RFR: 8330077: Allow max number of events to be buffered to be configurable to avoid OVERFLOW_EVENT

[Alan Bateman]

On Thu, 11 Apr 2024 12:22:56 GMT, Fabian Meumertzheim <duke at openjdk.org> wrote:

> The limit on the number of events buffered for a single `j.n.f.WatchKey` is now configurable via the `sun.nio.fs.maxWatchEvents`.

src/java.base/share/classes/sun/nio/fs/AbstractWatchKey.java line 44:

> 42:     static final int MAX_EVENT_LIST_SIZE =
> 43:         AccessController.doPrivileged((PrivilegedAction<Integer>) () ->
> 44:                 Integer.getInteger("sun.nio.fs.maxWatchEvents", 512));

If this system property is going to be used outside of the JDK testing then it will need to be renamed to a jdk.* property and we'll need to create a CSR.

Also the implementation should use GetPropertyAction.privilegedGetProperty.

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PR Review Comment: https://git.openjdk.org/jdk/pull/18739#discussion_r1560959614