From d7264418e829aa2f1653459cf86d21c2bf31ee19 Mon Sep 17 00:00:00 2001
From: Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
Date: Tue, 16 Jul 2013 17:57:52 +0200
Subject: [PATCH] native cc110x_ng support

---
 native/drivers/native-uart0.c   | 15 +++++++++++----
 native/include/board_internal.h |  2 +-
 2 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/native/drivers/native-uart0.c b/native/drivers/native-uart0.c
index 3af009eee4df..fc5eed29c3a8 100644
--- a/native/drivers/native-uart0.c
+++ b/native/drivers/native-uart0.c
@@ -27,6 +27,10 @@ void _native_handle_uart0_input()
     char buf[42];
     int nread;
 
+    if (!FD_ISSET(_native_uart_in, &_native_rfds)) {
+        DEBUG("_native_handle_uart0_input - nothing to do\n");
+        return;
+    }
     DEBUG("_native_handle_uart0_input\n");
     _native_in_syscall = 0;
     _native_in_isr = 1;
@@ -44,15 +48,18 @@ void _native_handle_uart0_input()
     cpu_switch_context_exit();
 }
 
+int _native_set_uart_fds(void)
+{
+    DEBUG("_native_set_uart_fds");
+    FD_SET(_native_uart_in, &_native_rfds);
+    return _native_uart_in;
+}
+
 void _native_init_uart0()
 {
     _native_uart_out = STDOUT_FILENO;
     _native_uart_in = STDIN_FILENO;
 
-    /* set fds for select in lpm */
-    FD_ZERO(&_native_uart_rfds);
-    FD_SET(_native_uart_in, &_native_uart_rfds);
-
     puts("RIOT native uart0 initialized.");
 }
 
diff --git a/native/include/board_internal.h b/native/include/board_internal.h
index 752cbcdfb533..368d5287de63 100644
--- a/native/include/board_internal.h
+++ b/native/include/board_internal.h
@@ -1,6 +1,6 @@
 #ifdef MODULE_UART0
 #include <sys/select.h>
-extern fd_set _native_uart_rfds;
 void _native_handle_uart0_input(void);
 void _native_init_uart0(void);
+int _native_set_uart_fds(void);
 #endif