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Request #73340 SHMOP: Access to SHM_LOCK, SHM_UNLOCK
Submitted: 2016-10-18 18:11 UTC Modified: -
From: narf at devilix dot net Assigned:
Status: Open Package: POSIX related
PHP Version: Irrelevant OS:
Private report: No CVE-ID: None
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 [2016-10-18 18:11 UTC] narf at devilix dot net 
Description:
------------
I was looking for a way to store encryption keys in (guaranteed to be non-swap) memory, and apparently setting the SHM_LOCK flag on a shared memory segment seems to be the only way to do that.

Obviously, PHP doesn't expose shmctl() directly and that's probably for a good reason, but can we have something like shmop_lock(), or an optional parameter to shmop_open()?

(on a related note, shmop_stat() would be nice too)

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