add threaded timeout test

lib/include/srslte/common/timeout.h

@@ -84,7 +84,6 @@ public:
   }
   void thread_func()
   {
-   
     // substract time elapsed until now from timer duration
     gettimeofday(&start_time[2], NULL); 
     get_time_interval(start_time);
@@ -105,6 +104,14 @@ public:
       return false;
     }
   }
+  int32_t get_msec_to_expire() {
+    if (running) {
+      gettimeofday(&start_time[2], NULL);
+      get_time_interval(start_time);
+      return (duration_msec*1000 - start_time[0].tv_usec)/1000;
+    }
+    return 0;
+  }
   bool is_running()
   {
     return running;

lib/test/common/timeout_test.cc

@@ -64,7 +64,43 @@ private:
   pthread_mutex_t   mutex; 
 };
 
-int main(int argc, char **argv) {
+
+int timer_thread_test()
+{
+  bool result;
+  uint32_t id       = 0;
+  uint32_t duration_msec = 5;
+  uint32_t result_tolerance = 1;
+
+  callback c;
+  timeout t;
+
+  gettimeofday(&c.start_time[1], NULL);
+  t.start(duration_msec);
+
+  while (t.is_running() && !t.expired()) {
+    printf("time to expire=%dms\n", t.get_msec_to_expire());
+    usleep(1000);
+  }
+
+  gettimeofday(&c.start_time[2], NULL);
+  get_time_interval(c.start_time);
+  uint32_t diff_ms = c.start_time[0].tv_usec*1e-3;
+  printf("Target duration: %dms, started: %ld:%ld, ended: %ld:%ld, actual duration %dms\n",
+         duration_msec, c.start_time[1].tv_sec, c.start_time[1].tv_usec, c.start_time[2].tv_sec, c.start_time[2].tv_usec, diff_ms);
+
+  result = (duration_msec - result_tolerance <= diff_ms < duration_msec + result_tolerance);
+
+  if(result) {
+    printf("Timer thread test passed\n");
+    return 0;
+  }else{
+    return -1;
+  }
+}
+
+int single_thread_test()
+{
   bool result;
   uint32_t id       = 0;
   uint32_t duration_msec = 5;
@@ -84,10 +120,25 @@ int main(int argc, char **argv) {
   result = (diff_ms == duration_msec);
 
   if(result) {
-    printf("Passed\n");
+    printf("Single thread test passed\n");
-    exit(0);
+    return 0;
   }else{
-    printf("Failed\n;");
+    return -1;
-    exit(1);
   }
 }
+
+
+int main(int argc, char **argv)
+{
+  if (single_thread_test()) {
+    printf("Single thread test failed.\n");
+    return -1;
+  }
+
+  if (timer_thread_test()) {
+    printf("Timer thread test failed.\n");
+    return -1;
+  }
+
+  return 0;
+}