Mercurial > hg > graal-jvmci-8
diff src/share/vm/runtime/jniHandles.cpp @ 22877:d68158e12cea
8043224: -Xcheck:jni improvements to exception checking and excessive local refs
Summary: Warning when not checking exceptions from function that require so, also when local refs expand beyond capacity.
Reviewed-by: dsimms
author | poonam |
---|---|
date | Wed, 11 Mar 2015 13:36:57 -0700 |
parents | 78bbf4d43a14 |
children | dd9cc155639c |
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--- a/src/share/vm/runtime/jniHandles.cpp Mon Mar 02 13:40:40 2015 +0100 +++ b/src/share/vm/runtime/jniHandles.cpp Wed Mar 11 13:36:57 2015 -0700 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1998, 2014, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 1998, 2015, Oracle and/or its affiliates. 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 @@ -296,6 +296,7 @@ block->_top = 0; block->_next = NULL; block->_pop_frame_link = NULL; + block->_planned_capacity = block_size_in_oops; // _last, _free_list & _allocate_before_rebuild initialized in allocate_handle debug_only(block->_last = NULL); debug_only(block->_free_list = NULL); @@ -529,6 +530,12 @@ return result; } +const size_t JNIHandleBlock::get_number_of_live_handles() { + CountHandleClosure counter; + oops_do(&counter); + return counter.count(); +} + // This method is not thread-safe, i.e., must be called whule holding a lock on the // structure. long JNIHandleBlock::memory_usage() const {