const syscall.O_CLOEXEC

3 uses

	syscall (current package)
		zerrors_darwin_arm64.go#L740: 	O_CLOEXEC                         = 0x1000000

	os
		file_unix.go#L216: 		r, e = syscall.Open(name, flag|syscall.O_CLOEXEC, syscallMode(perm))
		removeall_at.go#L174: 		r, e = unix.Openat(dirfd, name, O_RDONLY|syscall.O_CLOEXEC, 0)