AP_HAL: added a new_semaphore() interface to Util

2015-12-17 08:23:57 +11:00 · 2015-12-17 08:23:57 +11:00 · 9d4b31ca3c
commit 9d4b31ca3c
parent 9fe25f9c71
1 changed files with 3 additions and 0 deletions
--- a/libraries/AP_HAL/Util.h
+++ b/libraries/AP_HAL/Util.h
@ -89,6 +89,9 @@ public:
    virtual void perf_begin(perf_counter_t h) {}
    virtual void perf_end(perf_counter_t h) {}
    virtual void perf_count(perf_counter_t h) {}
+
+    // create a new semaphore
+    virtual Semaphore *new_semaphore(void) { return nullptr; }
    
 protected:
    // we start soft_armed false, so that actuators don't send any