1 /* Copyright (C) 2002-2022 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 <string.h> 20 #include <unistd.h> 21 #include "pthreadP.h" 22 #include <shlib-compat.h> 23 24 int __pthread_attr_destroy(pthread_attr_t * attr)25__pthread_attr_destroy (pthread_attr_t *attr) 26 { 27 struct pthread_attr *iattr; 28 29 iattr = (struct pthread_attr *) attr; 30 31 #if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1) 32 /* In old struct pthread_attr, the extension member is missing. */ 33 if (__builtin_expect ((iattr->flags & ATTR_FLAG_OLDATTR), 0) == 0) 34 #endif 35 { 36 if (iattr->extension != NULL) 37 { 38 free (iattr->extension->cpuset); 39 free (iattr->extension); 40 } 41 } 42 43 return 0; 44 } 45 libc_hidden_def (__pthread_attr_destroy) 46 weak_alias (__pthread_attr_destroy, pthread_attr_destroy) 47