repo: rxvt-unicode-sixel
action: commit
revision: 
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revision_from: 413ec816232b65a87ac84706600a6f4288abefe3:
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commit 413ec816232b65a87ac84706600a6f4288abefe3
Author: Marc Lehmann 
Date:   Sun Jan 1 05:28:28 2006 +0000

    *** empty log message ***

diff --git a/Changes b/Changes

--- a/Changes
+++ b/Changes
@@ -28,6 +28,7 @@ WISH: just for fun, do shade and tint with XRender.
           on a few architectures). Reported by darix.
         - include one trailing space in rectangular selections to indicate
           the inserted newline (yeah, weird, but visually more pleasing).
+        - try to use sched_yield to improve terminal data transfer efficiency.
         - further minor cleanups.

 6.1  Tue Dec 27 13:23:40 CET 2005
diff --git a/src/command.C b/src/command.C

--- a/src/command.C
+++ b/src/command.C
@@ -56,6 +56,11 @@

 #include 

+#define HAVE_SCHED_YIELD 1 //D//TODO//FIXME
+#if HAVE_SCHED_YIELD
+# include 
+#endif
+
 /*----------------------------------------------------------------------*/

 #define IS_CONTROL(ch) !((ch) & 0xffffff60UL)
@@ -1082,14 +1087,20 @@ rxvt_term::pty_fill ()
   cmdbuf_ptr = cmdbuf_base;
   cmdbuf_endp = cmdbuf_ptr + n;

-  n = read (pty.pty, cmdbuf_endp, CBUFSIZ - n);
+  ssize_t r = read (pty.pty, cmdbuf_endp, CBUFSIZ - n);

-  if (n > 0)
+  if (r > 0)
     {
-      cmdbuf_endp += n;
+      cmdbuf_endp += r;
       return true;
     }
-  else if ((n < 0 && errno != EAGAIN && errno != EINTR) || n == 0)
+  else if (r < 0 && (errno == EAGAIN || errno == EINTR))
+    {
+#if HAVE_SCHED_YIELD
+      sched_yield ();
+#endif
+    }
+  else
     {
       pty_ev.stop ();

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