1 #ifndef _system_threads_h 2 #define _system_threads_h 3 /* 4 Unix SMB/CIFS implementation. 5 6 macros to go along with the lib/replace/ portability layer code 7 8 Copyright (C) Volker Lendecke 2012 9 10 ** NOTE! The following LGPL license applies to the replace 11 ** library. This does NOT imply that all of Samba is released 12 ** under the LGPL 13 14 This library is free software; you can redistribute it and/or 15 modify it under the terms of the GNU Lesser General Public 16 License as published by the Free Software Foundation; either 17 version 3 of the License, or (at your option) any later version. 18 19 This library is distributed in the hope that it will be useful, 20 but WITHOUT ANY WARRANTY; without even the implied warranty of 21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 22 Lesser General Public License for more details. 23 24 You should have received a copy of the GNU Lesser General Public 25 License along with this library; if not, see <http://www.gnu.org/licenses/>. 26 */ 27 28 #include <pthread.h> 29 30 #if defined(HAVE_PTHREAD_MUTEXATTR_SETROBUST_NP) && \ 31 !defined(HAVE_PTHREAD_MUTEXATTR_SETROBUST) 32 #define pthread_mutexattr_setrobust pthread_mutexattr_setrobust_np 33 #endif 34 35 #if defined(HAVE_DECL_PTHREAD_MUTEX_ROBUST_NP) && \ 36 !defined(HAVE_DECL_PTHREAD_MUTEX_ROBUST) 37 #define PTHREAD_MUTEX_ROBUST PTHREAD_MUTEX_ROBUST_NP 38 #endif 39 40 #if defined(HAVE_PTHREAD_MUTEX_CONSISTENT_NP) && \ 41 !defined(HAVE_PTHREAD_MUTEX_CONSISTENT) 42 #define pthread_mutex_consistent pthread_mutex_consistent_np 43 #endif 44 45 #ifdef HAVE_STDATOMIC_H 46 #include <stdatomic.h> 47 #endif 48 49 #ifndef HAVE_ATOMIC_THREAD_FENCE 50 #ifdef HAVE___ATOMIC_THREAD_FENCE 51 #define atomic_thread_fence(__ignore_order) __atomic_thread_fence(__ATOMIC_SEQ_CST) 52 #define HAVE_ATOMIC_THREAD_FENCE 1 53 #endif /* HAVE___ATOMIC_THREAD_FENCE */ 54 #endif /* not HAVE_ATOMIC_THREAD_FENCE */ 55 56 #ifndef HAVE_ATOMIC_THREAD_FENCE 57 #ifdef HAVE___SYNC_SYNCHRONIZE 58 #define atomic_thread_fence(__ignore_order) __sync_synchronize() 59 #define HAVE_ATOMIC_THREAD_FENCE 1 60 #endif /* HAVE___SYNC_SYNCHRONIZE */ 61 #endif /* not HAVE_ATOMIC_THREAD_FENCE */ 62 63 #ifndef HAVE_ATOMIC_THREAD_FENCE 64 #ifdef HAVE_ATOMIC_THREAD_FENCE_SUPPORT 65 #error mismatch_error_between_configure_test_and_header 66 #endif 67 /* make sure the build fails if someone uses it without checking the define */ 68 #define atomic_thread_fence(__order) \ 69 __function__atomic_thread_fence_not_available_on_this_platform__() 70 #endif /* not HAVE_ATOMIC_THREAD_FENCE */ 71 72 #endif 73