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Message-ID: <CAHSMefinBKvwuWOei+uvF3OUafR-qrCJ471vituvBbDd=W-o3A@mail.gmail.com>
Date: Tue, 29 Sep 2020 09:31:12 -0700
From: Leonid Shamis <leonid.shamis@...il.com>
To: musl@...ts.openwall.com
Subject: Robust mutex returning ESRCH
We had a bug in our code where a dying process released shared memory
(munmap) prior to exit. The process held ownership of a robust mutex within
the shared memory, and because the address was unmapped, the robust_list
wasn't able to set the appropriate flags.
The next attempt to lock the mutex, in another process, returned ESRCH.
Should ESRCH be caughtand converted to either a recoverable EOWNERDEAD or
ENOTRECOVERABLE?
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