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This restricts the sessions that are allowed in parallel to one.TODO: Find a good way to drop the lock on destruction.
a-kenji
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Restrict running sessions to one concurrent one. Uses the `XDG_RUNTIME_DIR` to hold an exclusive runtime lock. The lock is automatically cleaned up upon exit. Falls back gracefully, if the variable is not set. An earlier implementation used the `fs4` crate, but now this functionality is in the `stdlib` since `rustc --version`: `1.89.0`. Closes: #179 Supercedes: #182
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Superceded by: #258 |
a-kenji
added a commit
that referenced
this pull request
Feb 5, 2026
Restrict running sessions to one concurrent one. Uses the `XDG_RUNTIME_DIR` to hold an exclusive runtime lock. The lock is automatically cleaned up upon exit. An earlier implementation used the `fs4` crate, but now this functionality is in the `stdlib` since `rustc --version`: `1.89.0`. Closes: #179 Supercedes: #182
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This restricts the sessions that are allowed in parallel to one.
TODO:
ctrl-cin the terminal, currently the lockfile will not be cleaned up.fs4to hold exclusive lock