Added status.h header, containing useful macros for checking

nixl_status_t

Author: dfarge

src/utils/common/status.h

@@ -0,0 +1,42 @@
+/*
+ * SPDX-FileCopyrightText: Copyright (c) 2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef STATUS_H
+#define STATUS_H
+
+#include <iostream>
+#include <absl/log/log.h>
+#include <absl/strings/str_format.h>
+#include "nixl_log.h"
+
+#define NIXL_LOG_AND_RETURN_IF_ERROR(status, message) \
+    do { \
+        if ((status) != NIXL_SUCCESS && (status) != NIXL_IN_PROG) { \
+            NIXL_ERROR << absl::StrFormat("Error: %d - %s", (status), (message)); \
+            return (status); \
+        } \
+    } while (0)
+
+#define NIXL_RETURN_IF_NOT_IN_PROG(status) \
+    do { \
+        if ((status) != NIXL_IN_PROG) { \
+            NIXL_LOG_AND_RETURN_IF_ERROR(status, " Received handle with pre-existing error"); \
+            return (status); \
+        } \
+    } while (0)
+
+#endif /* STATUS_H */