Hello, Last week I was working on adding kqueue support to the checkpointing code. Kqueues are used by vkernels and I decided that it would be much better if the checkpointing code could save and restore them instead of doing it explicitly in the vkernel's signal handler.
Since all information needed to restore open files are stored in NT_DRAGONFLY_FILES note and kqueue may have numerous registered events it is much harder to determine the actual size of the note using just number of opened files. In order to deal with that I made function elf_getnote() able to read ELF notes of unknown size. This will be also useful when reading notes such as NT_PRPSINFO and NT_PRSTATUS which has version information. Kqueue information in NT_DRAGONFLY_FILES contains the standard file descriptor data such as flags, index and type and kqueue specific information: all registered kevents. Paweł
