feat(sdk): optimize sdk

tanzh

2024-09-27 0179a5c4855513427205007d983ec47eba6a13f6

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{
global:
  EnsureFrontOfChain;
  AddSpecialSignalHandlerFn;
  RemoveSpecialSignalHandlerFn;
  bsd_signal;
  sigaction;
  sigaction64;
  signal;
  sigprocmask;
  sigprocmask64;
local:
  *;
};