1 # 2 # Suppression patterns for ld, the dynamic loader. 3 # 4 5 # Suppress all data races triggered by ld. 6 { 7 drd-ld 8 drd:ConflictingAccess 9 obj:/lib*/ld-*.so 10 } 11 12 # 13 # Suppression patterns for libc. 14 # 15 16 # Suppress all data races where the topmost frame is inside libc.so. Although 17 # this could hide some real data races, unfortunately this is the only way to 18 # not report any false positives on stdio functions. The glibc functions 19 # manipulating FILE objects use locking primitives that cannot be intercepted 20 # easily. See also the definitions of _IO_lock_lock() etc. in the file 21 # nptl/sysdeps/pthread/bits/stdio-lock.h in the glibc source tree. 22 { 23 drd-libc-stdio 24 drd:ConflictingAccess 25 obj:/lib*/libc-* 26 } 27 { 28 drd-libc-thread-cancellation-test 29 drd:ConflictingAccess 30 fun:write 31 } 32 33 # 34 # Suppression patterns for libstdc++, the implementation of the standard C++ 35 # library included with the gcc compiler. 36 # 37 # Note: several versions of the libstdc++ library (4.2.2, 4.3.2, 4.4.0, 4.5.0 38 # and their predecessors) contain an implementation of the std::string class 39 # that triggers conflicting memory accesses. See also 40 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40518 41 # 42 43 # { 44 # drd-libstdc++-std::string::string() 45 # drd:ConflictingAccess 46 # fun:_ZNSsC1ERKSs 47 # } 48 49 { 50 drd-libstdc++-cxa_guard_release 51 drd:CondErr 52 fun:pthread_cond_broadcast@* 53 fun:__cxa_guard_release 54 } 55 56 57 # 58 # Suppression patterns for libpthread. 59 # 60 61 { 62 drd-libpthread-pthread_create 63 drd:ConflictingAccess 64 ... 65 fun:pthread_create* 66 } 67 { 68 drd-libpthread-pthread_join 69 drd:ConflictingAccess 70 fun:pthread_join 71 fun:pthread_join 72 } 73 { 74 drd-libpthread-__deallocate_stack 75 drd:ConflictingAccess 76 ... 77 fun:__deallocate_stack 78 } 79 { 80 drd-libpthread-__free_stacks 81 drd:ConflictingAccess 82 fun:__free_stacks 83 } 84 { 85 drd-libpthread-__free_tcb 86 drd:ConflictingAccess 87 ... 88 fun:__free_tcb 89 } 90 { 91 drd-libpthread-__nptl_deallocate_tsd 92 drd:ConflictingAccess 93 fun:__nptl_deallocate_tsd 94 } 95 { 96 drd-libpthread-pthread_detach 97 drd:ConflictingAccess 98 fun:pthread_detach 99 fun:pthread_detach 100 } 101 { 102 drd-libpthread-pthread_once 103 drd:ConflictingAccess 104 fun:pthread_once 105 } 106 { 107 drd-libpthread-pthread_cancel_init 108 drd:ConflictingAccess 109 fun:pthread_cancel_init 110 } 111 { 112 drd-libpthread-_Unwind_ForcedUnwind 113 drd:ConflictingAccess 114 ... 115 fun:_Unwind_ForcedUnwind 116 } 117 { 118 drd-libpthread-_Unwind_GetCFA 119 drd:ConflictingAccess 120 fun:_Unwind_GetCFA 121 } 122 { 123 drd-libpthread-_Unwind_Resume 124 drd:ConflictingAccess 125 ... 126 fun:_Unwind_Resume 127 } 128 { 129 drd-libpthread-? 130 drd:ConflictingAccess 131 obj:/lib/libgcc_s.so.1 132 } 133 { 134 drd-libpthread-nanosleep 135 drd:ConflictingAccess 136 fun:nanosleep 137 } 138 139 # 140 # Suppression patterns for libgomp. 141 # 142 143 # Unfortunately many statements in libgomp trigger conflicting accesses. It is 144 # not clear to me which of these are safe and which ones not. See also 145 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40362 146 { 147 drd-libgomp 148 drd:ConflictingAccess 149 obj:/usr/lib*/libgomp.so* 150 } 151 152 # 153 # Suppression patterns for libX11. 154 # 155 156 { 157 drd-libX11-XCreateFontSet 158 drd:CondErr 159 fun:pthread_cond_init* 160 fun:_XReply 161 fun:XListFontsWithInfo 162 obj:/usr/lib*/libX11.so* 163 fun:XCreateOC 164 fun:XCreateFontSet 165 } 166 167 # 168 # Suppression patterns for libxcb. 169 # 170 171 { 172 drd-libxcb-xcb_wait_for_reply 173 drd:CondErr 174 fun:pthread_cond_destroy* 175 fun:xcb_wait_for_reply 176 } 177 178 # 179 # Suppression patterns for libglib. 180 # 181 182 { 183 drd-libglib-access-g_threads_got_initialized 184 drd:ConflictingAccess 185 ... 186 fun:g_slice_alloc 187 fun:g_ptr_array_sized_new 188 } 189 { 190 drd-libglib-access-g_threads_got_initialized 191 drd:ConflictingAccess 192 ... 193 fun:_ZN27QEventDispatcherGlibPrivateC1EP13_GMainContext 194 fun:_ZN20QEventDispatcherGlibC1EP7QObject 195 obj:/usr/lib*/libQtCore.so.4.* 196 obj:/usr/lib*/libQtCore.so.4.* 197 } 198 { 199 drd-libglib-access-g_mem_initialized 200 drd:ConflictingAccess 201 fun:g_malloc0 202 } 203 { 204 drd-libglib-g_private_get_posix_impl 205 drd:ConflictingAccess 206 fun:g_private_get_posix_impl 207 } 208 { 209 drd-libglib-g_private_set_posix_impl 210 drd:ConflictingAccess 211 fun:g_private_set_posix_impl 212 } 213 { 214 drd-libglib-g_get_language_names 215 drd:ConflictingAccess 216 fun:g_slice_free_chain_with_offset 217 } 218 { 219 drd-libglib-g_main_context_new 220 drd:ConflictingAccess 221 fun:fcntl 222 obj:/usr/lib*/libglib-*.so* 223 fun:g_main_context_new 224 } 225 226 # 227 # Suppression patterns for libQtCore. 228 # 229 230 { 231 drd-libQtCore-deref-that-calls-QThreadData-destructor 232 drd:ConflictingAccess 233 fun:_ZN11QThreadDataD1Ev 234 obj:/usr/lib*/libQtCore.so.4.* 235 } 236 { 237 drd-libQtCore-4.0/4.1-Q_GLOBAL_STATIC-connectionList 238 drd:ConflictingAccess 239 obj:/usr/lib*/libQtCore.so.4.* 240 fun:_ZN11QMetaObject8activateEP7QObjectiiPPv 241 fun:_ZN11QMetaObject8activateEP7QObjectPKS_iPPv 242 } 243 { 244 drd-libQtCore-QObjectPrivate::clearGuards(QObject*) 245 drd:ConflictingAccess 246 fun:_ZN14QReadWriteLock12lockForWriteEv 247 fun:_ZN14QObjectPrivate11clearGuardsEP7QObject 248 fun:_ZN7QObjectD2Ev 249 } 250 { 251 drd-libQtCore-QObjectPrivate::clearGuards(QObject*) 252 drd:ConflictingAccess 253 fun:_ZN14QReadWriteLock12lockForWriteEv 254 fun:_ZN12QWriteLocker6relockEv 255 fun:_ZN12QWriteLockerC1EP14QReadWriteLock 256 fun:_ZN14QObjectPrivate11clearGuardsEP7QObject 257 fun:_ZN7QObjectD2Ev 258 fun:_ZN24QAbstractEventDispatcherD2Ev 259 fun:_ZN20QEventDispatcherGlibD0Ev 260 } 261 { 262 drd-libQtCore-QMutexPool::get(void const*) 263 drd:ConflictingAccess 264 fun:_ZN10QMutexPool3getEPKv 265 } 266 { 267 drd-libQtCore-qt_gettime_is_monotonic() 268 drd:ConflictingAccess 269 fun:_Z23qt_gettime_is_monotonicv 270 } 271 272 # 273 # Suppression patterns for libboost. 274 # 275 276 # Suppress the races on boost::once_flag::epoch and on 277 # boost::detail::this_thread_epoch. See also the source file 278 # boost/thread/pthread/once.hpp in the Boost source tree 279 # (https://svn.boost.org/trac/boost/browser/trunk/boost/thread/pthread/once.hpp). 280 { 281 drd-libboost-boost::call_once<void (*)()>(boost::once_flag&, void (*)()) 282 drd:ConflictingAccess 283 ... 284 fun:_ZN5boost9call_onceIPFvvEEEvRNS_9once_flagET_ 285 } 286 { 287 drd-libboost-boost::detail::get_once_per_thread_epoch() 288 drd:ConflictingAccess 289 fun:_ZN5boost6detail25get_once_per_thread_epochEv 290 } 291 # Suppress the race reports on boost::detail::current_thread_tls_key. See also 292 # https://svn.boost.org/trac/boost/ticket/3526 for more information about why 293 # the access pattern of current_thread_tls_key is safe. 294 { 295 drd-libboost-boost::detail::get_current_thread_data() 296 drd:ConflictingAccess 297 ... 298 fun:_ZN5boost6detail23get_current_thread_dataEv 299 } 300 { 301 drd-libboost-boost::detail::set_current_thread_data(boost::detail::thread_data_base*) 302 drd:ConflictingAccess 303 ... 304 fun:_ZN5boost6detail23set_current_thread_dataEPNS0_16thread_data_baseE 305 } 306
