_EV_CLEAR     = 0x20
	_EV_RECEIPT   = 0x40
	_EV_ERROR     = 0x4000
	_EV_EOF       = 0x8000
	_EVFILT_READ  = -0x1
	_EVFILT_WRITE = -0x2
	_EVFILT_USER  = -0xa

	_NOTE_TRIGGER = 0x1000000

	_PTHREAD_CREATE_DETACHED = 0x2

	_PTHREAD_KEYS_MAX = 512

	_F_GETFL = 0x3
	_F_SETFL = 0x4

	_O_WRONLY   = 0x1
	_O_NONBLOCK = 0x4
	_O_CREAT    = 0x200
	_O_TRUNC    = 0x400

	_O_WRONLY   = 0x1
	_O_NONBLOCK = 0x4
	_O_CREAT    = 0x200
	_O_TRUNC    = 0x400
	_O_CLOEXEC  = 0x100000

	_PROT_NONE  = 0x0
	_PROT_READ  = 0x1
	_PROT_WRITE = 0x2
	_PROT_EXEC  = 0x4

	_MAP_ANON    = 0x1000
	_MAP_SHARED  = 0x1
	_MAP_PRIVATE = 0x2
	_MAP_FIXED   = 0x10

	_MADV_DONTNEED = 0x4
	_MADV_FREE     = 0x5

	_SA_SIGINFO = 0x40
	_SA_RESTART = 0x2
	_SA_ONSTACK = 0x1

}

type PollFd struct {
	Fd      int32
	Events  uint16
	Revents uint16
}

const (
	POLLERR    = 0x4000
	POLLHUP    = 0x2000
	POLLIN     = 0x1
	POLLNVAL   = 0x8000
	POLLOUT    = 0x2
	POLLPRI    = 0x4
	POLLRDBAND = 0x20
	POLLRDNORM = 0x10
	POLLWRBAND = 0x40
	POLLWRNORM = 0x2
)

type Flock_t struct {
	Type   int16
	Whence int16
	Sysid  uint32
	Pid    int32

	Cur uint64
	Max uint64
}

type _Gid_t uint32

const (
	S_IFMT   = 0xf000
	S_IFIFO  = 0x1000
	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWUSR  = 0x80
	S_IXUSR  = 0x40
	S_IRWXG  = 0x38
	S_IRWXO  = 0x7
)

type Stat_t struct {

}

type PollFd struct {
	Fd      int32
	Events  uint16
	Revents uint16
}

const (
	POLLERR    = 0x4000
	POLLHUP    = 0x2000
	POLLIN     = 0x1
	POLLNVAL   = 0x8000
	POLLOUT    = 0x2
	POLLPRI    = 0x4
	POLLRDBAND = 0x20
	POLLRDNORM = 0x10
	POLLWRBAND = 0x40
	POLLWRNORM = 0x2
)

type Flock_t struct {
	Type   int16
	Whence int16
	Sysid  uint32
	Pid    int32

	_EV_CLEAR     = 0x20
	_EV_RECEIPT   = 0x40
	_EV_ERROR     = 0x4000
	_EV_EOF       = 0x8000
	_EVFILT_READ  = -0x1
	_EVFILT_WRITE = -0x2
	_EVFILT_USER  = -0xa

	_NOTE_TRIGGER = 0x1000000

	_PTHREAD_CREATE_DETACHED = 0x2

	_F_GETFL = 0x3
	_F_SETFL = 0x4

	_O_WRONLY   = 0x1
	_O_NONBLOCK = 0x4
	_O_CREAT    = 0x200
	_O_TRUNC    = 0x400

	_VM_REGION_BASIC_INFO_COUNT_64 = 0x9

	Cur uint64
	Max uint64
}

type _Gid_t uint32

const (
	S_IFMT   = 0xf000
	S_IFIFO  = 0x1000
	S_IFCHR  = 0x2000
	S_IFDIR  = 0x4000
	S_IFBLK  = 0x6000
	S_IFREG  = 0x8000
	S_IFLNK  = 0xa000
	S_IFSOCK = 0xc000
	S_ISUID  = 0x800
	S_ISGID  = 0x400
	S_ISVTX  = 0x200
	S_IRUSR  = 0x100
	S_IWUSR  = 0x80
	S_IXUSR  = 0x40
	S_IRWXG  = 0x38
	S_IRWXO  = 0x7
)

type Stat_t struct {

#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <sched.h>
#include <pthread.h>

#include "libgo4.h"

#ifdef _AIX
// On AIX, CSIGSTKSZ is too small to handle Go sighandler.
#define CSIGSTKSZ 0x4000
#else
#define CSIGSTKSZ SIGSTKSZ
#endif

static void die(const char* msg) {
	perror(msg);
	exit(EXIT_FAILURE);
}

static int ok = 1;

static void ioHandler(int signo, siginfo_t* info, void* ctxt) {

  @JvmField
  val CONNECTION_PREFACE = "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n".encodeUtf8()

  /** The initial max frame size, applied independently writing to, or reading from the peer. */
  const val INITIAL_MAX_FRAME_SIZE = 0x4000 // 16384

  const val TYPE_DATA = 0x0
  const val TYPE_HEADERS = 0x1
  const val TYPE_PRIORITY = 0x2
  const val TYPE_RST_STREAM = 0x3
  const val TYPE_SETTINGS = 0x4
  const val TYPE_PUSH_PROMISE = 0x5

}

// pollfd represents the poll structure for AIX operating system.
type pollfd struct {
	fd      int32
	events  int16
	revents int16
}

const _POLLIN = 0x0001
const _POLLOUT = 0x0002
const _POLLHUP = 0x2000
const _POLLERR = 0x4000

var (
	pfds           []pollfd
	pds            []*pollDesc
	mtxpoll        mutex
	mtxset         mutex
	rdwake         int32
	wrwake         int32