RFR: 6478546: FileInputStream.read() throws OutOfMemoryError when there is plenty available [v4]

[Brian Burkhalter]

> Limit native memory allocation and move write loop from the native layer into Java. This change should make the OOME reported in the issue much less likely.

Brian Burkhalter has updated the pull request incrementally with one additional commit since the last revision:

  6478546: do-while -> while-do in writeBytes; remove NULL and bounds checks in native

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Changes:
  - all: https://git.openjdk.org/jdk/pull/14981/files
  - new: https://git.openjdk.org/jdk/pull/14981/files/92649751..cdb8455c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=14981&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=14981&range=02-03

  Stats: 39 lines in 3 files changed: 1 ins; 33 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/14981.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/14981/head:pull/14981

PR: https://git.openjdk.org/jdk/pull/14981