syncx: SegmentKeysLock 引入 TryLock 和 TryRLock

[codecov[bot]]

Codecov Report

Merging #230 (112a39c) into dev (e2bf6f7) will decrease coverage by 0.07%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##              dev     #230      +/-   ##
==========================================
- Coverage   95.83%   95.77%   -0.07%     
==========================================
  Files          58       58              
  Lines        3122     3122              
==========================================
- Hits         2992     2990       -2     
  Misses        101      101              
- Partials       29       31       +2     

Files	Coverage Δ
syncx/segment_key_lock.go	100.00% <100.00%> (ø)

... and 2 files with indirect coverage changes

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