From: Giuseppe Scrivano <gscrivano@gnu.org>
Date: Wed, 23 Sep 2009 13:25:49 +0000 (+0200)
Subject: Yield to another thread if the subprocess has no data available.
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=f39869e0314e734c37f0b6f2b70396547cbd2f4f;p=emacs.git

Yield to another thread if the subprocess has no data available.
---

diff --git a/src/process.c b/src/process.c
index 99cc3a01697..71055457541 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5047,6 +5047,7 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
 	  if (detect_input_pending ())
 	    break;
 #endif
+	  thread_yield ();
 	}
 
       /* Exit now if the cell we're waiting for became non-nil.  */