From f49fd020e220a8fec18e40b2b68d2d49fec54f1f Mon Sep 17 00:00:00 2001
From: Sjors Provoost <sjors@sprovoost.nl>
Date: Wed, 17 Jul 2024 17:02:38 +0200
Subject: [PATCH] Add event loop with interrupt

---
 src/bitcoin-mine.cpp | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/src/bitcoin-mine.cpp b/src/bitcoin-mine.cpp
index 05d1d004dfcbb5..805c421e702e85 100644
--- a/src/bitcoin-mine.cpp
+++ b/src/bitcoin-mine.cpp
@@ -17,6 +17,11 @@
 #include <tinyformat.h>
 #include <util/translation.h>
 
+#ifndef WIN32
+// #include <cerrno>
+#include <signal.h>
+// #include <sys/stat.h>
+#endif
 static const char* const HELP_USAGE{R"(
 bitcoin-mine is a test program for interacting with bitcoin-node via IPC.
 
@@ -48,6 +53,24 @@ static void AddArgs(ArgsManager& args)
     init::AddLoggingArgs(args);
 }
 
+static bool g_interrupt{false};
+
+#ifndef WIN32
+static void registerSignalHandler(int signal, void(*handler)(int))
+{
+    struct sigaction sa;
+    sa.sa_handler = handler;
+    sigemptyset(&sa.sa_mask);
+    sa.sa_flags = 0;
+    sigaction(signal, &sa, nullptr);
+}
+static void HandleSIGTERM(int)
+{
+    g_interrupt = true;
+}
+
+#endif
+
 MAIN_FUNCTION
 {
     ArgsManager& args = gArgs;
@@ -105,5 +128,14 @@ MAIN_FUNCTION
     std::unique_ptr<interfaces::Mining> mining{node_init->makeMining()};
     assert(mining);
 
+#ifndef WIN32
+    registerSignalHandler(SIGTERM, HandleSIGTERM);
+    registerSignalHandler(SIGINT, HandleSIGTERM);
+#endif
+
+    while(!g_interrupt) {
+        UninterruptibleSleep(100ms);
+    }
+
     return EXIT_SUCCESS;
 }