Utilities/interface/UnixSignalHandlers.h

0001 #ifndef FWCore_Utilities_UnixSignalHandlers_h
0002 #define FWCore_Utilities_UnixSignalHandlers_h
0003
0004 /*----------------------------------------------------------------------
0005
0006 UnixSignalHandlers: A set of little utility functions to establish
0007 and manipulate Unix-style signal handling.
0008
0009 ----------------------------------------------------------------------*/
0010
0011 #include <csignal>
0012 #include <atomic>
0013
0014 namespace edm {
0015
0016   extern volatile std::atomic<bool> shutdown_flag;
0017
0018   extern "C" {
0019   void ep_sigusr2(int, siginfo_t*, void*);
0020   typedef void (*CFUNC)(int, siginfo_t*, void*);
0021   }
0022
0023   void disableAllSigs(sigset_t* oldset);
0024   void disableRTSigs();
0025   void enableSignal(sigset_t* newset, int signum);
0026   void disableSignal(sigset_t* newset, int signum);
0027   void reenableSigs(sigset_t* oldset);
0028   void installSig(int signum, CFUNC func);
0029   void installCustomHandler(int signum, CFUNC func);
0030   void sigInventory();
0031
0032 }  // end of namespace edm
0033 #endif