1. A method of facilitating processing in a computing environment, said method comprising: providing by a first program to a second program a warning track facility installed indication indicating installation of a warning track facility within the computing environment, the indication of installation to be obtained by the second program, and the warning track facility to provide to the second program a grace period to perform a first function; obtaining, by the first program based on the providing, an unsolicited indication that the second program has registered for the warning track facility, the registration comprising an indication to the first program that second program understands a warning track facility protocol of the warning track facility and intends to participate in the warning track facility, the warning track facility protocol comprising an agreement between the first program and the second program that the second program understands it is to be given the grace period and notification that the grace period has begun; enabling, based on obtaining the indication that the second program has registered, the warning track facility for the second program; providing by the first program to the second program a warning track notification to notify the second program of the grace period in which to initiate the first function; and performing by the first program a second function subsequent to the grace period.