const syscall.FD_CLOEXEC

2 uses

	syscall (current package)
		exec_unix.go#L104: func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) }
		zerrors_linux_amd64.go#L264: 	FD_CLOEXEC                       = 0x1