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authorFlorian Weimer <fweimer@redhat.com>2018-01-15 15:30:00 +0100
committerFlorian Weimer <fweimer@redhat.com>2018-01-15 15:30:00 +0100
commit860b0240a5645edd6490161de3f8d1d1f2786025 (patch)
treec2f17e3e2043c153a7dd2cf4b79eab14fafbaa0a /nptl
parent16d0f6ac3e43ce2f3703e77bda5ab742d42a5640 (diff)
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nptl: Add PTHREAD_MIN_STACK C++ throw test [BZ #22636]
Diffstat (limited to 'nptl')
-rw-r--r--nptl/Makefile7
-rw-r--r--nptl/tst-minstack-throw.cc87
2 files changed, 92 insertions, 2 deletions
diff --git a/nptl/Makefile b/nptl/Makefile
index 12c69f9..d59caa5 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -231,6 +231,7 @@ CFLAGS-tst-thread_local1.o = -std=gnu++11
LDLIBS-tst-thread_local1 = -lstdc++
CFLAGS-tst-thread-exit-clobber.o = -std=gnu++11
LDLIBS-tst-thread-exit-clobber = -lstdc++
+LDLIBS-tst-minstack-throw = -lstdc++
tests = tst-attr1 tst-attr2 tst-attr3 tst-default-attr \
tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
@@ -307,7 +308,8 @@ tests = tst-attr1 tst-attr2 tst-attr3 tst-default-attr \
tst-bad-schedattr \
tst-thread_local1 tst-mutex-errorcheck tst-robust10 \
tst-robust-fork tst-create-detached tst-memstream \
- tst-thread-exit-clobber tst-minstack-cancel tst-minstack-exit
+ tst-thread-exit-clobber tst-minstack-cancel tst-minstack-exit \
+ tst-minstack-throw
tests-internal := tst-rwlock19 tst-rwlock20 \
tst-sem11 tst-sem12 tst-sem13 \
@@ -457,7 +459,8 @@ endif
ifeq (,$(CXX))
# These tests require a C++ compiler and runtime.
-tests-unsupported += tst-cancel24 tst-cancel24-static tst-once5
+tests-unsupported += tst-cancel24 tst-cancel24-static tst-once5 \
+ tst-minstack-throw
endif
# These tests require a C++ compiler and runtime with thread_local support.
ifneq ($(have-cxx-thread_local),yes)
diff --git a/nptl/tst-minstack-throw.cc b/nptl/tst-minstack-throw.cc
new file mode 100644
index 0000000..b0a897b
--- /dev/null
+++ b/nptl/tst-minstack-throw.cc
@@ -0,0 +1,87 @@
+/* Test that throwing C++ exceptions works with the minimum stack size.
+ Copyright (C) 2018 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stdexcept>
+
+#include <limits.h>
+#include <string.h>
+#include <support/check.h>
+#include <support/xthread.h>
+
+/* Throw a std::runtime_exception. */
+__attribute__ ((noinline, noclone, weak))
+void
+do_throw_exception ()
+{
+ throw std::runtime_error ("test exception");
+}
+
+/* Class with a destructor, to trigger unwind handling. */
+struct class_with_destructor
+{
+ class_with_destructor ();
+ ~class_with_destructor ();
+};
+
+__attribute__ ((noinline, noclone, weak))
+class_with_destructor::class_with_destructor ()
+{
+}
+
+__attribute__ ((noinline, noclone, weak))
+class_with_destructor::~class_with_destructor ()
+{
+}
+
+__attribute__ ((noinline, noclone, weak))
+void
+function_with_destructed_object ()
+{
+ class_with_destructor obj;
+ do_throw_exception ();
+}
+
+static void *
+threadfunc (void *closure)
+{
+ try
+ {
+ function_with_destructed_object ();
+ FAIL_EXIT1 ("no exception thrown");
+ }
+ catch (std::exception &e)
+ {
+ TEST_COMPARE (strcmp (e.what (), "test exception"), 0);
+ return reinterpret_cast<void *> (threadfunc);
+ }
+ FAIL_EXIT1 ("no exception caught");
+}
+
+static int
+do_test (void)
+{
+ pthread_attr_t attr;
+ xpthread_attr_init (&attr);
+ xpthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
+ pthread_t thr = xpthread_create (&attr, threadfunc, NULL);
+ TEST_VERIFY (xpthread_join (thr) == threadfunc);
+ xpthread_attr_destroy (&attr);
+ return 0;
+}
+
+#include <support/test-driver.c>