1 /* Copyright (C) 1997-2022 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 <libc-lock.h> 19 #include <errno.h> 20 #include <stdlib.h> 21 #include <pthreadP.h> 22 23 /* This serves as stub "self" pointer for libc locks when TLS is not initialized 24 yet. */ 25 char __libc_lock_self0[0]; 26 27 /* Placeholder for key creation routine from Hurd cthreads library. */ 28 int 29 weak_function __cthread_keycreate(__cthread_key_t * key)30__cthread_keycreate (__cthread_key_t *key) 31 { 32 __set_errno (ENOSYS); 33 *key = -1; 34 return -1; 35 } 36 37 /* Placeholder for key retrieval routine from Hurd cthreads library. */ 38 int 39 weak_function __cthread_getspecific(__cthread_key_t key,void ** pval)40__cthread_getspecific (__cthread_key_t key, void **pval) 41 { 42 *pval = NULL; 43 __set_errno (ENOSYS); 44 return -1; 45 } 46 47 /* Placeholder for key setting routine from Hurd cthreads library. */ 48 int 49 weak_function __cthread_setspecific(__cthread_key_t key,void * val)50__cthread_setspecific (__cthread_key_t key, void *val) 51 { 52 __set_errno (ENOSYS); 53 return -1; 54 } 55