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88 lines
2.2 KiB
C++
88 lines
2.2 KiB
C++
/* Test that throwing C++ exceptions works with the minimum stack size.
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Copyright (C) 2018 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <stdexcept>
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#include <limits.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xthread.h>
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/* Throw a std::runtime_exception. */
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__attribute__ ((noinline, noclone, weak))
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void
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do_throw_exception ()
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{
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throw std::runtime_error ("test exception");
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}
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/* Class with a destructor, to trigger unwind handling. */
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struct class_with_destructor
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{
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class_with_destructor ();
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~class_with_destructor ();
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};
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__attribute__ ((noinline, noclone, weak))
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class_with_destructor::class_with_destructor ()
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{
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}
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__attribute__ ((noinline, noclone, weak))
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class_with_destructor::~class_with_destructor ()
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{
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}
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__attribute__ ((noinline, noclone, weak))
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void
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function_with_destructed_object ()
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{
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class_with_destructor obj;
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do_throw_exception ();
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}
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static void *
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threadfunc (void *closure)
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{
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try
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{
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function_with_destructed_object ();
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FAIL_EXIT1 ("no exception thrown");
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}
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catch (std::exception &e)
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{
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TEST_COMPARE (strcmp (e.what (), "test exception"), 0);
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return reinterpret_cast<void *> (threadfunc);
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}
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FAIL_EXIT1 ("no exception caught");
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}
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static int
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do_test (void)
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{
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pthread_attr_t attr;
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xpthread_attr_init (&attr);
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xpthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
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pthread_t thr = xpthread_create (&attr, threadfunc, NULL);
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TEST_VERIFY (xpthread_join (thr) == threadfunc);
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xpthread_attr_destroy (&attr);
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return 0;
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}
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#include <support/test-driver.c>
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