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