tests/lib/libpthread/h_atexit.c

   1 /* $NetBSD: h_atexit.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $ */
   2
   3 /*
   4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /*
  30  * Program to test atexit(3) and __cxa_atexit()/__cxa_finalize().
  31  *
  32  * Written by Jason R. Thorpe, February 2003.
  33  * Public domain.
  34  */
  35
  36 #include <sys/cdefs.h>
  37 __COPYRIGHT("@(#) Copyright (c) 2008\
  38  The NetBSD Foundation, inc. All rights reserved.");
  39 __RCSID("$NetBSD: h_atexit.c,v 1.1 2010/07/16 15:42:53 jmmv Exp $");
  40
  41 #include <stdio.h>
  42 #include <stdlib.h>
  43 #include <signal.h>
  44 #include <string.h>
  45 #include <unistd.h>
  46
  47 extern int __cxa_atexit(void (*func)(void *), void *, void *);
  48 extern void __cxa_finalize(void *);
  49
  50 static int dso_handle_1;
  51 static int dso_handle_2;
  52 static int dso_handle_3;
  53
  54 static int arg_1;
  55 static int arg_2;
  56 static int arg_3;
  57
  58 static int exiting_state;
  59
  60 #define    ASSERT(expr)                                     \
  61 do {                                                        \
  62         if ((expr) == 0) {                                      \
  63                 write(STDERR_FILENO, __func__, strlen(__func__));   \
  64                 write(STDERR_FILENO, ": ", 2);                      \
  65                 write(STDERR_FILENO, __STRING(expr),                \
  66                           strlen(__STRING(expr)));                      \
  67                 write(STDERR_FILENO, "\n", 1);                      \
  68                 my_abort();                                         \
  69         }                                                       \
  70 } while (/*CONSTCOND*/0)
  71
  72 #define    SUCCESS()                                        \
  73 do {                                                        \
  74         write(STDOUT_FILENO, __func__, strlen(__func__));       \
  75         write(STDOUT_FILENO, "\n", 1);                          \
  76 } while (/*CONSTCOND*/0)
  77
  78 static void
  79 my_abort(void)
  80 {
  81
  82         kill(getpid(), SIGABRT);
  83         /* NOTREACHED */
  84 }
  85
  86 static void
  87 cxa_handler_5(void *arg)
  88 {
  89         static int cxa_handler_5_called;
  90
  91         ASSERT(arg == (void *)&arg_1);
  92         ASSERT(cxa_handler_5_called == 0);
  93         ASSERT(exiting_state == 5);
  94
  95         exiting_state--;
  96         cxa_handler_5_called = 1;
  97         SUCCESS();
  98 }
  99
 100 static void
 101 cxa_handler_4(void *arg)
 102 {
 103         static int cxa_handler_4_called;
 104
 105         ASSERT(arg == (void *)&arg_1);
 106         ASSERT(cxa_handler_4_called == 0);
 107         ASSERT(exiting_state == 4);
 108
 109         exiting_state--;
 110         cxa_handler_4_called = 1;
 111         SUCCESS();
 112 }
 113
 114 static void
 115 cxa_handler_3(void *arg)
 116 {
 117         static int cxa_handler_3_called;
 118
 119         ASSERT(arg == (void *)&arg_2);
 120         ASSERT(cxa_handler_3_called == 0);
 121         ASSERT(exiting_state == 3);
 122
 123         exiting_state--;
 124         cxa_handler_3_called = 1;
 125         SUCCESS();
 126 }
 127
 128 static void
 129 cxa_handler_2(void *arg)
 130 {
 131         static int cxa_handler_2_called;
 132
 133         ASSERT(arg == (void *)&arg_3);
 134         ASSERT(cxa_handler_2_called == 0);
 135         ASSERT(exiting_state == 2);
 136
 137         exiting_state--;
 138         cxa_handler_2_called = 1;
 139         SUCCESS();
 140 }
 141
 142 static void
 143 normal_handler_1(void)
 144 {
 145         static int normal_handler_1_called;
 146
 147         ASSERT(normal_handler_1_called == 0);
 148         ASSERT(exiting_state == 1);
 149
 150         exiting_state--;
 151         normal_handler_1_called = 1;
 152         SUCCESS();
 153 }
 154
 155 static void
 156 normal_handler_0(void)
 157 {
 158         static int normal_handler_0_called;
 159
 160         ASSERT(normal_handler_0_called == 0);
 161         ASSERT(exiting_state == 0);
 162
 163         normal_handler_0_called = 1;
 164         SUCCESS();
 165 }
 166
 167 int
 168 main(int argc, char *argv[])
 169 {
 170
 171         exiting_state = 5;
 172
 173         ASSERT(0 == atexit(normal_handler_0));
 174         ASSERT(0 == atexit(normal_handler_1));
 175         ASSERT(0 == __cxa_atexit(cxa_handler_4, &arg_1, &dso_handle_1));
 176         ASSERT(0 == __cxa_atexit(cxa_handler_5, &arg_1, &dso_handle_1));
 177         ASSERT(0 == __cxa_atexit(cxa_handler_3, &arg_2, &dso_handle_2));
 178         ASSERT(0 == __cxa_atexit(cxa_handler_2, &arg_3, &dso_handle_3));
 179
 180         __cxa_finalize(&dso_handle_1);
 181         __cxa_finalize(&dso_handle_2);
 182         exit(0);
 183 }