| 1 | /* |
| 2 | * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 3 | * |
| 4 | * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com> |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | * of this software and associated documentation files (the "Software"), to deal |
| 8 | * in the Software without restriction, including without limitation the rights |
| 9 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | * copies of the Software, and to permit persons to whom the Software is |
| 11 | * furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | * SOFTWARE. |
| 23 | */ |
| 24 | |
| 25 | #define BT_LOG_TAG "NOTIF" |
| 26 | #include <babeltrace/lib-logging-internal.h> |
| 27 | |
| 28 | #include <babeltrace/graph/private-notification.h> |
| 29 | #include <babeltrace/graph/notification-internal.h> |
| 30 | #include <babeltrace/graph/graph-internal.h> |
| 31 | #include <babeltrace/assert-internal.h> |
| 32 | #include <babeltrace/assert-pre-internal.h> |
| 33 | |
| 34 | BT_ASSERT_PRE_FUNC |
| 35 | static inline void _init_seq_num(struct bt_notification *notification) |
| 36 | { |
| 37 | notification->seq_num = UINT64_C(-1); |
| 38 | } |
| 39 | |
| 40 | #ifdef BT_DEV_MODE |
| 41 | # define init_seq_num _init_seq_num |
| 42 | #else |
| 43 | # define init_seq_num(_notif) |
| 44 | #endif /* BT_DEV_MODE */ |
| 45 | |
| 46 | BT_HIDDEN |
| 47 | void bt_notification_init(struct bt_notification *notification, |
| 48 | enum bt_notification_type type, |
| 49 | bt_object_release_func release, |
| 50 | struct bt_graph *graph) |
| 51 | { |
| 52 | BT_ASSERT(type >= 0 && type < BT_NOTIFICATION_TYPE_NR); |
| 53 | notification->type = type; |
| 54 | init_seq_num(notification); |
| 55 | bt_object_init_shared(¬ification->base, release); |
| 56 | notification->graph = graph; |
| 57 | |
| 58 | if (graph) { |
| 59 | bt_graph_add_notification(graph, notification); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | enum bt_notification_type bt_notification_get_type( |
| 64 | struct bt_notification *notification) |
| 65 | { |
| 66 | BT_ASSERT_PRE_NON_NULL(notification, "Notification"); |
| 67 | return notification->type; |
| 68 | } |
| 69 | |
| 70 | BT_HIDDEN |
| 71 | void bt_notification_unlink_graph(struct bt_notification *notif) |
| 72 | { |
| 73 | BT_ASSERT(notif); |
| 74 | notif->graph = NULL; |
| 75 | } |