Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / ext / mt_allocator / 22309_thread.cc

diff --git a/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc b/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc
new file mode 100644 (file)
index 0000000..bd52fd3
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/mt_allocator/22309_thread.cc
@@ -0,0 +1,99 @@
+// { dg-require-sharedlib "" }
+// { dg-options "-g -O2 -pthread -ldl" { target *-*-linux* } }
+
+// Copyright (C) 2004, 2005, 2009 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, NULL, tf, NULL);
+  pthread_join(th, NULL);
+  return 0;
+}