include/babeltrace/graph/component-status.h

   1 #ifndef BABELTRACE_GRAPH_COMPONENT_STATUS_H
   2 #define BABELTRACE_GRAPH_COMPONENT_STATUS_H
   3
   4 /*
   5  * BabelTrace - Babeltrace Component Interface
   6  *
   7  * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   8  *
   9  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
  10  *
  11  * Permission is hereby granted, free of charge, to any person obtaining a copy
  12  * of this software and associated documentation files (the "Software"), to deal
  13  * in the Software without restriction, including without limitation the rights
  14  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  15  * copies of the Software, and to permit persons to whom the Software is
  16  * furnished to do so, subject to the following conditions:
  17  *
  18  * The above copyright notice and this permission notice shall be included in
  19  * all copies or substantial portions of the Software.
  20  *
  21  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  22  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  23  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  24  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  25  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  26  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  27  * SOFTWARE.
  28  */
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 /**
  35  * Status code. Errors are always negative.
  36  */
  37 enum bt_component_status {
  38         /** No error, okay. */
  39         BT_COMPONENT_STATUS_OK                          = 0,
  40         /** No more work to be done by this component. **/
  41         BT_COMPONENT_STATUS_END                         = 1,
  42         /**
  43          * Component can't process a notification at this time
  44          * (e.g. would block), try again later.
  45          */
  46         BT_COMPONENT_STATUS_AGAIN                       = 11,
  47         /** Refuse port connection. */
  48         BT_COMPONENT_STATUS_REFUSE_PORT_CONNECTION      = 111,
  49         /** General error. */
  50         BT_COMPONENT_STATUS_ERROR                       = -1,
  51         /** Unsupported component feature. */
  52         BT_COMPONENT_STATUS_UNSUPPORTED                 = -2,
  53         /** Invalid arguments. */
  54         BT_COMPONENT_STATUS_INVALID                     = -22,
  55         /** Memory allocation failure. */
  56         BT_COMPONENT_STATUS_NOMEM                       = -12,
  57         /** Element not found. */
  58         BT_COMPONENT_STATUS_NOT_FOUND                   = -19,
  59         BT_COMPONENT_STATUS_GRAPH_IS_CANCELED           = 125,
  60 };
  61
  62 #ifdef __cplusplus
  63 }
  64 #endif
  65
  66 #endif /* BABELTRACE_GRAPH_COMPONENT_STATUS_H */