59 # include "thread_bsd.inline.hpp"
  60 #endif
  61 
  62 void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp,
  63   bool clear_all_softrefs) {
  64   assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint");
  65 
  66   GenCollectedHeap* gch = GenCollectedHeap::heap();
  67 #ifdef ASSERT
  68   if (gch->collector_policy()->should_clear_all_soft_refs()) {
  69     assert(clear_all_softrefs, "Policy should have been checked earlier");
  70   }
  71 #endif
  72 
  73   // hook up weak ref data so it can be used during Mark-Sweep
  74   assert(ref_processor() == NULL, "no stomping");
  75   assert(rp != NULL, "should be non-NULL");
  76   _ref_processor = rp;
  77   rp->setup_policy(clear_all_softrefs);
  78 
  79   TraceTime t1("Full GC", PrintGC && !PrintGCDetails, true, gclog_or_tty);
  80 
  81   // When collecting the permanent generation methodOops may be moving,
  82   // so we either have to flush all bcp data or convert it into bci.
  83   CodeCache::gc_prologue();
  84   Threads::gc_prologue();
  85 
  86   // Increment the invocation count for the permanent generation, since it is
  87   // implicitly collected whenever we do a full mark sweep collection.
  88   gch->perm_gen()->stat_record()->invocations++;
  89 
  90   // Capture heap size before collection for printing.
  91   size_t gch_prev_used = gch->used();
  92 
  93   // Some of the card table updates below assume that the perm gen is
  94   // also being collected.
  95   assert(level == gch->n_gens() - 1,
  96          "All generations are being collected, ergo perm gen too.");
  97 
  98   // Capture used regions for each generation that will be
  99   // subject to collection, so that card table adjustments can

  59 # include "thread_bsd.inline.hpp"
  60 #endif
  61 
  62 void GenMarkSweep::invoke_at_safepoint(int level, ReferenceProcessor* rp,
  63   bool clear_all_softrefs) {
  64   assert(SafepointSynchronize::is_at_safepoint(), "must be at a safepoint");
  65 
  66   GenCollectedHeap* gch = GenCollectedHeap::heap();
  67 #ifdef ASSERT
  68   if (gch->collector_policy()->should_clear_all_soft_refs()) {
  69     assert(clear_all_softrefs, "Policy should have been checked earlier");
  70   }
  71 #endif
  72 
  73   // hook up weak ref data so it can be used during Mark-Sweep
  74   assert(ref_processor() == NULL, "no stomping");
  75   assert(rp != NULL, "should be non-NULL");
  76   _ref_processor = rp;
  77   rp->setup_policy(clear_all_softrefs);
  78 
  79   TraceTime t1(GCCauseString("Full GC", gch->gc_cause()), PrintGC && !PrintGCDetails, true, gclog_or_tty);
  80 
  81   // When collecting the permanent generation methodOops may be moving,
  82   // so we either have to flush all bcp data or convert it into bci.
  83   CodeCache::gc_prologue();
  84   Threads::gc_prologue();
  85 
  86   // Increment the invocation count for the permanent generation, since it is
  87   // implicitly collected whenever we do a full mark sweep collection.
  88   gch->perm_gen()->stat_record()->invocations++;
  89 
  90   // Capture heap size before collection for printing.
  91   size_t gch_prev_used = gch->used();
  92 
  93   // Some of the card table updates below assume that the perm gen is
  94   // also being collected.
  95   assert(level == gch->n_gens() - 1,
  96          "All generations are being collected, ergo perm gen too.");
  97 
  98   // Capture used regions for each generation that will be
  99   // subject to collection, so that card table adjustments can