contrib/netbsd-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 #ifdef __FreeBSD__
  51 /*
  52  * See comments in ../../lib/libc/stdlib/h_atexit.c about the deviation
  53  * between FreeBSD and NetBSD with this helper program
  54  */
  55 static void *dso_handle_1 = (void *)1;
  56 static void *dso_handle_2 = (void *)2;
  57 static void *dso_handle_3 = (void *)3;
  58 #else
  59 static int dso_handle_1;
  60 static int dso_handle_2;
  61 static int dso_handle_3;
  62 #endif
  63
  64 static int arg_1;
  65 static int arg_2;
  66 static int arg_3;
  67
  68 static int exiting_state;
  69
  70 #define    ASSERT(expr)                                     \
  71 do {                                                        \
  72         if ((expr) == 0) {                                      \
  73                 write(STDERR_FILENO, __func__, strlen(__func__));   \
  74                 write(STDERR_FILENO, ": ", 2);                      \
  75                 write(STDERR_FILENO, __STRING(expr),                \
  76                           strlen(__STRING(expr)));                      \
  77                 write(STDERR_FILENO, "\n", 1);                      \
  78                 my_abort();                                         \
  79         }                                                       \
  80 } while (/*CONSTCOND*/0)
  81
  82 #define    SUCCESS()                                        \
  83 do {                                                        \
  84         write(STDOUT_FILENO, __func__, strlen(__func__));       \
  85         write(STDOUT_FILENO, "\n", 1);                          \
  86 } while (/*CONSTCOND*/0)
  87
  88 static void
  89 my_abort(void)
  90 {
  91
  92         kill(getpid(), SIGABRT);
  93         /* NOTREACHED */
  94 }
  95
  96 static void
  97 cxa_handler_5(void *arg)
  98 {
  99         static int cxa_handler_5_called;
 100
 101         ASSERT(arg == (void *)&arg_1);
 102         ASSERT(cxa_handler_5_called == 0);
 103         ASSERT(exiting_state == 5);
 104
 105         exiting_state--;
 106         cxa_handler_5_called = 1;
 107         SUCCESS();
 108 }
 109
 110 static void
 111 cxa_handler_4(void *arg)
 112 {
 113         static int cxa_handler_4_called;
 114
 115         ASSERT(arg == (void *)&arg_1);
 116         ASSERT(cxa_handler_4_called == 0);
 117         ASSERT(exiting_state == 4);
 118
 119         exiting_state--;
 120         cxa_handler_4_called = 1;
 121         SUCCESS();
 122 }
 123
 124 static void
 125 cxa_handler_3(void *arg)
 126 {
 127         static int cxa_handler_3_called;
 128
 129         ASSERT(arg == (void *)&arg_2);
 130         ASSERT(cxa_handler_3_called == 0);
 131         ASSERT(exiting_state == 3);
 132
 133         exiting_state--;
 134         cxa_handler_3_called = 1;
 135         SUCCESS();
 136 }
 137
 138 static void
 139 cxa_handler_2(void *arg)
 140 {
 141         static int cxa_handler_2_called;
 142
 143         ASSERT(arg == (void *)&arg_3);
 144         ASSERT(cxa_handler_2_called == 0);
 145         ASSERT(exiting_state == 2);
 146
 147         exiting_state--;
 148         cxa_handler_2_called = 1;
 149         SUCCESS();
 150 }
 151
 152 static void
 153 normal_handler_1(void)
 154 {
 155         static int normal_handler_1_called;
 156
 157         ASSERT(normal_handler_1_called == 0);
 158         ASSERT(exiting_state == 1);
 159
 160         exiting_state--;
 161         normal_handler_1_called = 1;
 162         SUCCESS();
 163 }
 164
 165 static void
 166 normal_handler_0(void)
 167 {
 168         static int normal_handler_0_called;
 169
 170         ASSERT(normal_handler_0_called == 0);
 171         ASSERT(exiting_state == 0);
 172
 173         normal_handler_0_called = 1;
 174         SUCCESS();
 175 }
 176
 177 int
 178 main(int argc, char *argv[])
 179 {
 180
 181         exiting_state = 5;
 182
 183 #ifdef __FreeBSD__
 184         ASSERT(0 == atexit(normal_handler_0));
 185         ASSERT(0 == atexit(normal_handler_1));
 186         ASSERT(0 == __cxa_atexit(cxa_handler_4, &arg_1, dso_handle_1));
 187         ASSERT(0 == __cxa_atexit(cxa_handler_5, &arg_1, dso_handle_1));
 188         ASSERT(0 == __cxa_atexit(cxa_handler_3, &arg_2, dso_handle_2));
 189         ASSERT(0 == __cxa_atexit(cxa_handler_2, &arg_3, dso_handle_3));
 190
 191         __cxa_finalize(dso_handle_1);
 192         __cxa_finalize(dso_handle_2);
 193 #else
 194         ASSERT(0 == __cxa_atexit(cxa_handler_4, &arg_1, &dso_handle_1));
 195         ASSERT(0 == __cxa_atexit(cxa_handler_5, &arg_1, &dso_handle_1));
 196         ASSERT(0 == __cxa_atexit(cxa_handler_3, &arg_2, &dso_handle_2));
 197         ASSERT(0 == __cxa_atexit(cxa_handler_2, &arg_3, &dso_handle_3));
 198
 199         __cxa_finalize(&dso_handle_1);
 200         __cxa_finalize(&dso_handle_2);
 201 #endif
 202         exit(0);
 203 }