--- ray/src/rt/persist.c	2004/03/30 16:13:01	2.34
+++ ray/src/rt/persist.c	2008/04/21 07:31:30	2.39
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: persist.c,v 2.34 2004/03/30 16:13:01 schorsch Exp $";
+static const char	RCSid[] = "$Id: persist.c,v 2.39 2008/04/21 07:31:30 schorsch Exp $";
 #endif
 /*
  * Routines for persistent rtrace and rpict processes.
@@ -12,6 +12,10 @@ static const char	RCSid[] = "$Id: persist.c,v 2.34 200
 #include <string.h>
 #include <signal.h>
 #include <sys/stat.h>
+#include <sys/types.h>
+#ifndef NON_POSIX /* XXX need abstraction for process management */
+ #include <sys/wait.h>
+#endif
 
 #include "platform.h"
 #include "rtprocess.h" /* getpid() */
@@ -121,10 +125,10 @@ pfhold(void)		/* holding pattern for idle rendering pr
 	char	buf[512];
 	register int	n;
 				/* close input and output descriptors */
-	close(fileno(stdin));
-	close(fileno(stdout));
+	close(0);
+	close(1);
 	if (errfile == NULL)
-		close(fileno(stderr));
+		close(2);
 				/* create named pipes for input and output */
 	if (mkfifo(mktemp(strcpy(inpname,TEMPLATE)), 0600) < 0)
 		goto createrr;
@@ -335,7 +339,8 @@ io_process(void)		/* just act as go-between for actual
 				} while ((nr -= n) > 0);
 		}
 	}
-	wait(0);		/* wait for feeder process */ /* XXX platform */
+	kill(pid, SIGTERM);	/* no more process to feed, so... */
+	waitpid(pid, 0, 0);	/* wait for feeder process */
 	_exit(status);
 formerr:
 	error(USER, "format error in persist file");