1{
2global:
3  ClaimSignalChain;
4  UnclaimSignalChain;
5  InvokeUserSignalHandler;
6  InitializeSignalChain;
7  EnsureFrontOfChain;
8  SetSpecialSignalHandlerFn;
9  sigaction;
10  signal;
11  sigprocmask;
12local:
13  *;
14};
15