--- ray/src/rt/persist.c	2003/06/30 14:59:12	2.29
+++ ray/src/rt/persist.c	2003/10/20 16:01:55	2.32
@@ -1,5 +1,5 @@
 #ifndef lint
-static const char	RCSid[] = "$Id: persist.c,v 2.29 2003/06/30 14:59:12 schorsch Exp $";
+static const char	RCSid[] = "$Id: persist.c,v 2.32 2003/10/20 16:01:55 greg Exp $";
 #endif
 /*
  * Routines for persistent rtrace and rpict processes.
@@ -12,11 +12,10 @@ static const char	RCSid[] = "$Id: persist.c,v 2.29 200
 #include <string.h>
 #include <signal.h>
 #include <sys/stat.h>
-#ifdef _WIN32
- #include <process.h> /* getpid() */
-#endif
 
+#include "rtprocess.h" /* getpid() */
 #include "standard.h"
+#include "platform.h"
 #include "random.h"
 
 #ifdef F_SETLKW
@@ -27,10 +26,6 @@ static const char	RCSid[] = "$Id: persist.c,v 2.29 200
 #define TIMELIM		(8*3600)	/* time limit for holding pattern */
 #endif
 
-#ifndef freebsd
-#define	mkfifo(fn,md)	mknod(fn, S_IFIFO|(md), 0)
-#endif
-
 extern void	io_process();
 
 extern int	headismine;	/* boolean true if header belongs to me */
@@ -90,6 +85,7 @@ int	lf;
 }
 
 
+void
 persistfile(pfn)	/* open persist file and lock it */
 char	*pfn;
 {
@@ -141,7 +137,7 @@ pfhold()		/* holding pattern for idle rendering proces
 	n = strlen(buf);
 	if (write(persistfd, buf, n) < n)
 		error(SYSTEM, "error writing persist file");
-	lseek(persistfd, (off_t)0L, 0);
+	lseek(persistfd, (off_t)0, SEEK_SET);
 				/* wait TIMELIM for someone to signal us */
 	got_io = 0;
 	signal(SIGIO, sig_io);