const golang.org/x/sys/unix.CLONE_PARENT_SETTID

one use

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L765: 	CLONE_PARENT_SETTID                         = 0x100000

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)