(child_setup): PRIO_PROCESS renamed to SET_EMACS_PRIORITY.

Don't call nice if emacs_priority is positive.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/callproc.c b/src/callproc.c
index b3f88e56f66..cdf8f1a67c0 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -574,11 +574,12 @@ child_setup (in, out, err, new_argv, set_pgrp, current_dir)
 
   int pid = getpid ();
 
-#ifdef PRIO_PROCESS
+#ifdef SET_EMACS_PRIORITY
   {
     extern int emacs_priority;
 
-    nice (- emacs_priority);
+    if (emacs_priority < 0)
+      nice (- emacs_priority);
   }
 #endif