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Today if `libffi` cannot allocate pages of memory which are both writeable and executable then it will attempt to write code to a temporary file. Elasticsearch configures itself a suitable temporary directory for use by JNA but by default `libffi` won't find this directory and will try various other places. In certain configurations, none of the other places that `libffi` tries are suitable. With older versions of JNA this would result in a `SIGSEGV`; since #80617 the JVM will exit with an exception. With this commit we use the `LIBFFI_TMPDIR` environment variable to configure `libffi` to use the same directory as JNA for its temporary files if they are needed. Closes #18272 Closes #73309 Closes #74545 Closes #77014 Closes #77053 Relates #77285 Co-authored-by: Rory Hunter <roryhunter2@gmail.com> |
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| .. | ||
| configuring.asciidoc | ||
| dns-cache.asciidoc | ||
| executable-jna-tmpdir.asciidoc | ||
| file-descriptors.asciidoc | ||
| swap.asciidoc | ||
| tcpretries.asciidoc | ||
| threads.asciidoc | ||
| virtual-memory.asciidoc | ||