1271 // or prohibited. Assign a compile_id to this compilation
1272 // and check to see if it is in our [Start..Stop) range.
1273 int compile_id = assign_compile_id(method, osr_bci);
1274 if (compile_id == 0) {
1275 // The compilation falls outside the allowed range.
1276 return;
1277 }
1278
1279 #if INCLUDE_JVMCI
1280 if (UseJVMCICompiler && blocking) {
1281 // Don't allow blocking compiles for requests triggered by JVMCI.
1282 if (thread->is_Compiler_thread()) {
1283 blocking = false;
1284 }
1285
1286 // In libjvmci, JVMCI initialization should not deadlock with other threads
1287 if (!UseJVMCINativeLibrary) {
1288 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1289 vframeStream vfst(JavaThread::cast(thread));
1290 for (; !vfst.at_end(); vfst.next()) {
1291 if (vfst.method()->is_static_initializer() ||
1292 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1293 vfst.method()->name() == vmSymbols::loadClass_name())) {
1294 blocking = false;
1295 break;
1296 }
1297 }
1298
1299 // Don't allow blocking compilation requests to JVMCI
1300 // if JVMCI itself is not yet initialized
1301 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1302 blocking = false;
1303 }
1304 }
1305
1306 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1307 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1308 // such as the DestroyJavaVM thread.
1309 if (JVMCI::in_shutdown()) {
1310 blocking = false;
1311 }
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1271 // or prohibited. Assign a compile_id to this compilation
1272 // and check to see if it is in our [Start..Stop) range.
1273 int compile_id = assign_compile_id(method, osr_bci);
1274 if (compile_id == 0) {
1275 // The compilation falls outside the allowed range.
1276 return;
1277 }
1278
1279 #if INCLUDE_JVMCI
1280 if (UseJVMCICompiler && blocking) {
1281 // Don't allow blocking compiles for requests triggered by JVMCI.
1282 if (thread->is_Compiler_thread()) {
1283 blocking = false;
1284 }
1285
1286 // In libjvmci, JVMCI initialization should not deadlock with other threads
1287 if (!UseJVMCINativeLibrary) {
1288 // Don't allow blocking compiles if inside a class initializer or while performing class loading
1289 vframeStream vfst(JavaThread::cast(thread));
1290 for (; !vfst.at_end(); vfst.next()) {
1291 if (vfst.method()->is_class_initializer() ||
1292 (vfst.method()->method_holder()->is_subclass_of(vmClasses::ClassLoader_klass()) &&
1293 vfst.method()->name() == vmSymbols::loadClass_name())) {
1294 blocking = false;
1295 break;
1296 }
1297 }
1298
1299 // Don't allow blocking compilation requests to JVMCI
1300 // if JVMCI itself is not yet initialized
1301 if (!JVMCI::is_compiler_initialized() && compiler(comp_level)->is_jvmci()) {
1302 blocking = false;
1303 }
1304 }
1305
1306 // Don't allow blocking compilation requests if we are in JVMCIRuntime::shutdown
1307 // to avoid deadlock between compiler thread(s) and threads run at shutdown
1308 // such as the DestroyJavaVM thread.
1309 if (JVMCI::in_shutdown()) {
1310 blocking = false;
1311 }
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