1 files changed, 85 insertions, 0 deletions
diff --git a/lib/isc/lib.c b/lib/isc/lib.c
new file mode 100644
index 0000000..848ed58
--- /dev/null
+++ b/lib/isc/lib.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <isc/bind9.h>
+#include <isc/iterated_hash.h>
+#include <isc/lib.h>
+#include <isc/mem.h>
+#include <isc/util.h>
+
+#include "config.h"
+#include "mem_p.h"
+#include "tls_p.h"
+#include "trampoline_p.h"
+
+#ifndef ISC_CONSTRUCTOR
+#error Either __attribute__((constructor|destructor))__ or DllMain support needed to compile BIND 9.
+#endif
+
+/***
+ *** Functions
+ ***/
+
+void
+isc_lib_register(void) {
+	isc_bind9 = false;
+}
+
+#ifdef WIN32
+int
+isc_lib_ntservice(int(WINAPI *mainfunc)(int argc, char *argv[]), int argc,
+		  char *argv[]) {
+	isc__trampoline_t *trampoline = isc__trampoline_get(NULL, NULL);
+	int r;
+
+	isc__trampoline_attach(trampoline);
+
+	r = mainfunc(argc, argv);
+
+	isc__trampoline_detach(trampoline);
+
+	return (r);
+}
+#endif /* ifdef WIN32 */
+
+void
+isc__initialize(void) ISC_CONSTRUCTOR;
+void
+isc__shutdown(void) ISC_DESTRUCTOR;
+
+void
+isc__initialize(void) {
+	isc__mem_initialize();
+	isc__tls_initialize();
+	isc__trampoline_initialize();
+}
+
+void
+isc__shutdown(void) {
+	isc__trampoline_shutdown();
+	isc__tls_shutdown();
+	isc__mem_shutdown();
+}
+
+/*
+ * This is a workaround for situation when libisc is statically linked.  Under
+ * normal situation, the linker throws out all symbols from compilation unit
+ * when no symbols are used in the final binary.  This empty function must be
+ * called at least once from different compilation unit (mem.c in this case).
+ */
+void
+isc_enable_constructors() {
+	/* do nothing */
+}