1261 // or prohibited. Assign a compile_id to this compilation
1262 // and check to see if it is in our [Start..Stop) range.
1263 int compile_id = assign_compile_id(method, osr_bci);
1264 if (compile_id == 0) {
1265 // The compilation falls outside the allowed range.
1266 return;
1267 }
1268
1269 #if INCLUDE_JVMCI
1270 if (UseJVMCICompiler && blocking) {
1271 // Don't allow blocking compiles for requests triggered by JVMCI.
1272 if (thread->is_Compiler_thread()) {
1273 blocking = false;
1274 }
1275
1276 // In libjvmci, JVMCI initialization should not deadlock with other threads
1277 if (!UseJVMCINativeLibrary) {
1278 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1279 vframeStream vfst(JavaThread::cast(thread));
1280 for (; !vfst.at_end(); vfst.next()) {
1281 if (vfst.method()->is_static_initializer() ||
1282 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1283 vfst.method()->name() == vmSymbols::loadClass_name())) {
1284 blocking = false;
1285 break;
1286 }
1287 }
1288
1289 // Don't allow blocking compilation requests to JVMCI
1290 // if JVMCI itself is not yet initialized
1291 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1292 blocking = false;
1293 }
1294 }
1295
1296 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1297 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1298 // such as the DestroyJavaVM thread.
1299 if (JVMCI::in_shutdown()) {
1300 blocking = false;
1301 }
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1261 // or prohibited. Assign a compile_id to this compilation
1262 // and check to see if it is in our [Start..Stop) range.
1263 int compile_id = assign_compile_id(method, osr_bci);
1264 if (compile_id == 0) {
1265 // The compilation falls outside the allowed range.
1266 return;
1267 }
1268
1269 #if INCLUDE_JVMCI
1270 if (UseJVMCICompiler && blocking) {
1271 // Don't allow blocking compiles for requests triggered by JVMCI.
1272 if (thread->is_Compiler_thread()) {
1273 blocking = false;
1274 }
1275
1276 // In libjvmci, JVMCI initialization should not deadlock with other threads
1277 if (!UseJVMCINativeLibrary) {
1278 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1279 vframeStream vfst(JavaThread::cast(thread));
1280 for (; !vfst.at_end(); vfst.next()) {
1281 if (vfst.method()->is_class_initializer() ||
1282 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1283 vfst.method()->name() == vmSymbols::loadClass_name())) {
1284 blocking = false;
1285 break;
1286 }
1287 }
1288
1289 // Don't allow blocking compilation requests to JVMCI
1290 // if JVMCI itself is not yet initialized
1291 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1292 blocking = false;
1293 }
1294 }
1295
1296 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1297 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1298 // such as the DestroyJavaVM thread.
1299 if (JVMCI::in_shutdown()) {
1300 blocking = false;
1301 }
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