"Disable Other Rules if this is active" Option / Flow Control

Hello,
I'd like to have an option (or an action) that can be checked inside a rule that prevents other rules to activate if an event occurs while the current rule is running. This could be useful, for example, when you edit a node inside a rule and you don't want the "After the update of existing content" rules to activate.

In general it would be nice to have more control over the rules flow, for example by being able to create (without using PHP code) variables that can be accessed by other rules. For example

Rule A
Actions
Set Rules Parameter can_continue = true

Rule B
Conditions
Data Compare: Rules Parameter can_continue=true