Use C++ thread for demo.c

src/demo.c

@@ -156,8 +156,8 @@ void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int
 
     flag_exit = 0;
 
-    pthread_t fetch_thread;
+    custom_thread_t fetch_thread = NULL;
-    pthread_t detect_thread;
+    custom_thread_t detect_thread = NULL;
 
     fetch_in_thread(0);
     det_img = in_img;
@@ -214,8 +214,8 @@ void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int
             int local_nboxes = nboxes;
             detection *local_dets = dets;
 
-            if (!benchmark) if (pthread_create(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
+            if (!benchmark) if (custom_create_thread(&fetch_thread, 0, fetch_in_thread, 0)) error("Thread creation failed");
-            if(pthread_create(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
+            if(custom_create_thread(&detect_thread, 0, detect_in_thread, 0)) error("Thread creation failed");
 
             //if (nms) do_nms_obj(local_dets, local_nboxes, l.classes, nms);    // bad results
             if (nms) {
@@ -285,9 +285,9 @@ void demo(char *cfgfile, char *weightfile, float thresh, float hier_thresh, int
                 printf("\n cvWriteFrame \n");
             }
 
-            pthread_join(detect_thread, 0);
+            custom_join(detect_thread, 0);
             if (!benchmark) {
-                pthread_join(fetch_thread, 0);
+                custom_join(fetch_thread, 0);
                 free_image(det_s);
             }
 

src/http_stream.cpp

@@ -682,6 +682,27 @@ void show_total_time() {
     std::cout << " Total: " << total_time * 1000 << " msec" << std::endl;
 }
 
+
+int custom_create_thread(custom_thread_t * tid, const custom_attr_t * attr, void *(*func) (void *), void *arg)
+{
+    *tid = (custom_thread_t *)new std::thread(func, arg);
+    if (tid) return 0;
+    else return -1;
+}
+
+int custom_join(custom_thread_t thread, void **value_ptr)
+{
+    std::thread *ptr = (std::thread *)thread;
+    if (ptr) {
+        ptr->join();
+        delete ptr;
+        return 0;
+    }
+    else printf(" Error: ptr of thread is NULL in custom_join() \n");
+
+    return -1;
+}
+
 #else // C++11
 #include <iostream>
 

src/http_stream.h

@@ -18,6 +18,12 @@ int send_http_post_request(char *http_post_host, int server_port, const char *vi
 
 #endif  // OPENCV
 
+typedef void* custom_thread_t;
+typedef void* custom_attr_t;
+
+int custom_create_thread(custom_thread_t * tid, const custom_attr_t * attr, void *(*func) (void *), void *arg);
+int custom_join(custom_thread_t thread, void **value_ptr);
+
 #ifdef __cplusplus
 }
 #endif