echo "+++ ${basename_tar} uploaded (sha512 = ${hash})"
}


# Given the cluster zone, return the list of regional GCS release
# bucket suffixes for the release in preference order. GCS doesn't
# give us an API for this, so we hardcode it.
#
# Assumed vars:
#   RELEASE_REGION_FALLBACK
#   REGIONAL_KUBE_ADDONS
#   ZONE
# Vars set:
#   PREFERRED_REGION

	// possible here.
	//
	// We don't want to just allow us to get preempted between now
	// and releasing the semaphore because then we keep everyone
	// (including, for example, GCs) waiting longer.
	mp := acquirem()
	mp.preemptoff = ""
	semrelease1(&worldsema, true, 0)
	releasem(mp)
}

// stopTheWorldGC has the same effect as stopTheWorld, but blocks