Arguments

Returns

t on success, or nil if an error occurred.

Description

This function alters the security level on a point in the DataHub instance. If the current process security level is lower than the named point (symbol), then the function returns nil, otherwise it returns t. The initial security level for a process is 0.

Example

Gamma> init_ipc("spt","spq");
t
Gamma> secure_point(#d,5);
nil
Gamma> set_security(9);
0
Gamma> secure_point(#d,5);
t
Gamma> secure_point(#d,12);
nil
Gamma> set_security(15);
9
Gamma> secure_point(#d,12);
t
Gamma> 
		

See Also

point_security, set_security