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8258837: Remove JVM option DisableStartThread

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Reviewed-by: kbarrett, dcubed
This commit is contained in:
Harold Seigel 2020-12-23 14:45:13 +00:00
parent a4e082e985
commit 244573509d
2 changed files with 10 additions and 18 deletions
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22
src/hotspot/share/runtime/thread.cpp
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@ -495,17 +495,15 @@ void Thread::set_priority(Thread* thread, ThreadPriority priority) {
void Thread::start(Thread* thread) {
// Start is different from resume in that its safety is guaranteed by context or
// being called from a Java method synchronized on the Thread object.
if (!DisableStartThread) {
if (thread->is_Java_thread()) {
// Initialize the thread state to RUNNABLE before starting this thread.
// Can not set it after the thread started because we do not know the
// exact thread state at that time. It could be in MONITOR_WAIT or
// in SLEEPING or some other state.
java_lang_Thread::set_thread_status(thread->as_Java_thread()->threadObj(),
JavaThreadStatus::RUNNABLE);
}
os::start_thread(thread);
if (thread->is_Java_thread()) {
// Initialize the thread state to RUNNABLE before starting this thread.
// Can not set it after the thread started because we do not know the
// exact thread state at that time. It could be in MONITOR_WAIT or
// in SLEEPING or some other state.
java_lang_Thread::set_thread_status(thread->as_Java_thread()->threadObj(),
JavaThreadStatus::RUNNABLE);
}
os::start_thread(thread);
}
class InstallAsyncExceptionClosure : public HandshakeClosure {
@ -1230,9 +1228,7 @@ WatcherThread::WatcherThread() : NonJavaThread() {
// If the VMThread's priority is not lower than the WatcherThread profiling
// will be inaccurate.
os::set_priority(this, MaxPriority);
if (!DisableStartThread) {
os::start_thread(this);
}
os::start_thread(this);
}
}