Fix a few include warnings

[babeltrace.git] / include / babeltrace / graph / component-status.h

diff --git a/include/babeltrace/graph/component-status.h b/include/babeltrace/graph/component-status.h
new file mode 100644 (file)
index 0000000..dca7e8a
--- /dev/null
+++ b/include/babeltrace/graph/component-status.h
@@ -0,0 +1,65 @@
+#ifndef BABELTRACE_COMPONENT_COMPONENT_STATUS_H
+#define BABELTRACE_COMPONENT_COMPONENT_STATUS_H
+
+/*
+ * BabelTrace - Babeltrace Component Interface
+ *
+ * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * Status code. Errors are always negative.
+ */
+enum bt_component_status {
+       /** No error, okay. */
+       BT_COMPONENT_STATUS_OK                          = 0,
+       /** No more work to be done by this component. **/
+       BT_COMPONENT_STATUS_END                         = 1,
+       /**
+        * Component can't process a notification at this time
+        * (e.g. would block), try again later.
+        */
+       BT_COMPONENT_STATUS_AGAIN                       = 2,
+       /** Refuse port connection. */
+       BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION      = 3,
+       /** General error. */
+       BT_COMPONENT_STATUS_ERROR                       = -1,
+       /** Unsupported component feature. */
+       BT_COMPONENT_STATUS_UNSUPPORTED                 = -2,
+       /** Invalid arguments. */
+       BT_COMPONENT_STATUS_INVALID                     = -3,
+       /** Memory allocation failure. */
+       BT_COMPONENT_STATUS_NOMEM                       = -4,
+       /** Element not found. */
+       BT_COMPONENT_STATUS_NOT_FOUND                   = -5,
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* BABELTRACE_COMPONENT_COMPONENT_STATUS_H */