From 70b2d8794f3b78c2028dd6e8d00444b178e76893 Mon Sep 17 00:00:00 2001
From: Ryan Ofsky <ryan@ofsky.org>
Date: Wed, 21 Aug 2024 10:19:39 -0400
Subject: [PATCH] example: Add missing thread.join() call so example can exit
 cleanly

Problem was pointed out by TheCharlatan <seb.kung@gmail.com> in
https://github.com/chaincodelabs/libmultiprocess/pull/107#issuecomment-2301338227
---
 example/example.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/example/example.cpp b/example/example.cpp
index 8760d8a9..036dcb53 100644
--- a/example/example.cpp
+++ b/example/example.cpp
@@ -49,8 +49,9 @@ int main(int argc, char** argv)
     auto calc = calc_init->makeCalculator(printer_init->makePrinter());
     while (true) {
         std::string eqn;
-        std::cout << "Enter the equation: ";
+        std::cout << "Enter the equation, or \"exit\" to quit: ";
         std::getline(std::cin, eqn);
+        if (eqn == "exit") break;
         calc->solveEquation(eqn);
     }
     calc.reset();
@@ -58,5 +59,7 @@ int main(int argc, char** argv)
     mp::WaitProcess(calc_pid);
     printer_init.reset();
     mp::WaitProcess(printer_pid);
+    loop_thread.join();
+    std::cout << "Bye!" << std::endl;
     return 0;
 }