add function sf_synchronize_counter_notify

src/sf_func.h

@@ -76,6 +76,14 @@ static inline int sf_synchronize_ctx_init(SFSynchronizeContext *sctx)
     return init_pthread_lock_cond_pair(&sctx->lcp);
 }
 
+static inline void sf_synchronize_counter_notify(SFSynchronizeContext *sctx,
+        const int count)
+{
+    if (__sync_sub_and_fetch(&sctx->waiting_count, count) == 0) {
+        pthread_cond_signal(&sctx->lcp.cond);
+    }
+}
+
 static inline void sf_synchronize_counter_wait(SFSynchronizeContext *sctx)
 {
     PTHREAD_MUTEX_LOCK(&sctx->lcp.lock);

src/sf_types.h

@@ -238,7 +238,7 @@ typedef struct sf_cluster_config {
 typedef struct sf_synchronize_context {
     pthread_lock_cond_pair_t lcp;
     union {
-        bool done;
+        bool finished;
         int result;
         volatile int waiting_count;
     };