1. For a computer system having a operating system providing an inter-process communications (IPC) mechanism for communicating file-descriptors between processes executing on said computer system and providing a file table to each of said processes for maintaining a limited number of file-descriptors, a method for optimizing usage of a one of said file tables comprising: storing in said file table IPC file-descriptors for an instance of said IPC mechanism, said instance of said IPC mechanism storing a plurality of file-descriptors to be maintained by said file table.