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

3 uses

	golang.org/x/sys/unix (current package)
		syscall_unix.go#L396: 		flag |= O_NONBLOCK
		syscall_unix.go#L398: 		flag &= ^O_NONBLOCK
		zerrors_darwin_arm64.go#L1064: 	O_NONBLOCK                        = 0x4