hotspot/src/share/vm/memory/universe.cpp
changeset 33976 160793725e6f
parent 33230 23bb11a5cf4e
parent 33971 d67c7d278ecc
child 33980 cbd63978deb5
equal deleted inserted replaced
33428:8077fd2f055d 33976:160793725e6f
   352   // ---
   352   // ---
   353   // New
   353   // New
   354   // Have already been initialized.
   354   // Have already been initialized.
   355   _objectArrayKlassObj->append_to_sibling_list();
   355   _objectArrayKlassObj->append_to_sibling_list();
   356 
   356 
   357   // Compute is_jdk version flags.
       
   358   // Only 1.3 or later has the java.lang.Shutdown class.
       
   359   // Only 1.4 or later has the java.lang.CharSequence interface.
       
   360   // Only 1.5 or later has the java.lang.management.MemoryUsage class.
       
   361   if (JDK_Version::is_partially_initialized()) {
       
   362     uint8_t jdk_version;
       
   363     Klass* k = SystemDictionary::resolve_or_null(
       
   364         vmSymbols::java_lang_management_MemoryUsage(), THREAD);
       
   365     CLEAR_PENDING_EXCEPTION; // ignore exceptions
       
   366     if (k == NULL) {
       
   367       k = SystemDictionary::resolve_or_null(
       
   368           vmSymbols::java_lang_CharSequence(), THREAD);
       
   369       CLEAR_PENDING_EXCEPTION; // ignore exceptions
       
   370       if (k == NULL) {
       
   371         k = SystemDictionary::resolve_or_null(
       
   372             vmSymbols::java_lang_Shutdown(), THREAD);
       
   373         CLEAR_PENDING_EXCEPTION; // ignore exceptions
       
   374         if (k == NULL) {
       
   375           jdk_version = 2;
       
   376         } else {
       
   377           jdk_version = 3;
       
   378         }
       
   379       } else {
       
   380         jdk_version = 4;
       
   381       }
       
   382     } else {
       
   383       jdk_version = 5;
       
   384     }
       
   385     JDK_Version::fully_initialize(jdk_version);
       
   386   }
       
   387 
       
   388   #ifdef ASSERT
   357   #ifdef ASSERT
   389   if (FullGCALot) {
   358   if (FullGCALot) {
   390     // Allocate an array of dummy objects.
   359     // Allocate an array of dummy objects.
   391     // We'd like these to be at the bottom of the old generation,
   360     // We'd like these to be at the bottom of the old generation,
   392     // so that when we free one and then collect,
   361     // so that when we free one and then collect,