Changes

| Need to prepare tasks

| Need to prepare tasks

| No

| No

| Yes. It preloadsthe DMTCP library. That library runs before the routinemain(). It creates a second thread. Thecheckpoint thread then creates a socket to the DMTCP coordinator andregisters itself. The checkpoint thread also creates a signal handler.

| Yes. It preloads the DMTCP library. That library runs before the routine main(). It creates a second thread. The checkpoint thread then creates a socket to the DMTCP coordinator and registers itself. The checkpoint thread also creates a signal handler.

| Yes. CR shall notify processes when a checkpoint is to occur (before the kernel takes a checkpoint) to allow the processes to prepare itself accordingly.

| Yes. CR shall notify processes when a checkpoint is to occur (before the kernel takes a checkpoint) to allow the processes to prepare itself accordingly.

| No

| No