sigchainlib/version-script64.txt

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