Yield LEVEL_LOCKED error when lock is held
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This allows `level-party` or `rave-level` (its `abstract-level` replacement) to catch this specific error, instead of using a catch-all that swallows other errors.
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vweevers
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| if (strlen(errMsg_) > 15 && strncmp("IO error: lock ", errMsg_, 15) == 0) { // env_posix.cc | ||
| argv = CreateCodeError(env, "LEVEL_LOCKED", errMsg_); | ||
| } else if (strlen(errMsg_) > 19 && strncmp("IO error: LockFile ", errMsg_, 19) == 0) { // env_win.cc | ||
| argv = CreateCodeError(env, "LEVEL_LOCKED", errMsg_); |
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This platform difference will be gone once we upgrade LevelDB - but we'll still have to compare the error message. I don't see a cleaner way atm, short of patching upstream to return a more specific leveldb::Status.
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This allows
rave-level(theabstract-levelreplacement oflevel-party) to catch this specific error, instead of using a catch-all that swallows other errors.