1 files changed, 20 insertions, 3 deletions
diff --git a/src/fracture.cpp b/src/fracture.cpp
index 77af253..0aad56e 100644
--- a/src/fracture.cpp
+++ b/src/fracture.cpp
@@ -11,7 +11,23 @@
 #include <hooks.hpp>
 #include "measurements.hpp"
 
+#include <csignal>
+#include <cstring>
+#include <atomic>
+
+std::atomic<bool> quit(false);    // signal flag
+
+void got_signal(int) {
+    quit.store(true);
+}
+
 int main(int argc, char* argv[]) {
+  struct sigaction sa;
+  memset( &sa, 0, sizeof(sa) );
+  sa.sa_handler = got_signal;
+  sigfillset(&sa.sa_mask);
+  sigaction(SIGINT, &sa, NULL);
+
   int opt;
 
   unsigned int N = 1;
@@ -36,12 +52,10 @@ int main(int argc, char* argv[]) {
 
   cholmod_common c;
   CHOL_F(start)(&c);
-  c.supernodal = CHOLMOD_SUPERNODAL;
-
 
   graph G(L);
   network base_network(G, &c);
-  ma meas(N, L, beta);
+  ma meas(L, beta);
 
   randutils::auto_seed_128 seeds;
   std::mt19937 rng{seeds};
@@ -50,6 +64,9 @@ int main(int argc, char* argv[]) {
     network tmp_network(base_network);
     tmp_network.set_thresholds(beta, rng);
     tmp_network.fracture(meas);
+
+    if (quit.load())
+      break;
   }
 
   CHOL_F(finish)(&c);