find a GID within the specified range which is not used by any process
gidd_alloc min-gid max-gid
This program will scan the alive PIDs, looking for which GID is unused in the supplied, inclusive range specified by the required arguments min-gid and max-gid. Upon finding one, it will add the GID to its own supplementary group list, and then scan the PIDs again expecting to find only itself using the GID. If no collision has occurred, the program exits, otherwise it retries.
This is a program only available for the Linux ports of HTCondor.
gidd_alloc will exit with a status value of 0 (zero) upon success, and it will exit with the value 1 (one) upon failure.
Center for High Throughput Computing, University of Wisconsin–Madison
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