const syscall.F_DUPFD_CLOEXEC

4 uses

	syscall (current package)
		zerrors_linux_amd64.go#L245: 	F_DUPFD_CLOEXEC                  = 0x406

	internal/poll
		fd_unix.go#L661: 	if syscall.F_DUPFD_CLOEXEC != 0 && !dupCloexecUnsupported.Load() {
		fd_unix.go#L662: 		r0, err := unix.Fcntl(fd, syscall.F_DUPFD_CLOEXEC, 0)

	os
		pidfd_linux.go#L60: 		dupH, e := unix.Fcntl(h, syscall.F_DUPFD_CLOEXEC, 0)