--- a/Unix.st	Thu Jan 09 02:10:25 1997 +0100
+++ b/Unix.st	Thu Jan 09 02:15:31 1997 +0100
@@ -381,9 +381,11 @@
 
 /*
  * NeXT has no pid_t
+ * and no sigemptyset
  */
 # ifdef NEXT
    typedef int pid_t;
+#  define sigemptyset(set)      ((*(set) = 0L), 0)
 # endif
 
 /*
@@ -8266,6 +8268,6 @@
 !OperatingSystem class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libbasic/Attic/Unix.st,v 1.185 1997-01-08 23:50:51 cg Exp $'
+    ^ '$Header: /cvs/stx/stx/libbasic/Attic/Unix.st,v 1.186 1997-01-09 01:15:31 cg Exp $'
 ! !
 OperatingSystem initialize!