#include "io.h"
#include "array.h"
#include "haveepoll.h"
#include "havekqueue.h"

typedef struct {
  unsigned int wantread:1;
  unsigned int wantwrite:1;
  unsigned int canread:1;
  unsigned int canwrite:1;
  unsigned int nonblock:1;
  unsigned int inuse:1;
  tai6464 timeout;
  long next_read;
  long next_write;
  void* cookie;
} io_entry;

array io_fds;
uint64 io_wanted_fds;
array io_pollfds;

unsigned long first_readable;
unsigned long first_writeable;

enum {
  UNDECIDED,
  POLL
#ifdef HAVE_KQUEUE
  ,KQUEUE
#endif
#ifdef HAVE_EPOLL
  ,EPOLL
#endif
} io_waitmode;

#if defined(HAVE_KQUEUE) || defined(HAVE_EPOLL)
int io_master;
#endif

int64 io_waituntil2(int64 milliseconds);