--- ray/src/common/rtprocess.h	2003/07/14 20:02:29	3.3
+++ ray/src/common/rtprocess.h	2003/11/10 16:41:52	3.7
@@ -1,4 +1,4 @@
-/* RCSid $Id: rtprocess.h,v 3.3 2003/07/14 20:02:29 schorsch Exp $ */
+/* RCSid $Id: rtprocess.h,v 3.7 2003/11/10 16:41:52 greg Exp $ */
 /*
  *   rtprocess.h 
  *   Routines to communicate with separate process via dual pipes
@@ -7,22 +7,40 @@
  */
 #ifndef _RAD_PROCESS_H_
 #define _RAD_PROCESS_H_
-#ifdef __cplusplus
-extern "C" {
-#endif
 
 #include  <errno.h>
 #ifdef _WIN32
   #include <windows.h> /* DWORD etc. */
+  #include <stdio.h>
   typedef DWORD pid_t;
   #include <process.h> /* getpid() and others */
+  #define nice(inc) win_nice(inc)
+
+  #ifdef __cplusplus
+  extern "C" {
+  #endif
+  extern FILE *win_popen(char *command, char *type);
+  extern int win_pclose(FILE *p);
+  #ifdef __cplusplus
+  }
+  #endif
+
+  #define popen(cmd,mode) win_popen(cmd,mode)
+  #define pclose(p) win_pclose(p)
 #else
   #include <sys/param.h>
 #endif
 
 #include "paths.h"
 
+#if !defined(BSD) || defined(sparc)
+#define	vfork	fork
+#endif
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /* On Windows, a process ID is a DWORD. That might actually be the
    same thing as an int, but it's better not to assume anything.
 
@@ -30,10 +48,6 @@ extern "C" {
    being the same type, so we have to describe processes with a struct,
    instead of the original int[3]. To keep things simple, we typedef
    the posix pid_t on those systems that don't have it already.
-
-   Some older Windows systems use negative PIDs. Open_process() and
-   close_process() will convert those to positive values during
-   runtime, so that client modules can still use -1 as invalid PID.
 */
 
 
@@ -63,6 +77,11 @@ extern int close_process(SUBPROC *pd);
 extern int process(SUBPROC *pd, char *recvbuf, char *sendbuf, int nbr, int nbs);
 extern int readbuf(int fd, char *bpos, int siz);
 extern int writebuf(int fd, char *bpos, int siz);
+
+#ifdef _WIN32
+/* any non-negative increment will send the process to IDLE_PRIORITY_CLASS. */
+extern int win_nice(int inc);
+#endif
 
 
 #ifdef __cplusplus