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      1 /*	$NetBSD: thread-stub-init.c,v 1.2 2013/08/19 22:14:37 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2003, 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 #if defined(LIBC_SCCS) && !defined(lint)
     34 __RCSID("$NetBSD: thread-stub-init.c,v 1.2 2013/08/19 22:14:37 matt Exp $");
     35 #endif /* LIBC_SCCS and not lint */
     36 
     37 #ifdef _REENTRANT
     38 #define __LIBC_THREAD_STUBS
     39 #include "reentrant.h"
     40 #include <signal.h>
     41 
     42 /* libpthread init */
     43 
     44 __weak_alias(__libc_thr_init,__libc_thr_init_stub)
     45 
     46 void __section(".text.startup")
     47 __libc_thr_init_stub(void)
     48 {
     49 
     50 	/* nothing, may be overridden by libpthread */
     51 }
     52 
     53 #define DIE()   (void)raise(SIGABRT)
     54 
     55 __weak_alias(__libc_thr_errno,__libc_thr_errno_stub)
     56 int *
     57 __libc_thr_errno_stub(void)
     58 {
     59 	DIE();
     60 
     61 	return (NULL);
     62 }
     63 #endif /* _REENTRANT */
     64