Integrated: 8291060: OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE

Gerard Ziemski gziemski at openjdk.org
Mon Aug 1 16:10:10 UTC 2022


On Tue, 26 Jul 2022 21:54:11 GMT, Gerard Ziemski <gziemski at openjdk.org> wrote:

> On macOS we are currently using setrlimit(RLIMIT_NOFILE, OPEN_MAX) for MaxFDLimit (it's ON by default), but we can go higher than that. 
> 
> My own testing on macOS 12.3.1 reveals that we can ask for setrlimit(RLIMIT_NOFILE, RLIM_INFINITY), though in reality we will get back 32765, which is still more than OPEN_MAX (10240)

This pull request has now been integrated.

Changeset: 1df77ec1
Author:    Gerard Ziemski <gziemski at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/1df77ec1375fd3260c683ac77e5f17676fbff944
Stats:     19 lines in 1 file changed: 11 ins; 8 del; 0 mod

8291060: OPEN_MAX is no longer the max limit on macOS >= 10.6 for RLIMIT_NOFILE

Reviewed-by: dholmes, dcubed

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PR: https://git.openjdk.org/jdk/pull/9650


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