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8269652: Factor out the common code for creating system j.l.Thread objects

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Reviewed-by: coleenp, dcubed, kvn, xliu
This commit is contained in:
David Holmes 2021-07-04 21:58:16 +00:00
parent 17f53f2f9c
commit 390d1025ca
8 changed files with 53 additions and 97 deletions
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22
src/hotspot/share/runtime/os.cpp
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@ -469,26 +469,8 @@ void os::init_before_ergo() {
void os::initialize_jdk_signal_support(TRAPS) {
if (!ReduceSignalUsage) {
// Setup JavaThread for processing signals
const char thread_name[] = "Signal Dispatcher";
Handle string = java_lang_String::create_from_str(thread_name, CHECK);
// Initialize thread_oop to put it into the system threadGroup
Handle thread_group (THREAD, Universe::system_thread_group());
Handle thread_oop = JavaCalls::construct_new_instance(vmClasses::Thread_klass(),
vmSymbols::threadgroup_string_void_signature(),
thread_group,
string,
CHECK);
Klass* group = vmClasses::ThreadGroup_klass();
JavaValue result(T_VOID);
JavaCalls::call_special(&result,
thread_group,
group,
vmSymbols::add_method_name(),
vmSymbols::thread_void_signature(),
thread_oop,
CHECK);
const char* name = "Signal Dispatcher";
Handle thread_oop = JavaThread::create_system_thread_object(name, true /* visible */, CHECK);
JavaThread* thread = new JavaThread(&signal_thread_entry);
JavaThread::vm_exit_on_osthread_failure(thread);