src/hotspot/os/posix/os_posix.cpp

*** 924,933 ****
--- 924,945 ----
    }
    return true;
  #endif
  }
  
+ bool os::Posix::is_sig_ignored(int sig) {
+   struct sigaction oact;
+   sigaction(sig, (struct sigaction*)NULL, &oact);
+   void* ohlr = oact.sa_sigaction ? CAST_FROM_FN_PTR(void*,  oact.sa_sigaction)
+                                  : CAST_FROM_FN_PTR(void*,  oact.sa_handler);
+   if (ohlr == CAST_FROM_FN_PTR(void*, SIG_IGN)) {
+     return true;
+   } else {
+     return false;
+   }
+ }
+ 
  // Returns:
  // NULL for an invalid signal number
  // "SIG<num>" for a valid but unknown signal number
  // signal name otherwise.
  const char* os::exception_name(int sig, char* buf, size_t size) {