From 7c2545cdc28f0eecfff028250a7171dc29fa06e7 Mon Sep 17 00:00:00 2001
From: Henrik Hautakoski <henrik@eossweden.org>
Date: Tue, 28 Apr 2020 10:10:36 +0200
Subject: [PATCH] common/include/eoskeygen/key_search.hpp: adding abort()

---
 common/include/eoskeygen/key_search.hpp | 6 ++++++
 common/src/key_search.cpp               | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/common/include/eoskeygen/key_search.hpp b/common/include/eoskeygen/key_search.hpp
index eb358da..3e3975a 100644
--- a/common/include/eoskeygen/key_search.hpp
+++ b/common/include/eoskeygen/key_search.hpp
@@ -71,6 +71,12 @@ public :
 	void setThreadCount(size_t num);
 #endif /* EOSIOKEYGEN_HAVE_THREADS */
 
+	// Aborts find() operation if started.
+	// This is useful for multithreaded code (like GUI application)
+	// If find() is started as a seperate thread. This method could be called
+	// from the gui thread if the user presses "cancel" button.
+	void abort();
+
 	// Perform a search.
 	void find(size_t num_results);
 
diff --git a/common/src/key_search.cpp b/common/src/key_search.cpp
index 68803a9..506ee84 100644
--- a/common/src/key_search.cpp
+++ b/common/src/key_search.cpp
@@ -83,6 +83,12 @@ void KeySearch::_search_linear()
 	}
 }
 
+void KeySearch::abort()
+{
+	// exit find() operation by setting m_max to zero.
+	m_max = 0;
+}
+
 void KeySearch::find(size_t num_results)
 {
 	m_count = 0;