src/lib/graph/interrupter.c

   1 /*
   2  * SPDX-License-Identifier: MIT
   3  *
   4  * Copyright (c) 2019 Philippe Proulx <pproulx@efficios.com>
   5  */
   6
   7 #define BT_LOG_TAG "LIB/INTERRUPTER"
   8 #include "lib/logging.h"
   9
  10 #include <stdlib.h>
  11 #include <stdint.h>
  12 #include <babeltrace2/babeltrace.h>
  13
  14 #include "interrupter.h"
  15 #include "lib/assert-cond.h"
  16
  17 static
  18 void destroy_interrupter(struct bt_object *obj)
  19 {
  20         g_free(obj);
  21 }
  22
  23 BT_EXPORT
  24 struct bt_interrupter *bt_interrupter_create(void)
  25 {
  26         struct bt_interrupter *intr = g_new0(struct bt_interrupter, 1);
  27
  28         BT_ASSERT_PRE_NO_ERROR();
  29
  30         if (!intr) {
  31                 BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one interrupter.");
  32                 goto error;
  33         }
  34
  35         bt_object_init_shared(&intr->base, destroy_interrupter);
  36         goto end;
  37
  38 error:
  39         BT_OBJECT_PUT_REF_AND_RESET(intr);
  40
  41 end:
  42         return intr;
  43 }
  44
  45 BT_EXPORT
  46 void bt_interrupter_set(struct bt_interrupter *intr)
  47 {
  48         BT_ASSERT_PRE_INTR_NON_NULL(intr);
  49         intr->is_set = true;
  50 }
  51
  52 BT_EXPORT
  53 void bt_interrupter_reset(struct bt_interrupter *intr)
  54 {
  55         BT_ASSERT_PRE_INTR_NON_NULL(intr);
  56         intr->is_set = false;
  57 }
  58
  59 BT_EXPORT
  60 bt_bool bt_interrupter_is_set(const struct bt_interrupter *intr)
  61 {
  62         BT_ASSERT_PRE_INTR_NON_NULL(intr);
  63         return (bt_bool) intr->is_set;
  64 }
  65
  66 BT_EXPORT
  67 void bt_interrupter_get_ref(const struct bt_interrupter *intr)
  68 {
  69         bt_object_get_ref(intr);
  70 }
  71
  72 BT_EXPORT
  73 void bt_interrupter_put_ref(const struct bt_interrupter *intr)
  74 {
  75         bt_object_put_ref(intr);
  76 }