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