1 /* Copyright (C) 2003-2021 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #include <errno.h> 19 #include <pthread.h> 20 #include <signal.h> 21 #include <stdio.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <support/check.h> 25 #include <support/xthread.h> 26 27 #include "eintr.c" 28 29 30 static void * tf(void * arg)31tf (void *arg) 32 { 33 pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; 34 xpthread_mutex_lock (&m); 35 /* This call must not return. */ 36 xpthread_mutex_lock (&m); 37 38 puts ("tf: mutex_lock returned"); 39 exit (1); 40 } 41 42 43 static int do_test(void)44do_test (void) 45 { 46 pthread_t self = pthread_self (); 47 48 setup_eintr (SIGUSR1, &self); 49 50 pthread_t th = xpthread_create (NULL, tf, NULL); 51 52 delayed_exit (1); 53 /* This call must never return. */ 54 xpthread_join (th); 55 puts ("error: pthread_join returned"); 56 return 1; 57 } 58 59 #include <support/test-driver.c> 60