Replace read lock of DagLocalContext with write lock (as the DagLocalContext dict is not thread safe for reading operations)

Author: alonre24

src/run_info.c

@@ -179,7 +179,8 @@ void RAI_ContextReadLock(RedisAI_RunInfo *rinfo) {
     if (rinfo->single_op_dag || rinfo->single_device_dag) {
         return;
     }
-    pthread_rwlock_rdlock(rinfo->dagLock);
+    // This is a temporary solution
+    pthread_rwlock_wrlock(rinfo->dagLock);
 }
 
 void RAI_ContextWriteLock(RedisAI_RunInfo *rinfo) {

tests/flow/tests_llapi.py

@@ -21,11 +21,11 @@ def wrapper(env, *args, **kwargs):
         try:
             ret = con.execute_command('MODULE', 'LOAD', TEST_MODULE_PATH)
             env.assertEqual(ret, b'OK')
-            return f(env, *args, **kwargs)
         except Exception as e:
             env.assertFalse(True)
             env.debugPrint(str(e), force=True)
             return
+        return f(env, *args, **kwargs)
     return wrapper
 
 
@@ -106,7 +106,7 @@ def test_dag_build_and_run(env):
 
 
 @ensure_test_module_loaded
-def test_llapi_dagrun_multidevice_resnet(env):
+def test_dagrun_multidevice_resnet(env):
     con = env.getConnection()
 
     model_name_0 = 'imagenet_model1:{{1}}'