tests/lib/libc/net/h_nsd_recurse.c

   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 }