SoMemoryError(3) on Linux
The text 28c0e82caf55, as Debian 6.0 (Squeeze) shipped it.
The SoMemoryError class is used to inform of problems with memory allocation. Modern operating systems takes care of handling most out of memory conditions for you, but in certain situations it can be wise to do some manual checking and intervention. This class is provided as an aid to help out in these situations.