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hotspot/src/share/vm/runtime/thread.hpp
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rev 7151 : 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
*** 1,7 ****
/*
! * Copyright (c) 1997, 2014, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
--- 1,7 ----
/*
! * Copyright (c) 1997, 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
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
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--- 924,936 ----
volatile int _is_method_handle_return; // true (== 1) if the current exception PC is a MethodHandle call site.
// support for JNI critical regions
jint _jni_active_critical; // count of entries into JNI critical region
+ // Checked JNI: function name requires exception check
+ char* _pending_jni_exception_check_fn;
+
// For deadlock detection.
int _depth_first_number;
// JVMTI PopFrame support
// This is set to popframe_pending to signal that top Java frame should be popped immediately
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--- 1409,1424 ----
"this must be current thread");
_jni_active_critical--;
assert(_jni_active_critical >= 0,
"JNI critical nesting problem?"); }
+ // Checked JNI, is the programmer required to check for exceptions, specify which function name
+ bool is_pending_jni_exception_check() const { return _pending_jni_exception_check_fn != NULL; }
+ void clear_pending_jni_exception_check() { _pending_jni_exception_check_fn = NULL; }
+ const char* get_pending_jni_exception_check() const { return _pending_jni_exception_check_fn; }
+ void set_pending_jni_exception_check(const char* fn_name) { _pending_jni_exception_check_fn = (char*) fn_name; }
+
// For deadlock detection
int depth_first_number() { return _depth_first_number; }
void set_depth_first_number(int dfn) { _depth_first_number = dfn; }
private:
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