SYS__LLSEEK                 = 140
	SYS_GETDENTS                = 141
	SYS__NEWSELECT              = 142
	SYS_FLOCK                   = 143
	SYS_MSYNC                   = 144
	SYS_READV                   = 145
	SYS_WRITEV                  = 146
	SYS_GETSID                  = 147
	SYS_FDATASYNC               = 148
	SYS__SYSCTL                 = 149
	SYS_MLOCK                   = 150
	SYS_MUNLOCK                 = 151

	SYS_GETDENTS                     = 141
	SYS__NEWSELECT                   = 142
	SYS_FLOCK                        = 143
	SYS_MSYNC                        = 144
	SYS_READV                        = 145
	SYS_WRITEV                       = 146
	SYS_GETSID                       = 147
	SYS_FDATASYNC                    = 148
	SYS__SYSCTL                      = 149
	SYS_MLOCK                        = 150

	SYS_GETDENTS                     = 4141
	SYS__NEWSELECT                   = 4142
	SYS_FLOCK                        = 4143
	SYS_MSYNC                        = 4144
	SYS_READV                        = 4145
	SYS_WRITEV                       = 4146
	SYS_CACHEFLUSH                   = 4147
	SYS_CACHECTL                     = 4148
	SYS_SYSMIPS                      = 4149
	SYS_UNUSED150                    = 4150

	SYS_GETDENTS                     = 141
	SYS__NEWSELECT                   = 142
	SYS_FLOCK                        = 143
	SYS_MSYNC                        = 144
	SYS_READV                        = 145
	SYS_WRITEV                       = 146
	SYS_GETSID                       = 147
	SYS_FDATASYNC                    = 148
	SYS__SYSCTL                      = 149
	SYS_MLOCK                        = 150

	SYS_GETDENTS                     = 141
	SYS__NEWSELECT                   = 142
	SYS_FLOCK                        = 143
	SYS_MSYNC                        = 144
	SYS_READV                        = 145
	SYS_WRITEV                       = 146
	SYS_GETSID                       = 147
	SYS_FDATASYNC                    = 148
	SYS__SYSCTL                      = 149
	SYS_MLOCK                        = 150

func writev(fd int, iovs []Iovec) (n int, err error) {
	var _p0 unsafe.Pointer
	if len(iovs) > 0 {
		_p0 = unsafe.Pointer(&iovs[0])
	} else {
		_p0 = unsafe.Pointer(&_zero)
	}
	r0, _, e1 := Syscall(SYS_WRITEV, uintptr(fd), uintptr(_p0), uintptr(len(iovs)))
	n = int(r0)
	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

	SYS_SETSOCKOPT                      = 0x365 // 869
	SYS_SHUTDOWN                        = 0x366 // 870
	SYS_SOCKET                          = 0x367 // 871
	SYS_SOCKETPAIR                      = 0x368 // 872
	SYS_WRITEV                          = 0x369 // 873
	SYS_CHROOT                          = 0x36A // 874
	SYS_W_STATVFS                       = 0x36B // 875
	SYS_ULIMIT                          = 0x36C // 876

//sys	readv(fd int, iovs []Iovec) (n int, err error) = SYS_READV
//sys	writev(fd int, iovs []Iovec) (n int, err error) = SYS_WRITEV
//sys	preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PREADV
//sys	pwritev(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PWRITEV
//sys	preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2

		// namespaces.
		if sys.Unshareflags&CLONE_NEWUSER == 0 {
			if err := writeUidGidMappings(pid, sys); err != nil {
				err2 = err.(Errno)
			}
		}
		RawSyscall(SYS_WRITE, uintptr(mapPipe[1]), uintptr(unsafe.Pointer(&err2)), unsafe.Sizeof(err2))
		Close(mapPipe[1])
	}

	return pid, 0
}

const _LINUX_CAPABILITY_VERSION_3 = 0x20080522

type capHeader struct {

			if int32(r1) == -1 {
				goto childerror
			}

			envfd = int(r1)

			r1, _, _ = RawSyscall6(SYS_PWRITE, uintptr(envfd), uintptr(unsafe.Pointer(envv[i].value)), uintptr(envv[i].nvalue),
				^uintptr(0), ^uintptr(0), 0)

			if int32(r1) == -1 || int(r1) != envv[i].nvalue {
				goto childerror
			}