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diff --git a/external/unbound/winrc/win_svc.h b/external/unbound/winrc/win_svc.h
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+++ b/external/unbound/winrc/win_svc.h
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+/*
+ * winrc/win_svc.h - windows services API implementation for unbound
+ *
+ * Copyright (c) 2009, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file contains functions to integrate with the windows services API.
+ * This means it handles the commandline switches to install and remove
+ * the service (via CreateService and DeleteService), it handles
+ * the ServiceMain() main service entry point when started as a service,
+ * and it handles the Handler[_ex]() to process requests to the service
+ * (such as start and stop and status).
+ */
+
+#ifndef WINRC_WIN_SVC_H
+#define WINRC_WIN_SVC_H
+struct worker;
+
+/** service name for unbound (internal to ServiceManager) */
+#define SERVICE_NAME "unbound"
+
+/** from gen_msg.h - success message record for windows message log */
+#define MSG_GENERIC_SUCCESS              ((DWORD)0x20010001L)
+/** from gen_msg.h - informational message record for windows message log */
+#define MSG_GENERIC_INFO                 ((DWORD)0x60010002L)
+/** from gen_msg.h - warning message record for windows message log */
+#define MSG_GENERIC_WARN                 ((DWORD)0xA0010003L)
+/** from gen_msg.h - error message record for windows message log */
+#define MSG_GENERIC_ERR                  ((DWORD)0xE0010004L)
+
+/**
+ * Handle commandline service for windows.
+ * @param wopt: windows option string (install, remove, service). 
+ * @param cfgfile: configfile to open (default or passed with -c).
+ * @param v: amount of commandline verbosity added with -v.
+ * @param c: true if cfgfile was set by commandline -c option.
+ */
+void wsvc_command_option(const char* wopt, const char* cfgfile, int v, int c);
+
+/**
+ * Setup lead worker events.
+ * @param worker: the worker
+ */
+void wsvc_setup_worker(struct worker* worker);
+
+/**
+ * Desetup lead worker events.
+ * @param worker: the worker
+ */
+void wsvc_desetup_worker(struct worker* worker);
+
+/** windows worker stop event callback handler */
+void worker_win_stop_cb(int fd, short ev, void* arg);
+
+/** windows cron timer callback handler */
+void wsvc_cron_cb(void* arg);
+
+#endif /* WINRC_WIN_SVC_H */