmpfname[256];
  #define BUF_SIZE 512512
  char buf[BUF_SIZE];
  char check[BUF_SIZE+1];
  int fd;
  struct aiocb aiocb;
  int err;
  int ret;

  snprintf(tmpfname, sizeof(tmpfname), "pts_aio_write_1_1_%d", getpid());
  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(1);
  }

  unlink(tmpfname);

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

  if (aio_write(&aiocb) == -1) {
    printf(TNAME " Error at aio_write(): %s\n", strerror(errno));
    close(fd);
    exit(2);
  }

  int cancellationStatus = aio_cancel(fd, &aiocb);
  printf (TNAME " cancelationStatus : %d\n", cancellationStatus);

  /* Wait until completion */
  while (aio_error (&aiocb) == EINPROGRESS);

  close(fd);
  printf ("Test PASSED\n");
  return 0;
}