const syscall.F_DUPFD_CLOEXEC

3 uses

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

	internal/poll
		fd_unix.go#L652: 	if syscall.F_DUPFD_CLOEXEC != 0 && !dupCloexecUnsupported.Load() {
		fd_unix.go#L653: 		r0, err := unix.Fcntl(fd, syscall.F_DUPFD_CLOEXEC, 0)

The pages are generated with Golds v0.6.7. (GOOS=linux GOARCH=amd64)
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