1231 // or prohibited. Assign a compile_id to this compilation
1232 // and check to see if it is in our [Start..Stop) range.
1233 int compile_id = assign_compile_id(method, osr_bci);
1234 if (compile_id == 0) {
1235 // The compilation falls outside the allowed range.
1236 return;
1237 }
1238
1239 #if INCLUDE_JVMCI
1240 if (UseJVMCICompiler && blocking) {
1241 // Don't allow blocking compiles for requests triggered by JVMCI.
1242 if (thread->is_Compiler_thread()) {
1243 blocking = false;
1244 }
1245
1246 // In libjvmci, JVMCI initialization should not deadlock with other threads
1247 if (!UseJVMCINativeLibrary) {
1248 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1249 vframeStream vfst(JavaThread::cast(thread));
1250 for (; !vfst.at_end(); vfst.next()) {
1251 if (vfst.method()->is_static_initializer() ||
1252 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1253 vfst.method()->name() == vmSymbols::loadClass_name())) {
1254 blocking = false;
1255 break;
1256 }
1257 }
1258
1259 // Don't allow blocking compilation requests to JVMCI
1260 // if JVMCI itself is not yet initialized
1261 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1262 blocking = false;
1263 }
1264 }
1265
1266 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1267 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1268 // such as the DestroyJavaVM thread.
1269 if (JVMCI::in_shutdown()) {
1270 blocking = false;
1271 }
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1231 // or prohibited. Assign a compile_id to this compilation
1232 // and check to see if it is in our [Start..Stop) range.
1233 int compile_id = assign_compile_id(method, osr_bci);
1234 if (compile_id == 0) {
1235 // The compilation falls outside the allowed range.
1236 return;
1237 }
1238
1239 #if INCLUDE_JVMCI
1240 if (UseJVMCICompiler && blocking) {
1241 // Don't allow blocking compiles for requests triggered by JVMCI.
1242 if (thread->is_Compiler_thread()) {
1243 blocking = false;
1244 }
1245
1246 // In libjvmci, JVMCI initialization should not deadlock with other threads
1247 if (!UseJVMCINativeLibrary) {
1248 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1249 vframeStream vfst(JavaThread::cast(thread));
1250 for (; !vfst.at_end(); vfst.next()) {
1251 if (vfst.method()->is_class_initializer() ||
1252 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1253 vfst.method()->name() == vmSymbols::loadClass_name())) {
1254 blocking = false;
1255 break;
1256 }
1257 }
1258
1259 // Don't allow blocking compilation requests to JVMCI
1260 // if JVMCI itself is not yet initialized
1261 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1262 blocking = false;
1263 }
1264 }
1265
1266 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1267 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1268 // such as the DestroyJavaVM thread.
1269 if (JVMCI::in_shutdown()) {
1270 blocking = false;
1271 }
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