1 files changed, 10 insertions, 3 deletions

diff --git a/cpp/nissy.cpp b/cpp/nissy.cpp
index 118a072..2faea6f 100644
--- a/cpp/nissy.cpp
+++ b/cpp/nissy.cpp
@@ -20,7 +20,8 @@ extern "C" {
         long long nissy_checkdata(unsigned long long, const unsigned char *);
         long long nissy_solve(const char *, const char *, unsigned, unsigned,
             unsigned, unsigned, unsigned, unsigned, unsigned long long,
-            const unsigned char *, unsigned, char *, long long *);
+            const unsigned char *, unsigned, char *, long long *,
+            int (*)(void *), void *);
         long long nissy_countmoves(const char *);
         long long nissy_setlogger(void (*)(const char *, void *), void *);
 }
@@ -47,6 +48,10 @@ namespace nissy {
         const error error::OPTIONS{-80};
         const error error::UNKNOWN{-999};
 
+        const status status::run{0};
+        const status status::stop{1};
+        const status status::pause{2};
+
         namespace size {
                 constexpr size_t CUBE = 22;
                 constexpr size_t TRANSFORMATION = 12;
@@ -154,7 +159,8 @@ namespace nissy {
         solver::solve_result
         solver::solve(const cube& cube, nissflag niss, unsigned minmoves,
             unsigned maxmoves, unsigned maxsols, unsigned optimal,
-            unsigned threads)
+            unsigned threads, int (*poll_status)(void *),
+            void *poll_status_data)
         {
                 solver::solve_result result;
 
@@ -171,7 +177,8 @@ namespace nissy {
                     name.c_str(), niss.value, minmoves, maxmoves, maxsols,
                     optimal, threads, data.size(),
                     reinterpret_cast<const unsigned char *>(data.data()), len,
-                    csols.data(), result.stats.data());
+                    csols.data(), result.stats.data(), poll_status,
+                    poll_status_data);
                 result.err = error{err};
 
                 if (err < 0)