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
func3(void * rv,void * cb_data,va_list ap)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
func2(void * rv,void * cb_data,va_list ap)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
func1(void)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 *
thrfunc(void * arg)95 thrfunc(void *arg)
96 {
97 pthread_exit(NULL);
98 }
99
100 int
main(int argc,char * argv[])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