100 lines
2.0 KiB
C++
100 lines
2.0 KiB
C++
// { dg-require-sharedlib "" }
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// { dg-options "-g -O2 -pthread -ldl" { target *-*-linux* } }
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// Copyright (C) 2004, 2005, 2009 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <dlfcn.h>
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#include <pthread.h>
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#include <cstdlib>
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#include <stdexcept>
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void
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check_dlopen(void*& h)
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{
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dlerror();
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void* tmp = dlopen("./testsuite_shared.so", RTLD_LAZY);
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if (!tmp)
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{
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try
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{
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// Throws std::logic_error on NULL string.
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std::string error(dlerror());
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throw std::runtime_error(error);
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}
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catch (const std::logic_error&)
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{ }
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}
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h = tmp;
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}
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void
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check_dlsym(void*& h)
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{
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dlerror();
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typedef void (*function_type) (void);
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function_type fn;
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fn = reinterpret_cast<function_type>(dlsym(h, "try_allocation"));
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try
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{
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std::string error(dlerror());
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throw std::runtime_error(error);
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}
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catch (const std::logic_error&)
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{ }
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fn();
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}
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void
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check_dlclose(void*& h)
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{
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dlerror();
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if (dlclose(h) != 0)
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{
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try
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{
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std::string error(dlerror());
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throw std::runtime_error(error);
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}
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catch (const std::logic_error&)
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{ }
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}
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}
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void*
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tf(void* arg)
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{
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void* h;
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check_dlopen(h);
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check_dlsym(h);
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check_dlclose(h);
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return 0;
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}
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// libstdc++/22309
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int
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main (void)
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{
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pthread_t th;
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pthread_create(&th, NULL, tf, NULL);
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pthread_join(th, NULL);
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return 0;
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}
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