--- ray/src/px/pcompos.c	1992/08/12 12:39:52	2.11
+++ ray/src/px/pcompos.c	1992/08/13 10:49:04	2.12
@@ -365,14 +365,32 @@ err:
 }
 
 
+#ifdef  NIX
+
+quit(code)
+int  code;
+{
+	exit(code);
+}
+
+#else
+
+#include  <signal.h>
+
 quit(code)		/* exit gracefully */
 int  code;
 {
 	int  status;
 
-	if (code == 0)			/* reap any children */
-		while (wait(&status) != -1)
-			if (code == 0)
-				code = status>>8 & 0xff;
+	if (code) {		/* abnormal exit -- kill children */
+		signal(SIGPIPE, SIG_IGN);
+		kill(0, SIGPIPE);
+	}
+				/* reap any children */
+	while (wait(&status) != -1)
+		if (code == 0)
+			code = status>>8 & 0xff;
 	exit(code);
 }
+
+#endif