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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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| 
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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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| 
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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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| 
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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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| 
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| #include <stdexcept>
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| #include <support/test-driver.c>
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