[jdk9] (S) RFR: 8165463: Native implementation of sunmscapi should use operator new (nothrow) for allocations

Ivan Gerasimov ivan.gerasimov at oracle.com
Mon Sep 5 19:53:24 UTC 2016


Hello!

In the native layer of sunmscapi provider, for memory allocations the 
::operator new() is used.
In (a very unlikely) case of failure, it will raise a C++ exception of 
type bad_alloc, which is bad, as we don't have handling code.

One simple way to improve the situation would be to use ::operator new 
(std::nothrow), which will just return zero to indicate a failure 
instead of throwing an exception.
Then we can (try to) throw a Java exception of type OutOfMemoryError.

Would you please help review the fix?

BUGURL: https://bugs.openjdk.java.net/browse/JDK-8165463
WEBREV: http://cr.openjdk.java.net/~igerasim/8165463/00/webrev/

Comments/suggestions are very welcome.

With kind regards,
Ivan




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