From d934bdc1d8dce7bd355166d8e76fa5e81632d3df Mon Sep 17 00:00:00 2001
From: bernie <bernie@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Sun, 6 Jun 2004 16:41:44 +0000
Subject: [PATCH] ser_putchar(): Use fifo_push_locked() to fix potential race
 on 8bit processors.

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@22 38d2e660-2303-0410-9eaa-f027e97ec537
---
 drv/ser.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drv/ser.c b/drv/ser.c
index 1ec4927c..ec3d87b1 100755
--- a/drv/ser.c
+++ b/drv/ser.c
@@ -28,6 +28,9 @@
 
 /*
  * $Log$
+ * Revision 1.5  2004/06/06 16:41:44  bernie
+ * ser_putchar(): Use fifo_push_locked() to fix potential race on 8bit processors.
+ *
  * Revision 1.4  2004/06/03 11:27:09  bernie
  * Add dual-license information.
  *
@@ -96,7 +99,7 @@ int ser_putchar(int c, struct Serial *port)
 		while (fifo_isfull_locked(&port->txfifo));
 	}
 
-	fifo_push(&port->txfifo, (unsigned char)c);
+	fifo_push_locked(&port->txfifo, (unsigned char)c);
 
 	/* (re)trigger tx interrupt */
 	port->hw->table->enabletxirq(port->hw);
-- 
2.25.1