| 1 | /* Test that throwing C++ exceptions works with the minimum stack size. |
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| 2 | Copyright (C) 2018-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 15 | You should have received a copy of the GNU Lesser General Public |
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| 16 | License along with the GNU C Library; if not, see |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <stdexcept> |
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| 20 | |
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| 21 | #include <limits.h> |
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| 22 | #include <string.h> |
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| 23 | #include <support/check.h> |
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| 24 | #include <support/xthread.h> |
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| 25 | |
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| 26 | /* Throw a std::runtime_exception. */ |
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| 27 | __attribute__ ((noinline, noclone, weak)) |
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| 28 | void |
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| 29 | do_throw_exception () |
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| 30 | { |
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| 31 | throw std::runtime_error ("test exception" ); |
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| 32 | } |
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| 33 | |
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| 34 | /* Class with a destructor, to trigger unwind handling. */ |
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| 35 | struct class_with_destructor |
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| 36 | { |
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| 37 | class_with_destructor (); |
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| 38 | ~class_with_destructor (); |
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| 39 | }; |
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| 40 | |
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| 41 | __attribute__ ((noinline, noclone, weak)) |
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| 42 | class_with_destructor::class_with_destructor () |
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| 43 | { |
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| 44 | } |
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| 45 | |
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| 46 | __attribute__ ((noinline, noclone, weak)) |
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| 47 | class_with_destructor::~class_with_destructor () |
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| 48 | { |
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| 49 | } |
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| 50 | |
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| 51 | __attribute__ ((noinline, noclone, weak)) |
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| 52 | void |
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| 53 | function_with_destructed_object () |
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| 54 | { |
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| 55 | class_with_destructor obj; |
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| 56 | do_throw_exception (); |
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| 57 | } |
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| 58 | |
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| 59 | static void * |
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| 60 | threadfunc (void *closure) |
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| 61 | { |
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| 62 | try |
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| 63 | { |
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| 64 | function_with_destructed_object (); |
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| 65 | FAIL_EXIT1 ("no exception thrown" ); |
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| 66 | } |
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| 67 | catch (std::exception &e) |
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| 68 | { |
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| 69 | TEST_COMPARE (strcmp (e.what (), "test exception" ), 0); |
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| 70 | return reinterpret_cast<void *> (threadfunc); |
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| 71 | } |
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| 72 | FAIL_EXIT1 ("no exception caught" ); |
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| 73 | } |
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| 74 | |
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| 75 | static int |
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| 76 | do_test (void) |
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| 77 | { |
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| 78 | pthread_attr_t attr; |
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| 79 | xpthread_attr_init (attr: &attr); |
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| 80 | xpthread_attr_setstacksize (attr: &attr, PTHREAD_STACK_MIN); |
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| 81 | pthread_t thr = xpthread_create (attr: &attr, thread_func: threadfunc, NULL); |
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| 82 | TEST_VERIFY (xpthread_join (thr) == threadfunc); |
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| 83 | xpthread_attr_destroy (attr: &attr); |
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| 84 | return 0; |
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| 85 | } |
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| 86 | |
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| 87 | #include <support/test-driver.c> |
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| 88 | |
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