_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

	_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

}

// 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

package syscall

const (
	EPOLLIN       = 0x1
	EPOLLOUT      = 0x4
	EPOLLERR      = 0x8
	EPOLLHUP      = 0x10
	EPOLLRDHUP    = 0x2000
	EPOLLET       = 0x80000000
	EPOLL_CLOEXEC = 0x80000
	EPOLL_CTL_ADD = 0x1
	EPOLL_CTL_DEL = 0x2
	EPOLL_CTL_MOD = 0x3
	EFD_CLOEXEC   = 0x80000

//go:cgo_import_dynamic libc_openat openat "libc.so"
//go:cgo_import_dynamic libc_unlinkat unlinkat "libc.so"
//go:cgo_import_dynamic libc_uname uname "libc.so"

const (
	AT_REMOVEDIR        = 0x1
	AT_SYMLINK_NOFOLLOW = 0x1000

	UTIME_OMIT = -0x2

// TODO: auto-generate.

package unix

const (
	SizeofPtr      = 0x8
	SizeofShort    = 0x2
	SizeofInt      = 0x4
	SizeofLong     = 0x8
	SizeofLongLong = 0x8
	PathMax        = 0x1000
)

const (
	SizeofSockaddrAny   = 128
	SizeofCmsghdr       = 12
	SizeofIPMreq        = 8
	SizeofIPv6Mreq      = 20
	SizeofICMPv6Filter  = 32
	SizeofIPv6MTUInfo   = 32
	SizeofInet4Pktinfo  = 8