SYS_GETSOCKOPT             = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                  = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                 = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY           = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, caddr_t val, int *avalsize); }
	SYS_READV                    = 120 // { int readv(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_WRITEV                   = 121 // { int writev(int fd, struct iovec *iovp, u_int iovcnt); }
	SYS_SETTIMEOFDAY             = 122 // { int settimeofday(struct timeval *tv, struct timezone *tzp); }

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 {