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// { dg-require-sharedlib "" }
// { dg-options "-g -O2 -pthread -ldl" { target *-*-linux* *-*-gnu* } }
// Copyright (C) 2004-2019 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
#include <dlfcn.h>
#include <pthread.h>
#include <cstdlib>
#include <stdexcept>
void
check_dlopen(void*& h)
{
dlerror();
void* tmp = dlopen("./testsuite_shared.so", RTLD_LAZY);
if (!tmp)
{
try
{
// Throws std::logic_error on NULL string.
std::string error(dlerror());
throw std::runtime_error(error);
}
catch (const std::logic_error&)
{ }
}
h = tmp;
}
void
check_dlsym(void*& h)
{
dlerror();
typedef void (*function_type) (void);
function_type fn;
fn = reinterpret_cast<function_type>(dlsym(h, "try_allocation"));
try
{
std::string error(dlerror());
throw std::runtime_error(error);
}
catch (const std::logic_error&)
{ }
fn();
}
void
check_dlclose(void*& h)
{
dlerror();
if (dlclose(h) != 0)
{
try
{
std::string error(dlerror());
throw std::runtime_error(error);
}
catch (const std::logic_error&)
{ }
}
}
void*
tf(void* arg)
{
void* h;
check_dlopen(h);
check_dlsym(h);
check_dlclose(h);
return 0;
}
// libstdc++/22309
int
main (void)
{
pthread_t th;
pthread_create(&th, 0, tf, 0);
pthread_join(th, 0);
return 0;
}
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