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stdlib/tst-getrandom2.c
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Paul Eggert
Update copyright dates with scripts/update-copyrights
02 янв 2026, 00:42
02 янв 2026, 00:42
66f3e92
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/* Tests for the getrandom functions. Copyright (C) 2024-2026 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 <https://www.gnu.org/licenses/>. */ #include <gnu/lib-names.h> #include <support/check.h> #include <support/xdlfcn.h> #include <support/xthread.h> #include <sys/random.h> static __typeof (getrandom) *getrandom_ptr; static void * threadfunc (void *ignored) { char buffer; TEST_COMPARE (getrandom_ptr (&buffer, 1, 0), 1); return NULL; } static int do_test (void) { /* Check if issuing getrandom in the secondary libc.so works when the vDSO might be potentially used. */ void *handle = xdlmopen (LM_ID_NEWLM, LIBC_SO, RTLD_NOW); getrandom_ptr = xdlsym (handle, "getrandom"); for (int i = 0; i < 1000; ++i) xpthread_join (xpthread_create (NULL, threadfunc, NULL)); return 0; } #include <support/test-driver.c>