static void jthread_remove_owned_monitor(jobject monitor)
{
vm_thread_t vm_thread = jthread_self_vm_thread();
assert(vm_thread);
jvmti_thread_t jvmti_thread = &vm_thread->jvmti_thread;
if (!jvmti_thread) {
// nothing to do
return;
}
CTRACE(("TM: remove owned monitor: %x", monitor));
for (int i = jvmti_thread->owned_monitors_nmb - 1; i >= 0; i--) {
if (vm_objects_are_equal(jvmti_thread->owned_monitors[i], monitor)) {
int disable_status = hythread_reset_suspend_disable();
vm_thread->jni_env->DeleteGlobalRef(jvmti_thread->owned_monitors[i]);
hythread_set_suspend_disable(disable_status);
int j;
for (j = i; j < jvmti_thread->owned_monitors_nmb - 1; j++) {
jvmti_thread->owned_monitors[j] =
jvmti_thread->owned_monitors[j + 1];
}
jvmti_thread->owned_monitors[j] = NULL;
jvmti_thread->owned_monitors_nmb--;
return;
}
}
} // jthread_remove_owned_monitor
int
jthread_find_deads(jobject thread, jobject *deads, int base, int top)
{
for (int i = 0; i < top; i++) {
if (vm_objects_are_equal(thread, deads[i])) {
return 1;
}
}
return 0;
}
/**
* Returns true if specified thread holds the lock associated with the given monitor.
*
* @param[in] thread thread which may hold the lock
* @param[in] monitor object those monitor is possibly locked
* @return true if thread holds the lock, false otherwise;
*/
jboolean VMCALL jthread_holds_lock(jthread thread, jobject monitor)
{
jthread lock_owner;
IDATA status = jthread_get_lock_owner(monitor, &lock_owner);
assert(status == TM_ERROR_NONE);
hythread_suspend_disable();
jboolean result = vm_objects_are_equal(thread, lock_owner);
hythread_suspend_enable();
return result;
} // jthread_holds_lock