From 5a0221964243f460d5f8b86fabceaa57f543f339 Mon Sep 17 00:00:00 2001
From: Peter Barker <pbarker@barker.dropbear.id.au>
Date: Sat, 29 Apr 2017 10:07:05 +1000
Subject: [PATCH] AP_HAL_Linux: use HAL_SEMAPHORE_BLOCK_FOREVER

---
 libraries/AP_HAL_Linux/Semaphores.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AP_HAL_Linux/Semaphores.cpp b/libraries/AP_HAL_Linux/Semaphores.cpp
index 60f7c9195f..4fb6796640 100644
--- a/libraries/AP_HAL_Linux/Semaphores.cpp
+++ b/libraries/AP_HAL_Linux/Semaphores.cpp
@@ -13,7 +13,7 @@ bool Semaphore::give()
 
 bool Semaphore::take(uint32_t timeout_ms)
 {
-    if (timeout_ms == 0) {
+    if (timeout_ms == HAL_SEMAPHORE_BLOCK_FOREVER) {
         return pthread_mutex_lock(&_lock) == 0;
     }
     if (take_nonblocking()) {