# Changes ## v1.0.3 * handle the case where callback is not passed by user ## v1.0.2 * git ignore coverage and node_modules * update tap to v7 * build a changelog * package: fix repository link * pass tests on 0.8 * before_script needs to be before_install * tap 1.2.0 and travis ## v1.0.1 * isc license * updated README.md ## v1.0.0 * Simulate staleness instead of waiting excessively * whitespace * manage 'retries' so it does not clash with 'wait' polling * manage 'wait' timer properly * Get rid of the excessive Object.create opts shadowing stuff * failing test for the time taken for retries + wait options * doc: add pollPeriod, correct opts.wait * Fixed #6: polling period should be configurable ## v0.4.3 * Implement race-resistant stale lock detection * set req id to 1 to start out ## v0.4.2 * stale option fix for windows file tunneling ## v0.4.1 * Fix version parsing ## v0.4.0 * Don't keep lockfiles open ## v0.3.4 * retry more aggressively ## v0.3.3 * Add debugging function ## v0.3.2 * remove console.error ## v0.3.1 * Support lack of subsecond fs precision * Fix error closure overwriting in notStale ## v0.3.0 * Use polling instead of watchers * Add more overhead buffer to contention test ## v0.2.2 * Fix wait calculation * fixup * Style: prefer early return to giant if/else * unlock: Close before unlinking * Don't get tripped up by locks named 'hasOwnProperty' * test: Pathological extreme lock contention * refactor license ## 0.2.1 * Handle race conditions more thoroughly ## 0.2.0 * Rename to 'lockfile' ## 0.0.2 * Add retries * bsd ## 0.0.1 * tests * package.json * the code * first