如果线程已经执行，则跳过

3 months ago · 9eafc3d2f3
parent 2167afa1d8
commit 9eafc3d2f3
1 changed files with 4 additions and 0 deletions
--- a/app/src/main/cpp/GPIOControl.cpp
+++ b/app/src/main/cpp/GPIOControl.cpp
@ -496,6 +496,10 @@ void GpioControl::PowerControlThreadProc()

 bool GpioControl::Startup()
 {
+    if (m_thread.joinable())
+    {
+        return true;
+    }
    // if (m_thread.)
    m_exitSignal = false;
    m_thread = std::thread(PowerControlThreadProc);