reg/vendor/github.com/docker/docker-ce/components/engine/pkg/reexec/README.md

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# reexec
The `reexec` package facilitates the busybox style reexec of the docker binary that we require because
of the forking limitations of using Go. Handlers can be registered with a name and the argv 0 of
the exec of the binary will be used to find and execute custom init paths.