Signed-off-by: 吴文峰 <kevin@lmve.net>

code/firmware-2.7.15.567b8ea/src/concurrency/BinarySemaphorePosix.h

@@ -0,0 +1,30 @@
+#pragma once
+
+#include "../freertosinc.h"
+
+namespace concurrency
+{
+
+#ifndef HAS_FREE_RTOS
+
+class BinarySemaphorePosix
+{
+    // SemaphoreHandle_t semaphore;
+
+  public:
+    BinarySemaphorePosix();
+    ~BinarySemaphorePosix();
+
+    /**
+     * Returns false if we timed out
+     */
+    bool take(uint32_t msec);
+
+    void give();
+
+    void giveFromISR(BaseType_t *pxHigherPriorityTaskWoken);
+};
+
+#endif
+
+} // namespace concurrency