1 /* 2 * Read/Write lock functions for testing 3 * 4 * Copyright (C) 2010-2021, Joachim Metz <joachim.metz@gmail.com> 5 * 6 * Refer to AUTHORS for acknowledgements. 7 * 8 * This program is free software: you can redistribute it and/or modify 9 * it under the terms of the GNU Lesser General Public License as published by 10 * the Free Software Foundation, either version 3 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public License 19 * along with this program. If not, see <https://www.gnu.org/licenses/>. 20 */ 21 22 #if !defined( _QCOW_TEST_RWLOCK_H ) 23 #define _QCOW_TEST_RWLOCK_H 24 25 #include <common.h> 26 27 #include "qcow_test_libqcow.h" 28 29 #if defined( __cplusplus ) 30 extern "C" { 31 #endif 32 33 #if defined( LIBQCOW_HAVE_MULTI_THREAD_SUPPORT ) && defined( HAVE_GNU_DL_DLSYM ) && defined( __GNUC__ ) && !defined( __clang__ ) && !defined( __CYGWIN__ ) 34 #define HAVE_QCOW_TEST_RWLOCK 1 35 #endif 36 37 #if defined( HAVE_QCOW_TEST_RWLOCK ) 38 39 extern int qcow_test_pthread_rwlock_init_attempts_before_fail; 40 41 extern int qcow_test_pthread_rwlock_destroy_attempts_before_fail; 42 43 extern int qcow_test_pthread_rwlock_rdlock_attempts_before_fail; 44 45 extern int qcow_test_pthread_rwlock_wrlock_attempts_before_fail; 46 47 extern int qcow_test_pthread_rwlock_unlock_attempts_before_fail; 48 49 #endif /* defined( HAVE_QCOW_TEST_RWLOCK ) */ 50 51 #if defined( __cplusplus ) 52 } 53 #endif 54 55 #endif /* !defined( _QCOW_TEST_RWLOCK_H ) */ 56 57