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diff --git a/include/base/eventhandler.h b/include/base/eventhandler.h
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+/** BEGIN COPYRIGHT BLOCK
+ * Copyright 2001 Sun Microsystems, Inc.
+ * Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
+ * All rights reserved.
+ * END COPYRIGHT BLOCK **/
+/*
+ * eventhandler.h: Handle registration of event handlers
+ *
+ * This is a facility in the NT server to provide a way to register event
+ * handling functions. Often there is a need to send a control signal of some
+ * kind to the server. This could be a signal for the server to rotate its
+ * logs, or a signal to collect and return statistical information of some kind
+ * such as perfmon stats.
+ * 
+ * This file specifies the structures and functions necessary to set up this
+ * kind of asynchronous special event handling.
+ * 
+ * Aruna Victor 2/21/96
+ */
+
+#ifndef EVENTHANDLER_H
+#define EVENTHANDLER_H
+
+#include "netsite.h"
+
+/* ------------------------------ Structures ------------------------------ */
+
+/* EVENT_HANDLER specifies
+    1. The name of the event. This is the event that the event handler will
+       create and wait on for a signal.
+    2. The name of the function should be called to handle the event.
+    3. The argument that should be passed to this function.
+    4. The next EVENT_HANDLER on the list this structure is on. */
+
+typedef struct event_handler {
+	int event_number;
+    char *event_name;
+    void (*_event_handler)(void *);
+    void *argument;
+    struct event_handler *next;
+} EVENT_HANDLER;
+
+/* ------------------------------ Prototypes ------------------------------ */
+
+NSPR_BEGIN_EXTERN_C
+
+char *initialize_event_handler(char *serverid);
+
+char *terminate_event_handler();
+
+char *add_handler(char *event, void (*fn)(void *), void *arg);
+
+char *delete_handler(char *event);
+
+char *add_rotation_handler(char *event, void (*fn)(void *), void *arg);
+
+NSPR_END_EXTERN_C
+
+#endif /* !EVENTHANDLER	 */
+
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