Loop if lock was not present on blocking calls
Loop if lock was not present on blocking calls

[#81906846]

simonjjones/atc,zachgersh/atc,savaki/atc,pivotal-devin-fallak/atc,pivotal-devin-fallak/atc,utako/atc,utako/atc,zachgersh/atc,savaki/atc,simonjjones/atc,utako/atc,pivotal-devin-fallak/atc,simonjjones/atc,savaki/atc,zachgersh/atc,zachgersh/atc