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macOS: harden volume discovery and FUSE-T teardown

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Run display discovery asynchronously and bound batched disk-image inventory
queries. Filter auxiliary mounts by basename, filesystem and owner, and
keep unresolved candidates separate from verified volumes. Allow targeted
dismounts despite incomplete discovery while requiring complete results
for slot allocation and empty-inventory decisions.

Use nonthrowing GUI snapshots with monotonic freshness, completion events
and safe window lifetimes. Suspend inactivity decisions while the snapshot
is stale, without restarting idle timers: activity counters are cumulative
per volume instance. Refresh logout targets and retry only failed ones.
Show a progress dialog for interactive unmounts, but keep automatic ones
synchronous, so a quit or logout request that arrives meanwhile is handled
afterwards rather than refused. Guard core operations against reentry and
route wait-dialog requests only from worker threads, so a main-thread
message cannot wait for itself.

Bind teardown to captured mount and service identities, including process
start time. Report a service exit that cannot be confirmed after auxiliary
mount removal as a distinct error that keeps the original details. Such
volumes are not retried, and a multi-volume unmount reports all of them
together with any other failure or a declined prompt. Warn about it after
automatic unmounts and at quit, and keep the background application until
the warning is acknowledged. Keep rollback responsive, and let services
remove their auxiliary directories without probing mounted paths. Preserve
released /control compatibility and perform best-effort cleanup for older
services.

Reap bounded subprocesses as soon as their output ends. A child that
survives SIGKILL is reaped by a later call, which starts no new child until
then. Keep subjects and subprocess command, status and error output when
formatting exceptions for wrapping and logs. Clarify discovery and rollback
diagnostics. Fix the localization-dependent busy-volume regression
assertion and extend discovery, snapshot, process identity, cleanup, GUI
lifecycle, inactivity and teardown coverage.
This commit is contained in:
Mounir IDRASSI
2026-09-28 03:17:28 +02:00
parent aedb2ef863
commit 596beb82a1
38 changed files with 2551 additions and 311 deletions
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doc/html/en/Release Notes.html
+12
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@@ -34,6 +34,18 @@
<div class="wikidoc">
<h1>Release Notes</h1>
<p><strong>Unreleased changes</strong></p>
<ul>
<li><strong>Linux, macOS and BSD:</strong> Non-interactive unmount commands return a nonzero exit status when a busy volume cannot be unmounted. Scripts should check the exit status before treating a volume as locked.</li>
<li><strong>macOS:</strong>
<ul>
<li>Improve FUSE-T startup rollback and unmount cleanup, and report when service termination cannot be confirmed.</li>
<li>Keep volume status refresh and interactive unmount waits off the main window thread, and limit disk-image inventory queries to one per refresh with a timeout.</li>
<li>Distinguish unavailable volume status and detached disk images in the volume list.</li>
</ul>
</li>
</ul>
<p>
<strong>Note to users who created volumes with 1.17 version of VeraCrypt or earlier: </strong><br/>
<span style="color:#ff0000;">To avoid hinting whether your volumes contain a hidden volume or not, or if you depend on plausible deniability when using hidden volumes/OS, then you must recreate both the outer and hidden volumes including system encryption and hidden OS, discarding existing volumes created prior to 1.18a version of VeraCrypt.</span></li>