1232 // or prohibited. Assign a compile_id to this compilation
1233 // and check to see if it is in our [Start..Stop) range.
1234 int compile_id = assign_compile_id(method, osr_bci);
1235 if (compile_id == 0) {
1236 // The compilation falls outside the allowed range.
1237 return;
1238 }
1239
1240 #if INCLUDE_JVMCI
1241 if (UseJVMCICompiler && blocking) {
1242 // Don't allow blocking compiles for requests triggered by JVMCI.
1243 if (thread->is_Compiler_thread()) {
1244 blocking = false;
1245 }
1246
1247 // In libjvmci, JVMCI initialization should not deadlock with other threads
1248 if (!UseJVMCINativeLibrary) {
1249 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1250 vframeStream vfst(JavaThread::cast(thread));
1251 for (; !vfst.at_end(); vfst.next()) {
1252 if (vfst.method()->is_static_initializer() ||
1253 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1254 vfst.method()->name() == vmSymbols::loadClass_name())) {
1255 blocking = false;
1256 break;
1257 }
1258 }
1259
1260 // Don't allow blocking compilation requests to JVMCI
1261 // if JVMCI itself is not yet initialized
1262 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1263 blocking = false;
1264 }
1265 }
1266
1267 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1268 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1269 // such as the DestroyJavaVM thread.
1270 if (JVMCI::in_shutdown()) {
1271 blocking = false;
1272 }
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1232 // or prohibited. Assign a compile_id to this compilation
1233 // and check to see if it is in our [Start..Stop) range.
1234 int compile_id = assign_compile_id(method, osr_bci);
1235 if (compile_id == 0) {
1236 // The compilation falls outside the allowed range.
1237 return;
1238 }
1239
1240 #if INCLUDE_JVMCI
1241 if (UseJVMCICompiler && blocking) {
1242 // Don't allow blocking compiles for requests triggered by JVMCI.
1243 if (thread->is_Compiler_thread()) {
1244 blocking = false;
1245 }
1246
1247 // In libjvmci, JVMCI initialization should not deadlock with other threads
1248 if (!UseJVMCINativeLibrary) {
1249 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1250 vframeStream vfst(JavaThread::cast(thread));
1251 for (; !vfst.at_end(); vfst.next()) {
1252 if (vfst.method()->is_class_initializer() ||
1253 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1254 vfst.method()->name() == vmSymbols::loadClass_name())) {
1255 blocking = false;
1256 break;
1257 }
1258 }
1259
1260 // Don't allow blocking compilation requests to JVMCI
1261 // if JVMCI itself is not yet initialized
1262 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1263 blocking = false;
1264 }
1265 }
1266
1267 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1268 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1269 // such as the DestroyJavaVM thread.
1270 if (JVMCI::in_shutdown()) {
1271 blocking = false;
1272 }
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