main: move signal handler setting to util.c

main.c

@@ -51,6 +51,7 @@
 #include "nameserv.h"
 #include "smooth.h"
 #include "tempcomp.h"
+#include "util.h"
 
 /* ================================================== */
 
@@ -522,12 +523,7 @@ int main
     post_init_rtc_hook(NULL);
   }
 
-  signal(SIGINT, signal_cleanup);
+  UTI_SetQuitSignalsHandler(signal_cleanup);
-  signal(SIGTERM, signal_cleanup);
-#if !defined(WINNT)
-  signal(SIGQUIT, signal_cleanup);
-  signal(SIGHUP, signal_cleanup);
-#endif /* WINNT */
 
   /* The program normally runs under control of the main loop in
      the scheduler. */

util.c

@@ -839,3 +839,17 @@ UTI_DecodePasswordFromText(char *key)
     return len;
   }
 }
+
+/* ================================================== */
+
+int
+UTI_SetQuitSignalsHandler(void (*handler)(int))
+{
+  signal(SIGINT, handler);
+  signal(SIGTERM, handler);
+#if !defined(WINNT)
+  signal(SIGQUIT, handler);
+  signal(SIGHUP, handler);
+#endif /* WINNT */
+  return 1;
+}

util.h

@@ -127,4 +127,6 @@ extern int UTI_CheckNTPAuth(int hash_id, const unsigned char *key, int key_len,
 /* Decode password encoded in ASCII or HEX */
 extern int UTI_DecodePasswordFromText(char *key);
 
+extern int UTI_SetQuitSignalsHandler(void (*handler)(int));
+
 #endif /* GOT_UTIL_H */