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/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* this program is used to check that static C++ destructors are
* properly called when dlclose() is called. We do this by using
* a helper C++ shared library.
*
* See libdlclosetest1.cpp for details.
*/
#include <dlfcn.h>
#include <stdio.h>
static int
check_library(const char* libname)
{
void* lib = dlopen(libname, RTLD_NOW);
int* to_x;
void (*set_y)(int *);
int y = 0;
if (lib == NULL) {
fprintf(stderr, "Could not load shared library %s: %s\n", libname, dlerror());
return 1;
}
fprintf(stderr, "%s loaded.\n", libname);
to_x = dlsym(lib, "x");
if (to_x == NULL) {
fprintf(stderr, "Could not access global DLL variable (x) in %s: %s\n", libname, dlerror());
return 10;
}
if (*to_x != 1) {
fprintf(stderr, "Constructor was not run on dlopen(\"%s\") !\n", libname);
return 11;
}
set_y = dlsym(lib, "set_y");
if (set_y == NULL) {
fprintf(stderr, "Could not access global DLL function (set_y) in %s: %s\n", libname, dlerror());
return 12;
}
y = 0;
(*set_y)(&y);
if (dlclose(lib) < 0) {
fprintf(stderr, "Could not unload shared library %s: %s\n", libname, dlerror());
return 2;
}
fprintf(stderr, "%s unloaded.\n", libname);
if (y != 2) {
fprintf(stderr, "Static destructors was not called on dlclose()!\n");
return 2;
}
return 0;
}
int main(void)
{
/* Testing static C++ construction/destruction */
if (check_library("libdlclosetest1.so"))
return 1;
if (check_library("libdlclosetest2.so"))
return 2;
return 0;
}
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