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diff --git a/include/sitecing/process_manager.h b/include/sitecing/process_manager.h
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+#ifndef __SITECING_PROCESS_MANAGER_H
+#define __SITECING_PROCESS_MANAGER_H
+
+#include <sitecing/scoreboard.h>
+
+/**
+ * @file
+ * @brief the process manager.
+ */
+
+namespace sitecing {
+
+    /**
+     * The process manager.
+     */
+    class process_manager {
+	public:
+	    /**
+	     * Minimum number of child processes.
+	     */
+	    int min_children;
+	    /**
+	     * Maxinum number of child processes.
+	     */
+	    int max_children;
+	    /**
+	     * Minimum number of spare child processes.
+	     */
+	    int min_spare_children;
+	    /**
+	     * Maxiumum number of spare child processes.
+	     */
+	    int max_spare_children;
+	    /**
+	     * The scoreboard.
+	     */
+	    scoreboard sboard;
+	    /**
+	     * We're in the process of shutting down.
+	     */
+	    bool finishing;
+	    /**
+	     * @todo TODO: wish I could rememer -- document me.
+	     */
+	    bool die_humbly;
+
+	    process_manager();
+	    virtual ~process_manager();
+
+	    /**
+	     * The main loop.
+	     */
+	    void manage();
+
+	    /**
+	     * The worker function.
+	     * @param the slot allocated for the process.
+	     */
+	    virtual void process(int slot) = 0;
+
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    void manage_children();
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    bool spawn_children();
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    bool kill_children();
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    void spawn_child();
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    void wait_for_children(bool hang=false);
+	    /**
+	     * @todo TODO: wish I could remember -- document me.
+	     */
+	    void collect_dead_souls(bool actively=false);
+    };
+
+}
+
+#endif /* __SITECING_PROCESS_MANAGER_H */