Differences

This shows you the differences between two versions of the page.

--- c:c_threads:transfer_ownership_of_threads_at_runtime [2021/03/05 11:47] – peter
+++ c:c_threads:transfer_ownership_of_threads_at_runtime [2021/06/09 11:07] (current) – peter
@@ Line 1: / Line 1: @@
 ====== C - C++ Threads - Transfer ownership of threads at runtime ======
-std::move can be called to move the ownership of the underlying thread resource from one std::thread object to another.
+**std::move** can be called to move the ownership of the underlying thread resource from one std::thread object to another.
 ----
@@ Line 30: / Line 30: @@
 </code>
+<WRAP info>
 **NOTE:**  The **Continue Main** message is only displayed once the function Func1 finishes.
 This shows that the main() thread is blocked until the t1 thread completes.
+A **join** blocks the thread that called it; in this example the thread that call the t1 thread is the main() thread.
+This may result in the application freezing.
+</WRAP>
 ----
@@ Line 61: / Line 69: @@
 {
   std::thread t1(Func1);
+  // Pass the responsibility of monitoring the t1 thread to t2.
   std::thread t2(Func2, std::move(t1));
   // Do a bunch of other processing without waiting for t1 to finish.
-  // Instead now the responsibility of monitoring the t1 thread is passed to t2.
   std::cout << "Continue Main" << std::endl;
@@ Line 78: / Line 86: @@
 **NOTE:**  Notice that now the **Continue Main** message is displayed even before the thread function finishes.
-A join() blocks the thread that called it, in this example the main() thread.
+Ownership of the t1 thread is passed to a different thread, in this example, t2, allowing the main() thread to not be blocked.
-This may result in the application freezing.
-To overcome this issue, ownership of the thread is passed to a different thread, in this example, t2, allowing the main() thread to not be blocked.
 </WRAP>