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src/hotspot/share/prims/whitebox.cpp
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rev 57595 : v2.09a with 8235795, 8235931 and 8236035 extracted; rebased to jdk-14+28; merge with 8236035.patch.cr1; merge with 8235795.patch.cr1; merge with 8236035.patch.cr2; merge with 8235795.patch.cr2; merge with 8235795.patch.cr3.
@@ -69,10 +69,11 @@
#include "runtime/interfaceSupport.inline.hpp"
#include "runtime/javaCalls.hpp"
#include "runtime/jniHandles.inline.hpp"
#include "runtime/os.hpp"
#include "runtime/sweeper.hpp"
+#include "runtime/synchronizer.hpp"
#include "runtime/thread.hpp"
#include "runtime/threadSMR.hpp"
#include "runtime/vm_version.hpp"
#include "services/memoryService.hpp"
#include "utilities/align.hpp"
@@ -461,10 +462,16 @@
THROW_MSG_0(vmSymbols::java_lang_UnsupportedOperationException(), "WB_G1InConcurrentMark: G1 GC is not enabled");
WB_END
WB_ENTRY(jboolean, WB_G1StartMarkCycle(JNIEnv* env, jobject o))
if (UseG1GC) {
+ if (AsyncDeflateIdleMonitors) {
+ // AsyncDeflateIdleMonitors needs to know when System.gc() or
+ // the equivalent is called so any special clean up can be done
+ // at a safepoint, e.g., TestHumongousClassLoader.java.
+ ObjectSynchronizer::set_is_special_deflation_requested(true);
+ }
G1CollectedHeap* g1h = G1CollectedHeap::heap();
if (!g1h->concurrent_mark()->cm_thread()->during_cycle()) {
g1h->collect(GCCause::_wb_conc_mark);
return true;
}
@@ -1417,10 +1424,16 @@
jchar* name = java_lang_String::as_unicode_string(JNIHandles::resolve(javaString), len, CHECK_false);
return (StringTable::lookup(name, len) != NULL);
WB_END
WB_ENTRY(void, WB_FullGC(JNIEnv* env, jobject o))
+ if (AsyncDeflateIdleMonitors) {
+ // AsyncDeflateIdleMonitors needs to know when System.gc() or
+ // the equivalent is called so any special clean up can be done
+ // at a safepoint, e.g., TestHumongousClassLoader.java.
+ ObjectSynchronizer::set_is_special_deflation_requested(true);
+ }
Universe::heap()->soft_ref_policy()->set_should_clear_all_soft_refs(true);
Universe::heap()->collect(GCCause::_wb_full_gc);
#if INCLUDE_G1GC
if (UseG1GC) {
// Needs to be cleared explicitly for G1
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