Windows high performance counter precision fix; crt init/shutdown fix (aws#238)

* Windows high performance counter precision fix; crt init/shutdown fix
* Submodule update

Author: bretambrose

crt/aws-c-cal

@@ -52,7 +52,7 @@ namespace Aws
 
         ApiHandle::ApiHandle() noexcept : m_logger(), m_shutdownBehavior(ApiHandleShutdownBehavior::Blocking)
         {
-            s_initApi(g_allocator);
+            s_initApi(DefaultAllocator());
         }
 
         ApiHandle::~ApiHandle()

crt/aws-c-common

@@ -0,0 +1,39 @@
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+#include <aws/crt/Api.h>
+#include <aws/crt/Types.h>
+#include <aws/testing/aws_test_harness.h>
+
+static int s_TestApiMultiCreateDestroy(struct aws_allocator *allocator, void *)
+{
+    {
+        Aws::Crt::ApiHandle apiHandle(allocator);
+    }
+
+    {
+        Aws::Crt::ApiHandle apiHandle(allocator);
+    }
+
+    return AWS_ERROR_SUCCESS;
+}
+
+AWS_TEST_CASE(ApiMultiCreateDestroy, s_TestApiMultiCreateDestroy)
+
+static int s_TestApiMultiDefaultCreateDestroy(struct aws_allocator *allocator, void *)
+{
+    (void)allocator;
+
+    {
+        Aws::Crt::ApiHandle apiHandle;
+    }
+
+    {
+        Aws::Crt::ApiHandle apiHandle;
+    }
+
+    return AWS_ERROR_SUCCESS;
+}
+
+AWS_TEST_CASE(ApiMultiDefaultCreateDestroy, s_TestApiMultiDefaultCreateDestroy)

source/Api.cpp

@@ -8,6 +8,8 @@ file(GLOB TESTS ${TEST_HDRS} ${TEST_SRC})
 
 set(TEST_BINARY_NAME ${PROJECT_NAME}-tests)
 
+add_test_case(ApiMultiCreateDestroy)
+add_test_case(ApiMultiDefaultCreateDestroy)
 add_test_case(EventLoopResourceSafety)
 add_test_case(ClientBootstrapResourceSafety)
 if (NOT BYO_CRYPTO)