297 // trigger additional out-of-memory conditions
298 if (tty != NULL) {
299 char klass_name[256];
300 char tmp_sig_name[16];
301 const char* sig_name = "UNKNOWN";
302 InstanceKlass::cast(PENDING_EXCEPTION->klass())->
303 name()->as_klass_external_name(klass_name, 256);
304 if (os::exception_name(sig, tmp_sig_name, 16) != NULL)
305 sig_name = tmp_sig_name;
306 warning("Exception %s occurred dispatching signal %s to handler"
307 "- the VM may need to be forcibly terminated",
308 klass_name, sig_name );
309 }
310 CLEAR_PENDING_EXCEPTION;
311 }
312 }
313 }
314 }
315 }
316
317
318 void os::signal_init() {
319 if (!ReduceSignalUsage) {
320 // Setup JavaThread for processing signals
321 EXCEPTION_MARK;
322 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, CHECK);
323 instanceKlassHandle klass (THREAD, k);
324 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK);
325
326 const char thread_name[] = "Signal Dispatcher";
327 Handle string = java_lang_String::create_from_str(thread_name, CHECK);
328
329 // Initialize thread_oop to put it into the system threadGroup
330 Handle thread_group (THREAD, Universe::system_thread_group());
331 JavaValue result(T_VOID);
332 JavaCalls::call_special(&result, thread_oop,
333 klass,
334 vmSymbols::object_initializer_name(),
335 vmSymbols::threadgroup_string_void_signature(),
336 thread_group,
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297 // trigger additional out-of-memory conditions
298 if (tty != NULL) {
299 char klass_name[256];
300 char tmp_sig_name[16];
301 const char* sig_name = "UNKNOWN";
302 InstanceKlass::cast(PENDING_EXCEPTION->klass())->
303 name()->as_klass_external_name(klass_name, 256);
304 if (os::exception_name(sig, tmp_sig_name, 16) != NULL)
305 sig_name = tmp_sig_name;
306 warning("Exception %s occurred dispatching signal %s to handler"
307 "- the VM may need to be forcibly terminated",
308 klass_name, sig_name );
309 }
310 CLEAR_PENDING_EXCEPTION;
311 }
312 }
313 }
314 }
315 }
316
317 void os::init_ergo() {
318 // We need to initialize large page support here because ergonomics takes some
319 // decisions depending on large page support and the calculated large page size.
320 large_page_init();
321 }
322
323 void os::signal_init() {
324 if (!ReduceSignalUsage) {
325 // Setup JavaThread for processing signals
326 EXCEPTION_MARK;
327 Klass* k = SystemDictionary::resolve_or_fail(vmSymbols::java_lang_Thread(), true, CHECK);
328 instanceKlassHandle klass (THREAD, k);
329 instanceHandle thread_oop = klass->allocate_instance_handle(CHECK);
330
331 const char thread_name[] = "Signal Dispatcher";
332 Handle string = java_lang_String::create_from_str(thread_name, CHECK);
333
334 // Initialize thread_oop to put it into the system threadGroup
335 Handle thread_group (THREAD, Universe::system_thread_group());
336 JavaValue result(T_VOID);
337 JavaCalls::call_special(&result, thread_oop,
338 klass,
339 vmSymbols::object_initializer_name(),
340 vmSymbols::threadgroup_string_void_signature(),
341 thread_group,
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