Add thread support

main.c

@@ -1,5 +1,6 @@
 #include <bh/queue.h>
 #include <bh/hashmap.h>
+#include <bh/thread.h>
 #include <stdio.h>
 #include <stdint.h>
 
@@ -46,6 +47,46 @@ void foo()
     bh_hashmap_free(hashmap);
 }
 
+int factor(int x)
+{
+    if (x < 2)
+        return 1;
+    
+    return factor(x - 1) + factor(x - 2);
+}
+
+void factor_task(void *arg)
+{
+    printf("Task start\n");
+    fflush(stdout);
+    printf("Factor: %d\n", factor(48));
+    fflush(stdout);
+}
+
+void bar()
+{
+    bh_thread_pool_t *pool;
+    bh_task_t *task;
+    size_t i;
+
+    printf("Pool create\n");
+    fflush(stdout);
+    pool = bh_thread_pool_new(16);
+
+    printf("Prepare\n");
+    fflush(stdout);
+    for (i = 0; i < 32; i++)
+    {
+        printf("Task create\n");
+        fflush(stdout);
+        task = bh_task_new(factor_task, NULL, BH_THREAD_CLEANUP);
+        bh_thread_pool_add(pool, task);
+    }
+
+    bh_thread_pool_wait(pool);
+    bh_thread_pool_free(pool);
+}
+
 int main()
 {
     bh_queue_t *queue;
@@ -54,6 +95,10 @@ int main()
 
     foo();
 
+    printf("Thread?\n");
+    fflush(stdout);
+    bar();
+
     queue = bh_queue_new();
 
     for (j = 0; j < 32; j++)