Home | History | Annotate | Line # | Download | only in net 
      1 /*	$NetBSD: h_nsd_recurse.c,v 1.3 2020/06/01 01:03:21 kamil Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2008 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 __COPYRIGHT("@(#) Copyright (c) 2008\
     34  The NetBSD Foundation, inc. All rights reserved.");
     35 __RCSID("$NetBSD: h_nsd_recurse.c,v 1.3 2020/06/01 01:03:21 kamil Exp $");
     36 
     37 #ifndef	_REENTRANT
     38 #define	_REENTRANT
     39 #endif
     40 
     41 #include <assert.h>
     42 #include <nsswitch.h>
     43 #include <pthread.h>
     44 #include <stdarg.h>
     45 #include <stdio.h>
     46 #include <stdlib.h>
     47 
     48 static const ns_src testsrc[] = {
     49 	{ "test",	NS_SUCCESS },
     50 	{ NULL, 0 }
     51 };
     52 
     53 static int
     54 func3(void *rv, void *cb_data, va_list ap)
     55 {
     56 	(void)printf("func3: enter\n");
     57 	(void)printf("func3: exit\n");
     58 
     59 	return NS_SUCCESS;
     60 }
     61 
     62 static int
     63 func2(void *rv, void *cb_data, va_list ap)
     64 {
     65 	static const ns_dtab dtab[] = {
     66 		{ "test",	func3,		NULL },
     67 		{ NULL, NULL, NULL }
     68 	};
     69 	int r;
     70 
     71 	(void)printf("func2: enter\n");
     72 	r = nsdispatch(NULL, dtab, "test", "test", testsrc);
     73 	(void)printf("func2: exit\n");
     74 
     75 	return r;
     76 }
     77 
     78 static int
     79 func1(void)
     80 {
     81 	static const ns_dtab dtab[] = {
     82 		{ "test",	func2,		NULL },
     83 		{ NULL, NULL, NULL }
     84 	};
     85 	int r;
     86 
     87 	(void)printf("func1: enter\n");
     88 	r = nsdispatch(NULL, dtab, "test", "test", testsrc);
     89 	(void)printf("func1: exit\n");
     90 
     91 	return r;
     92 }
     93 
     94 static void *
     95 thrfunc(void *arg)
     96 {
     97 	pthread_exit(NULL);
     98 }
     99 
    100 int
    101 main(int argc, char *argv[])
    102 {
    103 	pthread_t thr;
    104 	void *threval;
    105 
    106 	assert(pthread_create(&thr, NULL, thrfunc, NULL) == 0);
    107 	assert(func1() == NS_SUCCESS);
    108 	assert(pthread_join(thr, &threval) == 0);
    109 }
    110