1.1 --- a/src/share/vm/runtime/sweeper.cpp Wed Feb 15 10:12:55 2012 -0800
1.2 +++ b/src/share/vm/runtime/sweeper.cpp Wed Feb 15 12:32:03 2012 -0800
1.3 @@ -266,7 +266,17 @@
1.4
1.5 // The last invocation iterates until there are no more nmethods
1.6 for (int i = 0; (i < todo || _invocations == 1) && _current != NULL; i++) {
1.7 + if (SafepointSynchronize::is_synchronizing()) { // Safepoint request
1.8 + if (PrintMethodFlushing && Verbose) {
1.9 + tty->print_cr("### Sweep at %d out of %d, invocation: %d, yielding to safepoint", _seen, CodeCache::nof_nmethods(), _invocations);
1.10 + }
1.11 + MutexUnlockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
1.12
1.13 + assert(Thread::current()->is_Java_thread(), "should be java thread");
1.14 + JavaThread* thread = (JavaThread*)Thread::current();
1.15 + ThreadBlockInVM tbivm(thread);
1.16 + thread->java_suspend_self();
1.17 + }
1.18 // Since we will give up the CodeCache_lock, always skip ahead
1.19 // to the next nmethod. Other blobs can be deleted by other
1.20 // threads but nmethods are only reclaimed by the sweeper.
