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48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
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/* Tests for the getrandom functions.
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Copyright (C) 2024 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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<https://www.gnu.org/licenses/>. */
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#include <gnu/lib-names.h>
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#include <support/check.h>
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#include <support/xdlfcn.h>
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#include <support/xthread.h>
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#include <sys/random.h>
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static __typeof (getrandom) *getrandom_ptr;
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static void *
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threadfunc (void *ignored)
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{
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char buffer;
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TEST_COMPARE (getrandom_ptr (&buffer, 1, 0), 1);
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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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/* Check if issuing getrandom in the secondary libc.so works when
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the vDSO might be potentially used. */
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void *handle = xdlmopen (LM_ID_NEWLM, LIBC_SO, RTLD_NOW);
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getrandom_ptr = xdlsym (handle, "getrandom");
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for (int i = 0; i < 1000; ++i)
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xpthread_join (xpthread_create (NULL, threadfunc, NULL));
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return 0;
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}
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#include <support/test-driver.c>
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