1. A method of facilitating processing in a computing environment, said method comprising: providing by a first program to a second program an indication of installation of a warning track facility installed within the computing environment, the indication of installation to be obtained by the second program, 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 the second program understands a protocol of the warning track facility and intends to participate in the warning track facility; enabling based on obtaining he indication that the second program has registered, the warning track :facility for the second program; notifying the second program, by the first program, that the grace period has begun; and performing by the first program a second function subsequent to the grace period.