X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/5dd6771b28c257af405d7248639ed0e3bcdce38b..303e8387acecca26329e939f228f78ca805b7a15:/h/signals.h

diff --git a/h/signals.h b/h/signals.h
index 4ad2b57d..788fa98b 100644
--- a/h/signals.h
+++ b/h/signals.h
@@ -3,30 +3,19 @@
  * signals.h -- header file for nmh signal interface
  */
 
-#include <config.h>
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
 
-/*
- * The type for a signal handler
- */
-typedef RETSIGTYPE (*SIGNAL_HANDLER)(int);
+#include <signal.h>
 
 /*
- * If not a POSIX machine, then we create our
- * own POSIX style signal sets functions. This
- * currently assumes you have 31 signals, which
- * should be true on most pure BSD machines.
+ * The type for a signal handler
  */
-#ifndef POSIX_SIGNALS
-# define sigemptyset(s)    (*(s) = 0)
-# define sigfillset(s)     (*(s) = ~((sigset_t) 0), 0)
-# define sigaddset(s,n)    (*(s) |=  (1 << ((n) - 1)), 0)
-# define sigdelset(s,n)    (*(s) &= ~(1 << ((n) - 1)), 0)
-# define sigismember(s,n)  ((*(s) & (1 << ((n) - 1))) != 0)
-#endif
+typedef void (*SIGNAL_HANDLER)(int);
 
 /*
  * prototypes
  */
-int SIGPROCMASK (int, const sigset_t *, sigset_t *);
 SIGNAL_HANDLER SIGNAL (int, SIGNAL_HANDLER);
 SIGNAL_HANDLER SIGNAL2 (int, SIGNAL_HANDLER);