X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Fser.c;h=ec3d87b1e9dd9f7090e4dee8b075082f0953ac70;hb=357026e01c5b8305bfca0ab67193f25fbd49e5ee;hp=9d86c23aedc771e890dc40a4775be41266ffcf04;hpb=646cf7e7b754e7a98dfe3fdc3915f7154a716679;p=bertos.git

diff --git a/drv/ser.c b/drv/ser.c
index 9d86c23a..ec3d87b1 100755
--- a/drv/ser.c
+++ b/drv/ser.c
@@ -3,7 +3,7 @@
  * <!--
  * Copyright 2003,2004 Develer S.r.l. (http://www.develer.com/)
  * Copyright 2000 Bernardo Innocenti <bernie@codewiz.org>
- * All Rights Reserved.
+ * This file is part of DevLib - See devlib/README for information.
  * -->
  *
  * \brief Buffered serial I/O driver
@@ -28,6 +28,12 @@
 
 /*
  * $Log$
+ * 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.
+ *
  * Revision 1.3  2004/06/02 21:35:24  aleph
  * Serial enhancements: interruptible receive handler and 8 bit serial status for AVR; remove volatile attribute to FIFOBuffer, useless for new fifobuf routens
  *
@@ -93,7 +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);