hotspot/src/share/vm/memory/gcLocker.cpp

rev 611 : Merge

*** 1,10 ****
  #ifdef USE_PRAGMA_IDENT_SRC
  #pragma ident "@(#)gcLocker.cpp 1.52 07/05/17 15:54:45 JVM"
  #endif
  /*
!  * Copyright 1997-2007 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,10 ----
  #ifdef USE_PRAGMA_IDENT_SRC
  #pragma ident "@(#)gcLocker.cpp 1.52 07/05/17 15:54:45 JVM"
  #endif
  /*
!  * Copyright 1997-2008 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 33,42 ****
--- 33,48 ----
  volatile bool GC_locker::_needs_gc       = false;
  volatile bool GC_locker::_doing_gc       = false;
  
  void GC_locker::stall_until_clear() {
    assert(!JavaThread::current()->in_critical(), "Would deadlock");
+   if (PrintJNIGCStalls && PrintGCDetails) {
+     ResourceMark rm; // JavaThread::name() allocates to convert to UTF8
+     gclog_or_tty->print_cr(
+       "Allocation failed. Thread \"%s\" is stalled by JNI critical section.",
+       JavaThread::current()->name());
+   }
    MutexLocker   ml(JNICritical_lock);
    // Wait for _needs_gc  to be cleared
    while (GC_locker::needs_gc()) {
      JNICritical_lock->wait();
    }