1 /* Test that pthread_exit works with the minimum stack size. 2 Copyright (C) 2018-2021 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 /* Note: This test is similar to tst-minstack-cancel, but is separate 20 to avoid spurious test passes due to warm-up effects. */ 21 22 #include <limits.h> 23 #include <unistd.h> 24 #include <support/check.h> 25 #include <support/xthread.h> 26 27 _Static_assert (__SC_THREAD_STACK_MIN_VALUE == _SC_THREAD_STACK_MIN, 28 "__SC_THREAD_STACK_MIN_VALUE is correct"); 29 30 static void * threadfunc(void * closure)31threadfunc (void *closure) 32 { 33 pthread_exit (threadfunc); 34 return NULL; 35 } 36 37 static int do_test(void)38do_test (void) 39 { 40 pthread_attr_t attr; 41 xpthread_attr_init (&attr); 42 xpthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN); 43 pthread_t thr = xpthread_create (&attr, threadfunc, NULL); 44 TEST_VERIFY (xpthread_join (thr) == threadfunc); 45 xpthread_attr_destroy (&attr); 46 return 0; 47 } 48 49 #include <support/test-driver.c> 50