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src/share/vm/gc/shared/gcId.cpp
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@@ -22,40 +22,30 @@
*
*/
#include "precompiled.hpp"
#include "gc/shared/gcId.hpp"
-#include "runtime/safepoint.hpp"
-#include "runtime/thread.inline.hpp"
uint GCId::_next_id = 0;
-
-NamedThread* currentNamedthread() {
- assert(Thread::current()->is_Named_thread(), "This thread must be NamedThread");
- return (NamedThread*)Thread::current();
-}
+uint GCId::_current_id = UNDEFINED;
const uint GCId::create() {
return _next_id++;
}
const uint GCId::current() {
- assert(currentNamedthread()->gc_id() != undefined(), "Using undefined GC id.");
- return current_raw();
-}
-
-const uint GCId::current_raw() {
- return currentNamedthread()->gc_id();
-}
-
-GCIdMark::GCIdMark() : _gc_id(GCId::create()) {
- currentNamedthread()->set_gc_id(_gc_id);
+ assert(_current_id != UNDEFINED, "Using undefined GC ID");
+ return _current_id;
}
-GCIdMark::GCIdMark(uint gc_id) : _gc_id(gc_id) {
- currentNamedthread()->set_gc_id(_gc_id);
+GCIdMark::GCIdMark() {
+ _previous_gc_id = GCId::_current_id;
+ uint gc_id = GCId::create();
+ GCId::set_current(gc_id);
+ DEBUG_ONLY(_gc_id = gc_id;)
}
GCIdMark::~GCIdMark() {
- currentNamedthread()->set_gc_id(GCId::undefined());
+ assert(_gc_id == GCId::_current_id, err_msg("GCIdMarks for %u and %u overlap.", _gc_id, GCId::_current_id));
+ GCId::set_current(_previous_gc_id);
}
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