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d8b778907e
I verified that without the guard accounting change in commit630f4cc3aa(Fix stack guard size accounting) and RTLD_NOW for libgcc_s introduced by commitf993b87540(nptl: Open libgcc.so with RTLD_NOW during pthread_cancel), the tst-minstack-cancel test fails on an AVX-512F machine. tst-minstack-exit still passes, and either of the mentioned commit by itself frees sufficient stack space to make tst-minstack-cancel pass, too. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
/* Test cancellation with a minimal 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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/* Note: This test is similar to tst-minstack-exit, but is separate to
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avoid spurious test passes due to warm-up effects. */
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#include <limits.h>
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#include <unistd.h>
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#include <support/check.h>
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#include <support/xthread.h>
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static void *
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threadfunc (void *closure)
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{
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while (1)
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pause ();
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return NULL;
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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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xpthread_cancel (thr);
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TEST_VERIFY (xpthread_join (thr) == PTHREAD_CANCELED);
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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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