commit 6f3b9933bd6d60c62862d384a5f3c448f74d3c41
author Paul Sokolovsky <pfalcon@users.sourceforge.net> Sun Apr 17 18:11:04 2016 +0300
committer Paul Sokolovsky <pfalcon@users.sourceforge.net> Sun Apr 17 18:11:04 2016 +0300
tree 4643e9e0da21c9bf3093f140398bc21a9beffa15
parent dde9abad16dfa2117104b2922fa10784a7ae7ff6

esp8266/esp_mphal: Protect dupterm_task_handler() from recursive exec.

esp8266/esp_mphal.c

diff --git a/esp8266/esp_mphal.c b/esp8266/esp_mphal.c
index 72c3b8b..914097f 100644
--- a/esp8266/esp_mphal.c
+++ b/esp8266/esp_mphal.c
@@ -194,6 +194,11 @@
 }
 
 STATIC void dupterm_task_handler(os_event_t *evt) {
+    static byte lock;
+    if (lock) {
+        return;
+    }
+    lock = 1;
     while (1) {
         int c = call_dupterm_read();
         if (c < 0) {
@@ -202,6 +207,7 @@
         ringbuf_put(&input_buf, c);
     }
     mp_hal_signal_input();
+    lock = 0;
 }
 
 STATIC os_event_t dupterm_evt_queue[4];