Changes

# A process tree has been read from a file.

# A process tree has been read from a file.

# Every process started with saved (i.e. original) '''$pid''' via <code>clone()</code> call with new <code>CLONE_CHILD_USEPID</code> flag.

# Every process started with saved (i.e. original) '''$pid''' via <code>clone()</code> call.

# Files and pipes are restored (by restored it's meant - they are opened and positioned).

# Files and pipes are restored (by restored it's meant - they are opened and positioned).

# A new file generated. The file has an Elf format but with modified executable and program header types (telling the kernel that this particular file is not a regular Elf'oid but rather the kernel is to handle it in a slightly different way).

# A new memory map is created, filled with data the program had at checkpoint time.

# Finally execve with new Elf file as an argument is executed, which initiate the kernel's stage of restore procedure.

# Finally the program is kicked to start with rt_sigreturn system call.

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