From: Richard M. Stallman <rms@gnu.org>
Date: Tue, 17 Jun 1997 04:15:18 +0000 (+0000)
Subject: (wait_reading_process_input): Fix previous change.
X-Git-Tag: emacs-20.1~1670
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=1c0707fd109e0cbe41107493bcf8396149da1830;p=emacs.git

(wait_reading_process_input): Fix previous change.
---

diff --git a/src/process.c b/src/process.c
index bebfba77843..06edf7c5e84 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2311,7 +2311,8 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
 	  XSETPROCESS (proc, wait_proc);
 
 	  /* Read data from the process, until we exhaust it.  */
-	  while (nread = read_process_output (proc, XINT (wait_proc->infd)))
+	  while (XINT (wait_proc->infd) >= 0
+		 && nread = read_process_output (proc, XINT (wait_proc->infd)))
 	    total_nread += nread;
 	  if (total_nread > 0 && do_display)
 	    redisplay_preserve_echo_area ();