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Prevent multiple BoilR instances from running simultaneously using a lock file with PID checking. This avoids potential data corruption when two instances try to modify Steam shortcuts concurrently. The lock file is stored in the config folder (boilr.lock) and contains the PID of the running instance. On startup, if a lock file exists, we check whether the process is still alive using sysinfo before deciding to block or take over the lock. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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PhilipK
approved these changes
Feb 2, 2026
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Summary
src/single_instance.rswith lock file + PID checking mechanismsysinfodependency for cross-platform process detectionboilr.lock), cleaned up on exitHow it works
On startup, BoilR creates a lock file containing its PID. If a lock file already exists, it checks whether the process is still alive. If it is, BoilR exits with a message. If the old process is gone (stale lock), it takes over the lock.
Test plan
🤖 Generated with Claude Code