VteReaper
VteReaper — A singleton object which catches SIGCHLD signals and converts them into
GObject-style "child-exited" signals.
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Description
Because an application may need to be notified when child processes
exit, and because there is only one SIGCHLD handler, the VteTerminal
widget relies on a VteReaper to watch for SIGCHLD notifications and
retrieve the exit status of child processes which have exited. When
glib provides child_watch functionality, the VteReaper merely acts as
a proxy for glib's own functionality.
