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      1 /*	$NetBSD: h_helper_recurdso2.c,v 1.1 2026/07/16 02:50:11 riastradh Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2026 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 __RCSID("$NetBSD: h_helper_recurdso2.c,v 1.1 2026/07/16 02:50:11 riastradh Exp $");
     31 
     32 #include <dlfcn.h>
     33 #include <stdbool.h>
     34 #include <stdlib.h>
     35 
     36 extern bool recurdso_initialized;
     37 extern bool recurdso_finalized;
     38 
     39 __attribute__((__constructor__))
     40 static void
     41 initrecurdso2(void)
     42 {
     43 
     44 	if (!recurdso_initialized)
     45 		abort();
     46 	if (recurdso_finalized)
     47 		abort();
     48 	__insn_barrier();
     49 }
     50 
     51 __attribute__((__destructor__))
     52 static void
     53 finirecursive2(void)
     54 {
     55 
     56 	if (!recurdso_initialized)
     57 		abort();
     58 	if (recurdso_finalized)
     59 		abort();
     60 	__insn_barrier();
     61 }
     62