include/babeltrace2/graph/port-output-const.h

   1 #ifndef BABELTRACE2_GRAPH_PORT_OUTPUT_CONST_H
   2 #define BABELTRACE2_GRAPH_PORT_OUTPUT_CONST_H
   3
   4 /*
   5  * Copyright (c) 2010-2019 EfficiOS Inc. and Linux Foundation
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a copy
   8  * of this software and associated documentation files (the "Software"), to deal
   9  * in the Software without restriction, including without limitation the rights
  10  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11  * copies of the Software, and to permit persons to whom the Software is
  12  * furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  */
  25
  26 #ifndef __BT_IN_BABELTRACE_H
  27 # error "Please include <babeltrace2/babeltrace.h> instead."
  28 #endif
  29
  30 #include <stdint.h>
  31
  32 #include <babeltrace2/types.h>
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 static inline
  39 const bt_port *bt_port_output_as_port_const(const bt_port_output *port_output)
  40 {
  41         return __BT_UPCAST_CONST(bt_port, port_output);
  42 }
  43
  44 extern void bt_port_output_get_ref(const bt_port_output *port_output);
  45
  46 extern void bt_port_output_put_ref(const bt_port_output *port_output);
  47
  48 #define BT_PORT_OUTPUT_PUT_REF_AND_RESET(_var)          \
  49         do {                                            \
  50                 bt_port_output_put_ref(_var);           \
  51                 (_var) = NULL;                          \
  52         } while (0)
  53
  54 #define BT_PORT_OUTPUT_MOVE_REF(_var_dst, _var_src)     \
  55         do {                                            \
  56                 bt_port_output_put_ref(_var_dst);       \
  57                 (_var_dst) = (_var_src);                \
  58                 (_var_src) = NULL;                      \
  59         } while (0)
  60
  61 #ifdef __cplusplus
  62 }
  63 #endif
  64
  65 #endif /* BABELTRACE2_GRAPH_PORT_OUTPUT_CONST_H */