1 /*	$NetBSD: h_nsd_recurse.c,v 1.2 2011/01/13 02:24:51 pgoyette 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 1.2 2011/01/13 02:24:51 pgoyette Exp $");
36 
37 #define	_REENTRANT
38 
39 #include <assert.h>
40 #include <nsswitch.h>
41 #include <pthread.h>
42 #include <stdarg.h>
43 #include <stdio.h>
44 #include <stdlib.h>
45 
46 static const ns_src testsrc[] = {
47 	{ "test",	NS_SUCCESS },
48 	{ NULL, 0 }
49 };
50 
51 static int
52 func3(void *rv, void *cb_data, va_list ap)
53 {
54 	(void)printf("func3: enter\n");
55 	(void)printf("func3: exit\n");
56 
57 	return NS_SUCCESS;
58 }
59 
60 static int
61 func2(void *rv, void *cb_data, va_list ap)
62 {
63 	static const ns_dtab dtab[] = {
64 		{ "test",	func3,		NULL },
65 		{ NULL, NULL, NULL }
66 	};
67 	int r;
68 
69 	(void)printf("func2: enter\n");
70 	r = nsdispatch(NULL, dtab, "test", "test", testsrc);
71 	(void)printf("func2: exit\n");
72 
73 	return r;
74 }
75 
76 static int
77 func1(void)
78 {
79 	static const ns_dtab dtab[] = {
80 		{ "test",	func2,		NULL },
81 		{ NULL, NULL, NULL }
82 	};
83 	int r;
84 
85 	(void)printf("func1: enter\n");
86 	r = nsdispatch(NULL, dtab, "test", "test", testsrc);
87 	(void)printf("func1: exit\n");
88 
89 	return r;
90 }
91 
92 static void *
93 thrfunc(void *arg)
94 {
95 	pthread_exit(NULL);
96 }
97 
98 int
99 main(int argc, char *argv[])
100 {
101 	pthread_t thr;
102 	void *threval;
103 
104 	assert(pthread_create(&thr, NULL, thrfunc, NULL) == 0);
105 	assert(func1() == NS_SUCCESS);
106 	assert(pthread_join(thr, &threval) == 0);
107 }
108